# Missnote vs MistakeBook

The clearest difference is iOS requirement: Missnote at 15.0 against MistakeBook's 18.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Missnote sells 4 in-app purchases, starting at $3.99 per month and MistakeBook sells 1 in-app purchase, starting at $0.99 per 6 months. Whichever you choose, the download price is not the number that matters.

Missnote ships an update fortnightly, MistakeBook every 2 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | Missnote | MistakeBook |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 74 MB | 72 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mooncode](https://appshunter.io/developer/1742583074) | [Wei Shuo Wu](https://appshunter.io/developer/527929940) |

## What reviewers say

### Missnote

[App page](https://appshunter.io/ios/app/missnote-mistake-journal/id6755079356)

This app helps students and test-takers transform incorrect answers into learning opportunities. Save missed questions with photos or text, organize them with tags and custom notebooks, and receive AI-powered review suggestions. It facilitates a smarter study routine by prioritizing what needs reviewing.

**Highlights:** Save questions via photo or text, Organize with tags and custom notebooks, AI-powered review suggestions, Spaced repetition review timing, Review reminders, Cross-device syncing, Create and print PDFs

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| pro - 1 month | $3.99 | per month |
| Sync Plus - 1 month | $3.99 | per month |
| pro - 1 year | $32.99 | per year |
| Pro - lifetime | $5.99 | one-time |


### MistakeBook

[App page](https://appshunter.io/ios/app/mistakebook/id6757340127)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MistakeBook訂閱方案 | $0.99 | per 6 months |


## Frequently asked questions

### Is Missnote free?

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

### Is MistakeBook free?

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

### Do Missnote or MistakeBook have ads?

Neither Missnote nor MistakeBook shows ads.

### Which is updated more often, Missnote or MistakeBook?

Missnote ships an update fortnightly, and MistakeBook every 2 weeks. Most recently, Missnote was updated on October 24, 2026 and MistakeBook on October 24, 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.*