Comparison

aidio vs OfflineTTS

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

aidio

Features
Read full description

With aidio you can easily convert text to speech or transcribe audio using advanced audio AI systems. To do this, aidio provides a simple and powerful interface that connects to your accounts on AI services such as OpenAI, Play.HT and Elevenlabs. Just enter your API keys from your services' profile pages and you're ready to go. - Connect to multiple services and easily switch between them to find the best results and voices for your copy. - Take advantage of each service's growing voice catalogue and quality or speed options. - Use your current plans (free or paid) of your services and save yourself from yet another app subscription. - Transcribe audio from an audio or video file and export the result as plain text, json or a subtitle file. +++ Important: aidio does not offer AI services itself, it lets you connect to 3rd party services +++ To use aidio, you must provide data from your accounts on AI services such as OpenAI, Play.HT and Elevenlabs. You can find the neccessary API keys in your services' profile pages. Links are provided in aidio.

About

OfflineTTS

Features
Read full description

OfflineTTS - Your Ultimate FREE Offline Text-to-Speech Assistant Transform any text into natural, fluent speech completely free, no internet required. Whether you are learning a language, reading long articles, or need accessibility support, FreeOfflineTTS is your perfect companion. --- ## Key Features ### Multi-Language Support Chinese (Mandarin) - 8 premium voices (male and female) American English - 19 natural voice styles British English - 8 authentic UK voices French (Francais) Spanish (Espanol) Italian (Italiano) Portuguese (Portugues) Hindi ### 100% Offline and Private No internet connection needed Zero data usage Your data never leaves your device Complete privacy protection ### Perfect For Audiobooks and Reading - Convert articles, eBooks into audio Language Learning - Practice authentic pronunciation Accessibility - Voice support for visually impaired users Content Creation - Add narration to videos Proofreading - Listen while you edit Creative Projects - Character voices, storytelling ### Powered by Advanced AI Built on Kokoro and Sherpa-onnx open-source engines ONNX Runtime accelerated for optimal performance Natural, human-like voice quality --- ## How It Works 1. Select your target language 2. Choose your preferred voice style 3. Type or paste your text 4. Tap to play and listen instantly --- ## Why Choose OfflineTTS? Totally Free - No subscriptions, no hidden fees Works Offline - No internet connection required Privacy First - Your data stays on your device 8+ Languages - Comprehensive language support 50+ Voices - Huge variety of voice styles --- Download Now and make your text come alive. Let your content be heard!

Screenshots

aidio3 screens
OfflineTTS3 screens

Verdict

The call

The clearest difference is price: OfflineTTS at Free against aidio's $4.99. aidio's advantage is iOS requirement (12.0 vs 15.1). On update cadence, ads, in-app purchases and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

OfflineTTS is free to download; aidio costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

aidio ships an update every 2 days, OfflineTTS every 3 days. The most recent releases landed on October 16, 2026 and October 14, 2026 respectively.

Scorecard2 real differences ยท 4 level
aidio versus OfflineTTS: the parameters behind the verdict, then further details
ParameteraidioOfflineTTS
Price$4.99Free โ€” better
Update frequencyEvery 2 days โ€” betterEvery 3 days
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.0 โ€” better15.1
Further details โ€” not scored
Size32 MB82 MB
Age rating4+4+
DeveloperChristian Mayrๆทฑๅœณๅธ‚ๅŽŸ้ฅดๅˆ›ๆ–ฐ็ง‘ๆŠ€ๆœ‰้™ๅ…ฌๅธ

In-app purchases

None

aidio

No in-app purchases

None

OfflineTTS

No in-app purchases

Questions

Is aidio free?
aidio costs $4.99, with no in-app purchases.
Is OfflineTTS free?
OfflineTTS is free to download, with no in-app purchases.
Do aidio or OfflineTTS have ads?
Neither aidio nor OfflineTTS shows ads.
Which is updated more often, aidio or OfflineTTS?
aidio ships an update every 2 days, and OfflineTTS every 3 days. Most recently, aidio was updated on October 16, 2026 and OfflineTTS on October 14, 2026.

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