# LEXOSYNTHESIS vs Collect Letters!

The clearest difference is update cadence: LEXOSYNTHESIS at every 5 days against Collect Letters!'s every 17 months. Collect Letters!'s advantage is iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. LEXOSYNTHESIS sells 4 one-off in-app purchases and Collect Letters! sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

LEXOSYNTHESIS ships an update every 5 days, Collect Letters! every 17 months. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | LEXOSYNTHESIS | Collect Letters! |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 5 days** | Every 17 months |
| Size | 135 MB | 157 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Iason Koukas](https://appshunter.io/developer/1099086385) | [Rootcraft](https://appshunter.io/developer/1370994577) |

## What reviewers say

### LEXOSYNTHESIS

[App page](https://appshunter.io/ios/app/lexosynthesis/id1101567220)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 900 coins | $0.99 | one-time |
| 4,725 coins | $3.99 | one-time |
| 9,900 coins | $7.99 | one-time |
| 21,600 coins | $16.99 | one-time |


### Collect Letters!

[App page](https://appshunter.io/ios/app/collect-letters/id6462407299)

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3,000 Gems | $1.99 | one-time |
| 1,500 Cards | $1.99 | one-time |
| 1,000,000 Coins | $1.99 | one-time |
| 5,000 Gems | $2.99 | one-time |
| 8,000 Cards | $3.99 | one-time |
| 8,000 Gems | $3.99 | one-time |
| 16,000 Gems | $4.99 | one-time |
| 60,000 Cards | $5.99 | one-time |
| 50,000 Gems | $5.99 | one-time |
| 120,000 Gems | $6.99 | one-time |


## Frequently asked questions

### Is LEXOSYNTHESIS free?

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

### Is Collect Letters! free?

Collect Letters! is free to download, with in-app purchases available.

### Do LEXOSYNTHESIS or Collect Letters! have ads?

Both LEXOSYNTHESIS and Collect Letters! show ads.

### Which is updated more often, LEXOSYNTHESIS or Collect Letters!?

LEXOSYNTHESIS ships an update every 5 days, and Collect Letters! every 17 months. Most recently, LEXOSYNTHESIS was updated on October 24, 2026 and Collect Letters! on October 27, 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.*