# LetterCapsule vs Monki

The clearest difference is in-app purchases: Monki at none against LetterCapsule's 2. Monki also leads on device support (3 vs 1) and iOS requirement (15.1 vs 17.0). On price, update cadence and ads there is nothing between them.

Both are free to download. LetterCapsule sells 2 one-off in-app purchases. Monki asks for nothing beyond the download.

LetterCapsule ships an update every 3 weeks, Monki every 2 weeks. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | LetterCapsule | Monki |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Size | 3 MB | 240 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [FUNDACAO PADRE LEONEL FRANCA](https://appshunter.io/developer/1566582123) | [Osman Erdoan](https://appshunter.io/developer/1674752603) |

## What reviewers say

### LetterCapsule

[App page](https://appshunter.io/ios/app/lettercapsule/id6502299834)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 5 selos | $0.99 | one-time |
| Plano Premium | $1.99 | one-time |


### Monki

[App page](https://appshunter.io/ios/app/monki-habit-tracker/id6754469554)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is LetterCapsule free?

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

### Is Monki free?

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

### Do LetterCapsule or Monki have ads?

Neither LetterCapsule nor Monki shows ads.

### Which is updated more often, LetterCapsule or Monki?

LetterCapsule ships an update every 3 weeks, and Monki every 2 weeks. Most recently, LetterCapsule was updated on October 27, 2026 and Monki on October 25, 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.*