MicMonster: Revenue, sale and how it was built
MicMonster (AI text-to-speech voice-over tool, Not stated in the sources): Sold for six figures on Acquire.com, December 2023. Evidence grade B: confirmed by two or more independent reports. Team: Founder Harinderpreet Singh and a remote group of people; no headcount published. Launched April 2021; sold 32 months after launch.Added 26 October 2026
- Outcome
- Sold for six figures on Acquire.com, December 2023
- Evidence
- B confirmed by two or more independent reports
- Launch
- April 2021
- Status
- Sold, 32 months after launch
- Team
- Founder Harinderpreet Singh and a remote group of people; no headcount published
- Outside funding
- None reported
- Group
- Voice and audio
- Main channel
- Search and AI answers
MicMonster is a text-to-speech (TTS) tool: software that reads written text aloud with a synthetic voice. Its voices are neural voices, voices produced by a neural network trained on recordings of human speakers, which sound much less robotic than older TTS. Customers use the audio as voice-over for YouTube videos, courses and podcasts instead of hiring a voice actor. In June 2023 the company's own home page carried a list of 456 voice entries, each named in the form "Microsoft Server Speech Text to Speech Voice (en-US, ...Neural)", which is how Microsoft names its neural voices. So MicMonster appears to resell Microsoft's speech engine with its own editor and prices, although the page does not say which Microsoft service it calls.
The founder is Harinderpreet Singh. Acquire.com, an online marketplace where people buy and sell small software companies, wrote on 6 December 2023 that he "recently sold the business for six figures on Acquire.com". In its account, he had a background in SEO (search engine optimization, the work of making pages rank in Google) and an affiliate business, built a free TTS tool to collect email addresses, and then found that the sign-ups bought a paid version. That model is called freemium: a free version brings users, a paid version brings revenue. He listed it on several marketplaces, got interest only on Acquire.com, and signed a letter of intent (LOI, a written, mostly non-binding agreement on the main terms of a sale) in less than 10 days.
The price is a range, not a figure: "six figures" means between US$100,000 and US$999,999, so this page uses US$100,000 as a lower bound. The buyer is not named. No revenue figure from before the sale was found. Archived copies of the site from 2021 to 2023 show the product, its prices and its own user counts, and they show that the company sold through JVZoo and later through monthly, quarterly, yearly and lifetime plans.
How much did MicMonster make, and what was it sold for?
Each row shows the evidence grade and the source numbers from the list at the end of this page. The grades are explained in How Aiolum verifies.
| Fact | Value | Grade | How we know | Sources |
|---|---|---|---|---|
| Sale price, December 2023 | six figures | B | Acquire.com blog, 6 December 2023: the founder "recently sold the business for six figures on Acquire.com". The marketplace states the sale in its own words; the exact price and the date of closing are not given. | [1] |
| Lower bound of the sale price | US$100,000 | calc | Calculated: six figures means at least US$100,000 and at most US$999,999. The headline uses the lower bound. | [1] |
| Time from listing to letter of intent | less than 10 days | B | Acquire.com blog. The deal closed "shortly after". Listings on a few other marketplaces got no traction. | [1] |
| Buyer | not named | B | Acquire.com does not name the buyer, and the about, terms and privacy pages read in October 2026 name no owner company. | [1, 11] |
| Revenue before the sale | not found | C | No source read for this story gives revenue, profit or a sale multiple. | [1] |
| First archived sales page, 22 April 2021 | US$57 one-time, shown against a normal price of US$99 | C | Wayback Machine copy of the home page. 41 languages. The buy button links to a JVZoo checkout. | [4] |
| Offer in June 2021 | US$37 one-time, 48 languages | C | Wayback Machine copy of the home page. Voice emotions only for US English, Chinese and Portuguese. | [5] |
