# Local TTS vs OpenCalorie

The clearest difference is in-app purchases: OpenCalorie at none against Local TTS's 2. Local TTS's advantage is iOS requirement (18.6 vs 26.5). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Local TTS sells 2 in-app purchases, starting at $4.99 per month. OpenCalorie asks for nothing beyond the download.

Local TTS ships an update weekly, OpenCalorie every 4 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Local TTS | OpenCalorie |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (10 ratings)](https://appshunter.io/ios/app/local-tts-ai-voice-reader/id6779664222/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Every 4 days** |
| Monetization | Freemium | — |
| Size | 529 MB | 20 MB |
| Requires iOS | **18.6** | 26.5 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Rich Soft Co., Ltd](https://appshunter.io/developer/1499019813) | [Slawomir Job](https://appshunter.io/developer/6781028541) |

## What reviewers say

### Local TTS

[App page](https://appshunter.io/ios/app/local-tts-ai-voice-reader/id6779664222)

This app converts text into lifelike speech using on-device processing. It supports various file formats, including PDFs and Word documents, and allows scanning printed pages. Enjoy offline playback with customizable voices and background audio controls.

**Highlights:** 100% offline text-to-speech, Import PDF, EPUB, Word, TXT, Markdown, Scan printed pages with camera (OCR), Background playback with lock screen controls, iCloud sync across devices, Adjustable playback speed, Word-by-word highlighting

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Local TTS Pro Monthly | $4.99 | per month |
| Local TTS Pro Lifetime | $19.99 | one-time |


### OpenCalorie

[App page](https://appshunter.io/ios/app/opencalorie/id6782002595)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Local TTS free?

Local TTS is free to download, with in-app purchases available.

### Is OpenCalorie free?

OpenCalorie is free to download, with no in-app purchases.

### Do Local TTS or OpenCalorie have ads?

Neither Local TTS nor OpenCalorie shows ads.

### Which is updated more often, Local TTS or OpenCalorie?

Local TTS ships an update weekly, and OpenCalorie every 4 days. Most recently, Local TTS was updated on November 5, 2026 and OpenCalorie on October 31, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*