# MyBIG3 vs Astrel：ケガ予防×コンディション管理

MyBIG3 and Astrel：ケガ予防×コンディション管理 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. MyBIG3 sells 2 in-app purchases, starting at $0.99 per month and Astrel：ケガ予防×コンディション管理 sells 2 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

MyBIG3 ships an update fortnightly, Astrel：ケガ予防×コンディション管理 every 2 weeks. The most recent releases landed on November 5, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | MyBIG3 | Astrel：ケガ予防×コンディション管理 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 13 MB | 90 MB |
| Requires iOS | **18.0** | 18.5 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Kengo Saito](https://appshunter.io/developer/1422383520) | [Tensho Yashiro](https://appshunter.io/developer/1850230279) |

## What reviewers say

### MyBIG3

[App page](https://appshunter.io/ios/app/mybig3-workout-log-app/id6745771123)

This app helps you track and analyze your progress on the three main powerlifting exercises: bench press, squat, and deadlift. It offers a simple interface for logging workouts, calculating your 1RM, and visualizing your gains with graphs. You can also export workout summaries to share your achievements.

**Highlights:** Dedicated BIG3 training logs, Automatic 1RM calculation, In-depth workout analysis, Visual progress graphs, Exportable workout summaries, Custom keyboard for smooth input

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $0.99 | per month |
| Buy-Once Plan | $2.99 | one-time |


### Astrel：ケガ予防×コンディション管理

[App page](https://appshunter.io/ios/app/astrel/id6755174672)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| トレーニングモードPro(1週間) | $0.99 | per 7 days |
| トレーニングモード(1ヶ月) | $3.99 | per month |


## Frequently asked questions

### Is MyBIG3 free?

MyBIG3 is free to download, with in-app purchases available.

### Is Astrel：ケガ予防×コンディション管理 free?

Astrel：ケガ予防×コンディション管理 is free to download, with in-app purchases available.

### Do MyBIG3 or Astrel：ケガ予防×コンディション管理 have ads?

Both MyBIG3 and Astrel：ケガ予防×コンディション管理 show ads.

### Which is updated more often, MyBIG3 or Astrel：ケガ予防×コンディション管理?

MyBIG3 ships an update fortnightly, and Astrel：ケガ予防×コンディション管理 every 2 weeks. Most recently, MyBIG3 was updated on November 5, 2026 and Astrel：ケガ予防×コンディション管理 on October 30, 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.*