# IBS Mentor vs Weight Observer

The clearest difference is update cadence: Weight Observer at every 3 days against IBS Mentor's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

IBS Mentor ships an update every 3 weeks, Weight Observer every 3 days. The most recent releases landed on September 30, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | IBS Mentor | Weight Observer |
| --- | --- | --- |
| 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 | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | — | Free |
| Size | 56 MB | 41 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Medical Apps OOO](https://appshunter.io/developer/989951843) | [Alexandr Chekunkov](https://appshunter.io/developer/1885554370) |

## What reviewers say

### IBS Mentor

[App page](https://appshunter.io/ios/app/ibs-mentor/id6742329112)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is IBS Mentor free?

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

### Is Weight Observer free?

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

### Do IBS Mentor or Weight Observer have ads?

Neither IBS Mentor nor Weight Observer shows ads.

### Which is updated more often, IBS Mentor or Weight Observer?

IBS Mentor ships an update every 3 weeks, and Weight Observer every 3 days. Most recently, IBS Mentor was updated on September 30, 2026 and Weight Observer on October 2, 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.*