| Prices and users, September 2022 | US$19 a quarter, US$60 a year, US$134 lifetime; "10,000+ users" | C | Wayback Machine copy of the pricing page. The quarterly plan renewed at US$37 and the yearly plan at US$120. The user count is the company's own claim. | [8] |
| Prices and users, May 2023 | US$39 a quarter, US$119 a year, US$799 lifetime; "75,000+ users" | C | Wayback Machine copy of the pricing page. With the code 50TODAY the yearly plan was US$59.50 and the lifetime plan US$399.50. 600+ voices in 140 languages. | [9] |
| Voices listed in the home page source, June 2023 | 456 voice entries in 147 language and region codes, all named "Microsoft Server Speech Text to Speech Voice" | C | Counted on this page from the Wayback Machine copy of 3 June 2023. The visible text says only that MicMonster is "powered by most realistic text to speech engine". The current home page does not show this list. | [10] |
| Team | "a group of people that are separated by distance" | C | About page, archived 29 November 2021 and unchanged in October 2026. No headcount is given. Acquire.com names only the founder. | [6, 11] |
| Outside funding | none reported | C | No source mentions investors or a funding round. | [1] |
| Voices and languages, October 2026 | 600+ voices in 140 languages on the home page header; 800+ voices on the pricing page | C | The current pages, under the new owner, give both numbers. | [2, 3] |
| Time from the first archived sales page to the sale report | 32 months | calc | Calculated: April 2021 to December 2023. | [1, 4] |
How to read this table: the grade B rows come from Acquire.com's own blog, the marketplace through which the sale closed. Grade C rows come from the company's own pages, read today or in Wayback Machine copies from 2021 to 2023. A "calc" value was computed on this page. No revenue figure was found.
| Plan | Per month, billed yearly (US$) | Per month, billed monthly (US$) | Limit |
|---|---|---|---|
| Free trial | 0 | 0 | 2,000 characters a month |
| Pro, monthly | 20 (15 with code 25OFF) | 250,000 characters a month, 12,000 characters per clip | |
| Pro Max, quarterly | about 39.67 (119 a quarter; 59.50 a quarter with code) | 3 million characters a month | |
| Pro Max, annual | about 14.92 (179 a year; 89.50 a year with code) | 3 million characters a month | |
| Pro Max, lifetime | 1599 one-time (799.50 with code) | 1 million characters a month |
The page shows list prices and a second, lower price for customers who enter a coupon code: 50TODAY gives 50% off the quarterly, annual and lifetime plans, and 25OFF gives 25% off the monthly plan. Monthly equivalents of the quarterly and annual plans are calculated here. Trial accounts get 2,000 free characters a month. For comparison, the lifetime plan cost US$134 in September 2022 and US$799 in May 2023.
When did MicMonster launch, and how did it grow?
From a US$57 one-time offer in April 2021 to a sale on Acquire.com by December 2023. Each entry carries its grade.
- 22 April 2021CFirst Wayback Machine copy of micmonster.com: a sales page for a one-time purchase at US$57, "Normal Price: $99", 41 languages, paid through JVZoo. [4]
- 20 June 2021CThe one-time price is US$37. 48 languages, voice emotions for three of them. [5]
- 20 August 2021CThe blog publishes a review of Speechelo, a competing TTS product: the kind of review page that people find through Google searches. [7]
- 29 November 2021CThe about page says the founder started it because viewers of his YouTube videos could not understand his English accent, and that the company is "a group of people that are separated by distance". [6]
- 25 September 2022CSubscriptions replace the one-time offer: US$19 a quarter, US$60 a year, or US$134 for life. The page claims "10,000+ users". [8]
- 30 May 2023CThe lifetime plan costs US$799, six times the 2022 price. The page claims "75,000+ users", 600+ voices and 140 languages. [9]
- 3 June 2023CThe home page source carries 456 voice entries named in Microsoft's format. [10]
- By 6 December 2023BSold for six figures on Acquire.com to an unnamed buyer, with a letter of intent in less than 10 days. The founder moves on to a new product called ListenMonster. [1]
- 26 October 2026CThe site is live under the new owner: 800+ voices, Pro at US$20 a month, a lifetime plan at US$1,599 list price, permanent coupon codes for 25% and 50% off. [2, 3]
Why did MicMonster work?
