# 复利计算机 vs Starmotion

The clearest difference is in-app purchases: Starmotion at none against 复利计算机's 1. Starmotion also leads on update cadence (monthly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 复利计算机 sells 1 one-off in-app purchase. Starmotion asks for nothing beyond the download.

复利计算机 ships an update every 2 months, Starmotion monthly. The most recent releases landed on October 24, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | 复利计算机 | Starmotion |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Size | 41 MB | 41 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [potato](https://appshunter.io/developer/370828186) | [Step(Hangzhou) Technology Co.,Ltd.](https://appshunter.io/developer/1702843341) |

## What reviewers say

### 复利计算机

[App page](https://appshunter.io/ios/app/id370828183)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Eliminate Advertisement | $0.99 | one-time |


### Starmotion

[App page](https://appshunter.io/ios/app/starmotion/id6462117576)

**In-app purchases:** none


## Frequently asked questions

### Is 复利计算机 free?

复利计算机 is free to download, with in-app purchases available.

### Is Starmotion free?

Starmotion is free to download, with no in-app purchases.

### Do 复利计算机 or Starmotion have ads?

Neither 复利计算机 nor Starmotion shows ads.

### Which is updated more often, 复利计算机 or Starmotion?

复利计算机 ships an update every 2 months, and Starmotion monthly. Most recently, 复利计算机 was updated on October 24, 2026 and Starmotion on October 7, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*