# ATHTRALog vs BuildUP

The clearest difference is in-app purchases: BuildUP at none against ATHTRALog's 6. BuildUP also leads on iOS requirement (13.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. ATHTRALog sells 6 in-app purchases, starting at $3.99 per month. BuildUP asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 5 days. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | ATHTRALog | BuildUP |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 days | Every 5 days |
| Monetization | Free with in-app purchases | — |
| Size | 121 MB | 24 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MASANOBU SHINDOU](https://appshunter.io/developer/1861312872) | [SHUNYA KAMATA](https://appshunter.io/developer/6795182873) |

## What reviewers say

### ATHTRALog

[App page](https://appshunter.io/ios/app/athtralog/id6756546629)

This app quantifies training quality to maximize performance while preventing injuries. It visualizes fatigue with five key metrics and automatically assesses overtraining risk based on daily input. Offers over 23 training programs tailored to individual goals and experience levels.

**Highlights:** Quantify training quality, Visualize fatigue with 5 metrics, Automatic overtraining risk assessment, 23+ tailored training programs, Jump performance tracking, Video-based bar speed measurement

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ミドルプラン | $3.99 | per month |
| ATHTRALog 有料版 | $9.99 | per month |
| プレミアムプラス | $12.99 | per month |
| 柔術 初心者パック | $19.99 | one-time |
| 柔術 中級者パック | $29.99 | one-time |
| 柔術 上級者パック | $49.99 | one-time |


### BuildUP

[App page](https://appshunter.io/ios/app/buildup/id6795182871)

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

**In-app purchases:** none


## Frequently asked questions

### Is ATHTRALog free?

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

### Is BuildUP free?

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

### Do ATHTRALog or BuildUP have ads?

Neither ATHTRALog nor BuildUP shows ads.

### Which is updated more often, ATHTRALog or BuildUP?

ATHTRALog ships an update every 5 days, and BuildUP every 5 days. Most recently, ATHTRALog was updated on October 30, 2026 and BuildUP 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.*