# Altitude Correction vs Weight Log

The clearest difference is in-app purchases: Altitude Correction at none against Weight Log's 7. Altitude Correction also leads on iOS requirement (9.3 vs 14.0). On price, ads and device support there is nothing between them.

Both are free to download. Weight Log sells 7 in-app purchases, starting at $2.99 per month. Altitude Correction asks for nothing beyond the download.

## The numbers

| Metric | Altitude Correction | Weight Log |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Weekly |
| Size | 18 MB | 126 MB |
| Requires iOS | **9.3** | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Steger Grafix](https://appshunter.io/developer/376828168) | [迪 王](https://appshunter.io/developer/1598269381) |

## What reviewers say

### Altitude Correction

[App page](https://appshunter.io/ios/app/altitude-correction/id1355616984)

**Features:** macOS Compatibility

**In-app purchases:** none


### Weight Log

[App page](https://appshunter.io/ios/app/weight-log-track-progress/id6758137970)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 包月会员 | $2.99 | per month |
| 年度会员 | $3.99 | per year |
| Monthly Membership | $3.99 | per month |
| 季度会员 | $4.99 | per 3 months |
| Quarterly Membership | $7.99 | per 3 months |
| 年度会员 | $9.99 | per year |
| Annual Membership | $11.99 | per year |


## Frequently asked questions

### Is Altitude Correction free?

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

### Is Weight Log free?

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

### Do Altitude Correction or Weight Log have ads?

Neither Altitude Correction nor Weight Log shows ads.

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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.*