# Speed Light Express vs TTS Express

The clearest difference is update cadence: TTS Express at every 10 days against Speed Light Express's every 4 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Speed Light Express ships an update every 4 weeks, TTS Express every 10 days. The most recent releases landed on July 18, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Speed Light Express | TTS Express |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 10 days** |
| Size | 32 MB | 83 MB |
| Requires iOS | 12.4 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Le Van Nhieu](https://appshunter.io/developer/1533749735) | [Techlogs Joint Stock Company](https://appshunter.io/developer/1707488830) |

## What reviewers say

### Speed Light Express

[App page](https://appshunter.io/ios/app/speed-light-express/id1575315408)

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

**In-app purchases:** none


### TTS Express

[App page](https://appshunter.io/ios/app/tts-express/id1612281885)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Speed Light Express free?

Speed Light Express is free to download, with no in-app purchases.

### Is TTS Express free?

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

### Do Speed Light Express or TTS Express have ads?

Neither Speed Light Express nor TTS Express shows ads.

### Which is updated more often, Speed Light Express or TTS Express?

Speed Light Express ships an update every 4 weeks, and TTS Express every 10 days. Most recently, Speed Light Express was updated on July 18, 2026 and TTS Express on September 8, 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.*