# Plank King vs CatFit Timer

The clearest difference is review sentiment: CatFit Timer at 86% against Plank King's 0%. CatFit Timer also leads on update cadence (every 2 weeks vs every 2 months). Plank King's advantage is monetization model (free with in-app purchases vs paid). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Plank King sells 3 in-app purchases, starting at $2.99 per month and CatFit Timer sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Plank King ships an update every 2 months, CatFit Timer every 2 weeks. The most recent releases landed on September 21, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | Plank King | CatFit Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/catfit-timer/id6751099867/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 0.0% of reviews | **85.7% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 33 MB | 11 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [源 陈](https://appshunter.io/developer/1217365131) | [宇鹏 王](https://appshunter.io/developer/581656608) |

## What reviewers say

### Plank King

[App page](https://appshunter.io/ios/app/plank-king-abs-workout-log/id1551261027)

This app helps you build a consistent core-training habit with a focused plank timer and progressive 30-day plans. Track your progress, view trends, and stay motivated with streaks and achievements. It's designed for everyday use and habit tracking.

**Highlights:** One-tap plank timer, 30-day progressive plans, Workout history and progress trends, Daily habit reminders, Apple Health sync, Streaks, achievements, and leaderboards

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $2.99 | per month |
| Six-Month Subscription | $14.99 | per 6 months |
| Premium Plus Bundle | $24.99 | per year |


### CatFit Timer

[App page](https://appshunter.io/ios/app/catfit-timer/id6751099867)

A straightforward workout timer for daily exercises like planks, stretching, and interval training. Focus on your workout without distractions or complicated setup. Ideal for building consistent movement habits.

**Highlights:** Minimalist design, Instant start, Workout-oriented timer, Gentle support, No setup required

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Support | $0.99 | one-time |
| Buy Me a Coffee | $2.99 | one-time |
| Big Support | $9.99 | one-time |


## Frequently asked questions

### Is Plank King free?

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

### Is CatFit Timer free?

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

### Do Plank King or CatFit Timer have ads?

Neither Plank King nor CatFit Timer shows ads.

### Which is updated more often, Plank King or CatFit Timer?

Plank King ships an update every 2 months, and CatFit Timer every 2 weeks. Most recently, Plank King was updated on September 21, 2026 and CatFit Timer on September 6, 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.*