mimi vs JunJun
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
mimi
This app transforms any text into natural-sounding speech, making it easier to consume books, articles, and study materials hands-free. It's ideal for multitasking, language learning, or for individuals with reading challenges.
- Text to speech conversion
- Natural-sounding voices
- Adjustable speech speed
- Save text and export audio
- Hands-free listening
- Privacy-focused data handling
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*Struggle with printed text? Read too slowly for study or pleasure? mimi converts any sentence into a lifelike voice, letting books, PDFs, and web articles flow straight into your ears. Start effortless, hands-free learning today! *Listen while you live Commute, childcare, housework—turn every “in-between” moment into time for blogs, novels, language courses, or news articles. No eyes, no hands, just ears. *Perfect for… Learners who can’t carve out long, quiet reading sessions ADHD or visual-fatigue readers who tire quickly Language students using listening & shadowing drills Situations where you can’t speak but need a voice substitute Commuters, parents, multitaskers who love “learn-while-doing” Readers with dyslexia or other reading disabilities *Key Features Paste or type any text and hear it instantly Ultra-natural voices powered by OpenAI TTS API Adjustable speed and multiple speaker styles Intuitive controls: play / pause / skip / repeat Save text and export speech as MP3 for easy sharing *Privacy First mimi collects no personal data. Text is sent to OpenAI only for on-the-fly voice generation and is never stored on any server. Read without reading, speak without speaking—unlock knowledge through your ears with mimi.
JunJun
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Your icon glows rainbow while you study, letting friends know you’re working hard! Share your study time, comments, workouts, walks, chores, music, and more. [Features] ・ Share your studying status with friends ・ Get a push notification when someone you follow starts studying. ・ Follow your friends ・ Post your study time and content ・ View your study time on graphs Terms of Use (EULA): https://junjun.oyajun.com/en/terms-of-service Privacy Policy: https://junjun.oyajun.com/en/privacy-policy
Screenshots
Verdict
The clearest difference is update cadence: JunJun at every 2 days against mimi's every 3 weeks. mimi's advantage is iOS requirement (12.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
mimi ships an update every 3 weeks, JunJun every 2 days. The most recent releases landed on October 8, 2026 and October 14, 2026 respectively.
| Parameter | mimi | JunJun |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| Update frequency | Every 3 weeks | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 96 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | Bouzer LLC | Jun Oyamada |
In-app purchases
mimi
No in-app purchases
JunJun
No in-app purchases









