# Biggr vs TANREN

The clearest difference is in-app purchases: Biggr at none against TANREN's 1. TANREN's advantage is update cadence (every 2 days vs every 4 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. TANREN sells 1 one-off in-app purchase. Biggr asks for nothing beyond the download.

Biggr ships an update every 4 days, TANREN every 2 days. Both last shipped on October 25, 2026.

## The numbers

| Metric | Biggr | TANREN |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | **Every 2 days** |
| Size | 15 MB | 1 MB |
| Requires iOS | 18 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Takanori Hirohashi](https://appshunter.io/developer/1871800337) | [Ryota Kumagawa](https://appshunter.io/developer/1097462228) |

## What reviewers say

### Biggr

[App page](https://appshunter.io/ios/app/biggr-workout-log/id6758259008)

**Features:** macOS Compatibility

**In-app purchases:** none


### TANREN

[App page](https://appshunter.io/ios/app/tanren-simple-workout-log/id6762547801)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plusプラン | $5.99 | one-time |


## Frequently asked questions

### Is Biggr free?

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

### Is TANREN free?

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

### Do Biggr or TANREN have ads?

Neither Biggr nor TANREN shows ads.

### Which is updated more often, Biggr or TANREN?

Biggr ships an update every 4 days, and TANREN every 2 days. Most recently, Biggr was updated on October 25, 2026 and TANREN on October 25, 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.*