# CatDo vs Petimer

The clearest difference is in-app purchases: CatDo at none against Petimer's 8. Petimer's advantage is update cadence (every 2 weeks vs every 10 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Petimer sells 8 in-app purchases, starting at $3.99 per month. CatDo asks for nothing beyond the download.

CatDo ships an update every 10 months, Petimer every 2 weeks. Both last shipped on October 30, 2026.

## The numbers

| Metric | CatDo | Petimer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/petimer-pomodoro-study-timer/id6754186714/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 117 MB | 89 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dinu Stefan Rusu](https://appshunter.io/developer/1697162965) | [NIKITA MURZIN](https://appshunter.io/developer/1846994354) |

## What reviewers say

### CatDo

[App page](https://appshunter.io/ios/app/catdo-your-study-buddy/id6751812918)

**Features:** macOS Compatibility

**In-app purchases:** none


### Petimer

[App page](https://appshunter.io/ios/app/petimer-pomodoro-study-timer/id6754186714)

This app uses the Pomodoro technique to help users focus on tasks and build study habits. It gamifies the experience by allowing users to collect virtual pets as rewards for completing focus sessions, making productivity a calm adventure.

**Highlights:** Customizable Pomodoro timer (25/5), Virtual pet collection rewards, Focus statistics and charts, Session history tracking, Stress-free productivity approach, Daily focus habit building

**Features:** macOS Compatibility

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Quiet Hour Pass (1 Month) | $3.99 | per month |
| Quiet Hour Pass (1 Year) | $29.99 | per year |
| 50 Timebits | $0.99 | one-time |
| 230 Timebits | $2.99 | one-time |
| 520 Timebits | $5.99 | one-time |
| 1180 Timebits | $12.99 | one-time |
| 2590 Timebits | $24.99 | one-time |
| 5450 Timebits | $49.99 | one-time |


## Frequently asked questions

### Is CatDo free?

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

### Is Petimer free?

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

### Do CatDo or Petimer have ads?

Neither CatDo nor Petimer shows ads.

### Which is updated more often, CatDo or Petimer?

CatDo ships an update every 10 months, and Petimer every 2 weeks. Most recently, CatDo was updated on October 30, 2026 and Petimer on October 30, 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.*