# Plank King vs Plankstar

The clearest difference is ads: Plank King at none against Plankstar's shown. Plankstar's advantage is review sentiment (29% vs 0%) and iOS requirement (15.0 vs 17.0). On price, update cadence, in-app purchases and monetization model there is nothing between them.

Both are free to download. Plank King sells 3 in-app purchases, starting at $2.99 per month and Plankstar sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Plank King ships an update every 2 months, Plankstar every 3 months. The most recent releases landed on September 21, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Plank King | Plankstar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.5 (2 ratings)](https://appshunter.io/ios/app/plankstar-plank-workout-timer/id1607941164/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 0.0% of reviews | **28.6% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 33 MB | 107 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [源 陈](https://appshunter.io/developer/1217365131) | [Youngwan Choi](https://appshunter.io/developer/468424676) |

## 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 |


### Plankstar

[App page](https://appshunter.io/ios/app/plankstar-plank-workout-timer/id1607941164)

This app helps you track and improve your plank workouts with various timer modes, voice guidance, and detailed statistics. It automatically records your progress and allows you to share achievements. Unlock premium features and remove ads with an in-app purchase.

**Highlights:** Plank timer with goal, max time, and set modes, Voice guidance and sound effects, Automatic workout recording, Workout calendar and statistics, Customizable challenges, Apple Health integration, Social sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $0.99 | per month |
| Annual Premium | $3.99 | per year |
| Lifetime Premium | $19.99 | one-time |


## Frequently asked questions

### Is Plank King free?

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

### Is Plankstar free?

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

### Do Plank King or Plankstar have ads?

Plankstar shows ads; Plank King does not.

### Which is updated more often, Plank King or Plankstar?

Plank King ships an update every 2 months, and Plankstar every 3 months. Most recently, Plank King was updated on September 21, 2026 and Plankstar on September 17, 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.*