# Lettrix vs Topingo

The clearest difference is in-app purchases: Topingo at none against Lettrix's 5. Topingo also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Lettrix sells 5 in-app purchases, starting at $4.99 per month. Topingo asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 days. The most recent releases landed on October 9, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Lettrix | Topingo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 days | Every 2 days |
| Size | 13 MB | 2 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, Apple Watch | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [IACOM](https://appshunter.io/developer/1437366024) | [Laurent Davesne](https://appshunter.io/developer/6798336706) |

## What reviewers say

### Lettrix

[App page](https://appshunter.io/ios/app/lettrix/id6756126034)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lettrix+ Mensuel | $4.99 | per month |
| Lettrix+ Annuel | $39.99 | per year |
| 500 pièces | $1.99 | one-time |
| 1200 pièces | $4.99 | one-time |
| 3000 pièces | $9.99 | one-time |


### Topingo

[App page](https://appshunter.io/ios/app/topingo/id6804616759)

**In-app purchases:** none


## Frequently asked questions

### Is Lettrix free?

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

### Is Topingo free?

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

### Do Lettrix or Topingo have ads?

Lettrix shows ads; Topingo does not.

### Which is updated more often, Lettrix or Topingo?

Lettrix ships an update every 2 days, and Topingo every 2 days. Most recently, Lettrix was updated on October 9, 2026 and Topingo on October 5, 2026.

---

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