# 毅起练 vs AICalorieEstimator

The clearest difference is update cadence: AICalorieEstimator at every 10 days against 毅起练's every 5 months. AICalorieEstimator also leads on device support. 毅起练's advantage is iOS requirement (12.4 vs 17.0). On price and in-app purchases there is nothing between them.

Both are free to download. 毅起练 sells 5 one-off in-app purchases and AICalorieEstimator sells 1 in-app purchase, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

毅起练 ships an update every 5 months, AICalorieEstimator every 10 days. The most recent releases landed on September 24, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | 毅起练 | AICalorieEstimator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | — | No |
| Update frequency | Every 5 months | **Every 10 days** |
| Size | 71 MB | 29 MB |
| Requires iOS | **12.4** | 17.0 |
| Devices | — | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [毅成 谈](https://appshunter.io/developer/1627990453) | [YiAn Hsueh](https://appshunter.io/developer/1825079989) |

## What reviewers say

### 毅起练

[App page](https://appshunter.io/ios/app/id6476649738)

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1天会员 | $0.99 | one-time |
| 月卡会员 | $4.99 | one-time |
| 终身会员-限时促销 | $12.99 | one-time |
| 年卡会员 | $29.99 | one-time |
| 终身会员 | $59.99 | one-time |


### AICalorieEstimator

[App page](https://appshunter.io/ios/app/aicalorieestimator/id6755294648)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AICaloriePro | $1.99 | per month |


## Frequently asked questions

### Is 毅起练 free?

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

### Is AICalorieEstimator free?

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

### Which is updated more often, 毅起练 or AICalorieEstimator?

毅起练 ships an update every 5 months, and AICalorieEstimator every 10 days. Most recently, 毅起练 was updated on September 24, 2026 and AICalorieEstimator on October 12, 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.*