Four causes, in the order they mattered. Each one is a reusable lesson.
A free tool that collected email addresses
Acquire.com wrote that the founder first built a free TTS tool only to grow the email list of his affiliate business. Selling other companies' software to that list did not work. Selling a paid version of the free tool did. The free tier still exists: 2,000 characters a month.
Early in the category, while the voices improved
In Acquire.com's account, MicMonster "was an early player in the text-to-speech space" and the technology kept making the product better. The archived pages show it: 41 languages in April 2021, 140 languages and 600+ voices by May 2023, without the company building a speech model of its own.
Prices that rose with the product
The first archived offer was US$57 once. By September 2022 there were quarterly and yearly plans, and a lifetime plan at US$134. In May 2023 the lifetime plan was US$799. Subscriptions give a buyer recurring revenue, which is what makes a small software business sellable.
Built to sell
Acquire.com wrote that selling was "the plan since day one" and that the founder had browsed the marketplace as a buyer first. He listed on several marketplaces and chose the one where buyers responded.
How it was built
These details come from the company's archived pages from 2021 to 2023, mostly from their page source, and from Acquire.com. The engine provider is inferred from voice names, not stated by the company. [4, 5, 10, 1]
- The website is WordPress with the Elementor page builder, the GeneratePress theme and the Rank Math SEO plugin, as the page source of every archived copy shows.
- The speech engine is not named in the text. The June 2023 home page source lists 456 voices named "Microsoft Server Speech Text to Speech Voice (...Neural)", the naming used by Microsoft's neural voices.
- Checkout in April 2021 went through JVZoo, a digital-product marketplace that also runs affiliate programs.
- The site runs behind Cloudflare and measures visitors with Google Analytics and a Facebook pixel, as the archived page source shows.
- In 2023 an advanced editor, for paying users only, controlled speed, pitch, volume and emphasis, according to the home page.
- The sale was arranged on Acquire.com, the marketplace that reported it.
Tools named in the sources
Each one opens its page in the Tools tab, with every story that uses it.
Who tried this before MicMonster, and why did they fail?
Four companies in the Loot Drop database promised natural computer voices or voice interfaces and lost to the large technology companies that sell the same capability. The values below are from that database and are not independently verified.
Voicery
The promiseNatural-sounding text-to-speech voices sold to developers through an API.
Why it diedLarge technology companies offered cheaper TTS bundled with their clouds, so Voicery could not justify a premium price.
VocalIQ
The promiseVoice interfaces that understand context, for assistants and cars.
Why it diedIt could not compete with the large technology companies and ended inside Apple.
Tellme
The promiseInformation and transactions over the phone by voice command.
Why it diedSmartphone apps and assistants replaced voice menus over the phone.
Petalite
The promiseA privacy-first voice assistant that runs on the device instead of in the cloud.
Why it diedIt could not compete with the subsidized hardware, training data and product range of Amazon and Google.
The failed startups come from Loot Drop, a free database of dead startups, retold here in our own words. Loot Drop describes its entries as AI-assisted summaries of public sources, so these cards carry no evidence grade.
What changed
The four predecessors built voice technology themselves, with millions in funding, and then had to sell it against Amazon, Apple, Google and Microsoft. Their cost was the research; their price had to beat a cloud company's bundle.
MicMonster did the opposite. By 2021 the large cloud companies sold neural voices by the character, so a small team could put an editor, a voice library and simple consumer pricing on top of a voice engine it did not build, and sell to video makers who would never open a cloud console. The voices that killed Voicery's pricing became MicMonster's raw material. The cost of that choice is that the engine, its quality and its price belong to someone else.
Can one person copy MicMonster now?
The model, yes. The timing, no.
