# Plank Challenge vs Plankstar

The clearest difference is rating: Plank Challenge at 4.7 against Plankstar's 3.5. Plank Challenge also leads on review sentiment (68% vs 29%) and ratings volume (471 vs 2). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Plank Challenge sells 1 one-off in-app purchase 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 Challenge holds the better App Store score, 4.7 against 3.5. That said, the two scores are not equally well evidenced: Plank Challenge has 471 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 68% of Plank Challenge's written reviews are positive against 29% of Plankstar's.

Plank Challenge ships an update every 3 weeks, Plankstar every 3 months. The most recent releases landed on October 18, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Plank Challenge | Plankstar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (471 ratings)](https://appshunter.io/ios/app/plank-challenge-core-workout/id1083360252/reviews)** | [3.5 (2 ratings)](https://appshunter.io/ios/app/plankstar-plank-workout-timer/id1607941164/reviews) |
| Number of ratings | **471** | 2 |
| Positive reviews | **67.6% of reviews** | 28.6% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 17 MB | 107 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bo Kalvslund](https://appshunter.io/developer/572272193) | [Youngwan Choi](https://appshunter.io/developer/468424676) |

## What reviewers say

### Plank Challenge

[App page](https://appshunter.io/ios/app/plank-challenge-core-workout/id1083360252)

This app guides you through a 5-week program to build up to a 4-minute plank. It requires no equipment and can be done in just 4 minutes daily, with rest days incorporated for recovery. It also includes a bonus push-up progression.

**Highlights:** 5-week structured plank program, Progressive push-up training, Daily workout instructions, Progress tracking, Apple Music integration, Distraction-free interface

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plank Challenge Pro | $0.99 | one-time |

**What reviewers like**

- 👍 Simple and effective
- 💪 Great for plank challenges
- 🎯 Helps build stamina
- ✅ Good for beginners
- ✨ Straightforward design

**What reviewers complain about**

- 🔇 Music pauses during sets
- 🎵 Lack of in-app music/motivation
- ❓ No clear guidance on plank types
- 🎛️ No timer customization
- 👎 Push-up part lacks challenge

**Reported bugs**

- App crashes after iOS 13 update
- No times displayed after iOS 13 update
- Audio mutes automatically between active and rest
- App not running after iOS 13 update

**Requested features**

- Allow self-designed workouts
- Integrate reminders
- Add in-app music or motivational sounds
- Provide explanation on different plank types
- Include countdowns and motivational cues


### 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 Challenge free?

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

### Is Plankstar free?

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

### Which has better reviews, Plank Challenge or Plankstar?

Plank Challenge is rated higher. Plank Challenge averages 4.7 out of 5 from 471 ratings, while Plankstar averages 3.5 from 2 ratings.

### Do Plank Challenge or Plankstar have ads?

Both Plank Challenge and Plankstar show ads.

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

Plank Challenge ships an update every 3 weeks, and Plankstar every 3 months. Most recently, Plank Challenge was updated on October 18, 2026 and Plankstar on October 4, 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.*