# Astra vs TTS Assistant

The clearest difference is in-app purchases: Astra at none against TTS Assistant's 4. Astra also leads on iOS requirement (12.0 vs 15.0). TTS Assistant's advantage is update cadence (every 2 months vs every 28 months). On price, ads and device support there is nothing between them.

Both are free to download. TTS Assistant sells 4 in-app purchases, starting at $2.99 per 7 days. Astra asks for nothing beyond the download.

Astra ships an update every 28 months, TTS Assistant every 2 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Astra | TTS Assistant |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 28 months | **Every 2 months** |
| Size | 69 MB | 31 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Promont Solucoes Ltds](https://appshunter.io/developer/1450762911) | [珮辰 赵](https://appshunter.io/developer/1764134960) |

## What reviewers say

### Astra

[App page](https://appshunter.io/ios/app/astra/id1579549185)

**Features:** macOS Compatibility

**In-app purchases:** none


### TTS Assistant

[App page](https://appshunter.io/ios/app/tts-assistant-text-to-speech/id6741380979)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $2.99 | per 7 days |
| Monthly Subscription | $4.99 | per month |
| Annual Subscription | $19.99 | per year |
| Permanent Member | $29.99 | one-time |


## Frequently asked questions

### Is Astra free?

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

### Is TTS Assistant free?

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

### Do Astra or TTS Assistant have ads?

Neither Astra nor TTS Assistant shows ads.

### Which is updated more often, Astra or TTS Assistant?

Astra ships an update every 28 months, and TTS Assistant every 2 months. Most recently, Astra was updated on November 3, 2026 and TTS Assistant on October 30, 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.*