# チャンティ vs Plankstar

The clearest difference is in-app purchases: チャンティ at none against Plankstar's 3. チャンティ also leads on ads (none vs shown) and iOS requirement (11.3 vs 17.0). On price, update cadence 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. チャンティ asks for nothing beyond the download.

チャンティ ships an update every 2 months, Plankstar every 3 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | チャンティ | 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 | — | 28.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | — | Free with in-app purchases |
| Size | 40 MB | 110 MB |
| Requires iOS | **11.3** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Infinite Global Project Pte. Ltd.](https://appshunter.io/developer/1120496518) | [Youngwan Choi](https://appshunter.io/developer/468424676) |

## What reviewers say

### チャンティ

[App page](https://appshunter.io/ios/app/id1452765158)

**Features:** macOS Compatibility

**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 チャンティ free?

チャンティ is free to download, with no in-app purchases.

### Is Plankstar free?

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

### Do チャンティ or Plankstar have ads?

Plankstar shows ads; チャンティ does not.

### Which is updated more often, チャンティ or Plankstar?

チャンティ ships an update every 2 months, and Plankstar every 3 months. Most recently, チャンティ was updated on November 2, 2026 and Plankstar on November 3, 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.*