# Weight Observer vs Sana

The clearest difference is in-app purchases: Weight Observer at none against Sana's 2. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Sana sells 2 in-app purchases, starting at $4.99 per month. Weight Observer asks for nothing beyond the download.

## The numbers

| Metric | Weight Observer | Sana |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/weight-observer/id6760657962/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 days | — |
| Monetization | Free | — |
| Size | 41 MB | 36 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alexandr Chekunkov](https://appshunter.io/developer/1885554370) | [Ilyas Agadilov](https://appshunter.io/developer/1848746843) |

## What reviewers say

### Weight Observer

[App page](https://appshunter.io/ios/app/weight-observer/id6760657962)

A minimalist tool for tracking body changes with a focus on simplicity, speed, and privacy. It offers a clean interface without mandatory registrations, allowing users to monitor their results efficiently.

**Highlights:** Minimalist weight tracking, Focus on simplicity, Speed and efficiency, Privacy-focused, No mandatory registration

**Features:** macOS Compatibility

**In-app purchases:** none


### Sana

[App page](https://appshunter.io/ios/app/sana/id6761061907)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sana Pro — Ежемесячная | $4.99 | per month |
| Sana Pro — Годовая | $19.99 | per year |


## Frequently asked questions

### Is Weight Observer free?

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

### Is Sana free?

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

### Do Weight Observer or Sana have ads?

Neither Weight Observer nor Sana 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.*