A consumer front end for a cloud speech engine, found through a free tool and sold to an email list, is still possible with little money. The 2021 opening is gone: in 2026 many funded companies sell AI voices, and the engine providers sell to consumers themselves.
Where it is still open: Narrow audio jobs where a general voice tool is clumsy: course narration with fixed pronunciation lists, audio versions of documentation, or voice-overs in languages that the large tools serve badly.
- 1Put a free, useful tool in front of an audience you can already reach, and collect email addresses.
- 2Sell the paid version to the people who signed up, with higher limits and a commercial license.
- 3Move from one-time sales to subscriptions before you sell, because buyers pay for recurring revenue.
- 4List the business on more than one marketplace and keep the one where buyers answer.
What could go wrong for MicMonster?
The risks are the mirror image of the causes above.
A price range from one source
The only statement of the sale is Acquire.com's blog of 6 December 2023, which says "six figures": anything from US$100,000 to US$999,999. Acquire.com earns from the deals it reports, and no second source, revenue figure or sale multiple was found. The user counts of 10,000+ in 2022 and 75,000+ in 2023 are the company's own claims.
The buyer is not named
Acquire.com does not name the buyer, and the current about, terms and privacy pages name no owner. Everything on today's site, including its prices and coupon codes, belongs to the new owner, not to the founder.
Dependence on the speech-engine provider
The June 2023 page source lists 456 voices named in Microsoft's format, so the product's quality and costs seem to depend on one engine provider, which sells the same voices directly and can change prices or terms. The company never names its provider, so this rests on the voice names alone.
Two origin stories and a small, unknown team
Acquire.com describes a free tool for email capture; the about page describes a founder whose English accent hurt his YouTube videos. The earliest archive, April 2021, already shows a paid one-time offer. The team size was never published beyond "a group of people that are separated by distance".
Compared with other voice stories on this site
Talknotes, a voice-note app on this site, sold for a stated US$200K in July 2024; MicMonster's sale is reported only as six figures, so the two exits cannot be compared on price.
Sources
The grade next to each source is the best grade that the source can support. "Read in full" means that the text of the page was downloaded and the numbers were checked in it.
- B Acquire.com blog, 6 December 2023: Startup Acquisition Stories with Harinderpreet Singh, Founder of MicMonster (episode 89)Read in full (the written summary; the video was not transcribed). The marketplace's own account of the sale. Source for the six-figure price, the letter of intent, the email-capture origin and ListenMonster.
- C MicMonster pricing page, read 26 October 2026Read in full. Current plans, coupon codes and limits under the new owner.
- C MicMonster home page, read 26 October 2026Read in full. Current product description, voices and languages; no voice-cloning offer seen.
- C Wayback Machine copy of micmonster.com, 22 April 2021Read in full, including the page source. First archived sales page, US$57 one-time, JVZoo checkout, WordPress and Elementor.
- C Wayback Machine copy of micmonster.com, 20 June 2021Read in full. US$37 one-time offer, 48 languages.
- C Wayback Machine copy of the about page, 29 November 2021Read in full. Source for the founder's reason and the remote team.
- C Wayback Machine copy of the blog post Speechelo Honest Review, published 20 August 2021Read the date and the price section. Shows comparison content aimed at search traffic.
- C Wayback Machine copy of the pricing page, 25 September 2022Read in full. 2022 plans and the 10,000+ users claim.
- C Wayback Machine copy of the pricing page, 30 May 2023Read in full. 2023 plans and the 75,000+ users claim.
- C Wayback Machine copy of micmonster.com, 3 June 2023Read in full, including the page source. The 456 voice entries named in Microsoft's format were counted with a script.
- C MicMonster about, terms and privacy pages, read 26 October 2026Read in full. The about text is unchanged since 2021; none of the three pages names an owner company.
- C Loot Drop database export, 1,749 failed startupsLocal export. AI-written summaries, not independently verified. Source for the failed predecessors.