# MindDoom vs Study Kitty

The clearest difference is in-app purchases: MindDoom at none against Study Kitty's 4. Study Kitty's advantage is update cadence (every 2 days vs every 2 weeks) and iOS requirement (13.0 vs 18.5). On price, ads and device support there is nothing between them.

Both are free to download. Study Kitty sells 4 in-app purchases, starting at $3.99 per 7 days. MindDoom asks for nothing beyond the download.

MindDoom ships an update every 2 weeks, Study Kitty every 2 days. The most recent releases landed on June 5, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | MindDoom | Study Kitty |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 2 days** |
| Size | 117 MB | 55 MB |
| Requires iOS | 18.5 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 9+ | 4+ |
| Developer | [Justus Laske](https://appshunter.io/developer/1839776238) | [Jushkinbek Bekniyozov](https://appshunter.io/developer/1872732941) |

## What reviewers say

### MindDoom

[App page](https://appshunter.io/ios/app/minddoom/id6752542846)

**In-app purchases:** none


### Study Kitty

[App page](https://appshunter.io/ios/app/study-kitty-pomodoro-timer/id6758401310)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Study Kitty Pro Weekly | $3.99 | per 7 days |
| Study Kitty Pro Monthly | $4.99 | per month |
| Study Kitty Yearly Special Offer | $12.99 | per year |
| Study Kitty Pro Yearly | $14.99 | per year |


## Frequently asked questions

### Is MindDoom free?

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

### Is Study Kitty free?

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

### Do MindDoom or Study Kitty have ads?

Neither MindDoom nor Study Kitty shows ads.

### Which is updated more often, MindDoom or Study Kitty?

MindDoom ships an update every 2 weeks, and Study Kitty every 2 days. Most recently, MindDoom was updated on June 5, 2026 and Study Kitty on September 18, 2026.

---

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