# Mistake Journal vs Mockup Assistant

The clearest difference is in-app purchases: Mockup Assistant at none against Mistake Journal's 2. Mockup Assistant also leads on ads (none vs shown) and update cadence (every 2 weeks vs every 10 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Mistake Journal sells 2 in-app purchases, starting at $4.99 per month. Mockup Assistant asks for nothing beyond the download.

Mistake Journal ships an update every 10 months, Mockup Assistant every 2 weeks. The most recent releases landed on October 22, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Mistake Journal | Mockup Assistant |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 10 months | **Every 2 weeks** |
| Size | 30 MB | 4 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [kota tada](https://appshunter.io/developer/1658942612) | [龙 陈](https://appshunter.io/developer/1680445870) |

## What reviewers say

### Mistake Journal

[App page](https://appshunter.io/ios/app/mistake-journal-failnote/id6742869468)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-free for 1 month | $4.99 | per month |
| Ad-free for 1 year | $49.99 | per year |


### Mockup Assistant

[App page](https://appshunter.io/ios/app/mockup-assistant/id6748401056)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Mistake Journal free?

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

### Is Mockup Assistant free?

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

### Do Mistake Journal or Mockup Assistant have ads?

Mistake Journal shows ads; Mockup Assistant does not.

### Which is updated more often, Mistake Journal or Mockup Assistant?

Mistake Journal ships an update every 10 months, and Mockup Assistant every 2 weeks. Most recently, Mistake Journal was updated on October 22, 2026 and Mockup Assistant on October 11, 2026.

---

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