# Weight Register Plus vs CALOG

The clearest difference is in-app purchases: CALOG at none against Weight Register Plus's 1. CALOG also leads on update cadence (every 9 days vs every 5 months). Weight Register Plus's advantage is ads (none vs shown) and iOS requirement (8.0 vs 16.4). On price and device support there is nothing between them.

Both are free to download. Weight Register Plus sells 1 one-off in-app purchase. CALOG asks for nothing beyond the download.

Weight Register Plus ships an update every 5 months, CALOG every 9 days. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Weight Register Plus | CALOG |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Every 9 days** |
| Size | 8 MB | 56 MB |
| Requires iOS | **8.0** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Airwire products.](https://appshunter.io/developer/471910489) | [KOKI YAMAMOTO](https://appshunter.io/developer/1849198450) |

## What reviewers say

### Weight Register Plus

[App page](https://appshunter.io/ios/app/weight-register-plus/id1168529776)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Body Fat Percentage + Remove Ads | $0.99 | one-time |


### CALOG

[App page](https://appshunter.io/ios/app/calog-ai/id6754609187)

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

**In-app purchases:** none


## Frequently asked questions

### Is Weight Register Plus free?

Weight Register Plus is free to download, with in-app purchases available.

### Is CALOG free?

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

### Do Weight Register Plus or CALOG have ads?

CALOG shows ads; Weight Register Plus does not.

### Which is updated more often, Weight Register Plus or CALOG?

Weight Register Plus ships an update every 5 months, and CALOG every 9 days. Most recently, Weight Register Plus was updated on October 26, 2026 and CALOG 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.*