# Sit Up Counter! vs Plankstar

The clearest difference is review sentiment: Sit Up Counter! at 73% against Plankstar's 29%. Sit Up Counter! also leads on rating (4.7 vs 3.5) and in-app purchases (none vs 3). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Plankstar sells 3 in-app purchases, starting at $0.99 per month. Sit Up Counter! asks for nothing beyond the download.

Sit Up Counter! holds the better App Store score, 4.7 against 3.5. That said, the two scores are not equally well evidenced: Sit Up Counter! has 43 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 73% of Sit Up Counter!'s written reviews are positive against 29% of Plankstar's.

Both ship on a similar rhythm, roughly every 3 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Sit Up Counter! | Plankstar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (43 ratings)](https://appshunter.io/ios/app/sit-up-counter-auto-count/id1330485629/reviews)** | [3.5 (2 ratings)](https://appshunter.io/ios/app/plankstar-plank-workout-timer/id1607941164/reviews) |
| Number of ratings | **43** | 2 |
| Positive reviews | **73.1% of reviews** | 28.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 31 MB | 110 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Intersect](https://appshunter.io/developer/641416964) | [Youngwan Choi](https://appshunter.io/developer/468424676) |

## What reviewers say

### Sit Up Counter!

[App page](https://appshunter.io/ios/app/sit-up-counter-auto-count/id1330485629)

This application automatically counts your sit-ups using your iPhone's sensors. It provides notifications, records workout data to Apple Health, and saves your results. Track your progress and stay motivated with this fitness companion.

**Highlights:** Automatic sit-up counting, Workout notifications, Apple Health integration, Save results to photos, View workout history, Active energy calculation

**In-app purchases:** none


### 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 Sit Up Counter! free?

Sit Up Counter! is free to download, with no in-app purchases.

### Is Plankstar free?

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

### Which has better reviews, Sit Up Counter! or Plankstar?

Sit Up Counter! is rated higher. Sit Up Counter! averages 4.7 out of 5 from 43 ratings, while Plankstar averages 3.5 from 2 ratings.

### Do Sit Up Counter! or Plankstar have ads?

Both Sit Up Counter! and Plankstar show ads.

### Which is updated more often, Sit Up Counter! or Plankstar?

Sit Up Counter! ships an update every 3 months, and Plankstar every 3 months. Most recently, Sit Up Counter! was updated on October 24, 2026 and Plankstar on October 24, 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.*