# Weight Logger ∞ vs MarsFit

The clearest difference is in-app purchases: Weight Logger ∞ at none against MarsFit's 4. Weight Logger ∞ also leads on update cadence (monthly vs every 2 months). MarsFit's advantage is iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. MarsFit sells 4 in-app purchases, starting at $10.00 per month. Weight Logger ∞ asks for nothing beyond the download.

Weight Logger ∞ ships an update monthly, MarsFit every 2 months. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Weight Logger ∞ | MarsFit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/weight-logger/id1482515967/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Ad-supported | — |
| Size | 12 MB | 57 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, Apple Watch | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Fawkes Wei](https://appshunter.io/developer/432767536) | [Deploy Inc.](https://appshunter.io/developer/996972011) |

## What reviewers say

### Weight Logger ∞

[App page](https://appshunter.io/ios/app/weight-logger/id1482515967)

Easily record your weight, monitor your progress over time, and work towards achieving your health objectives. This application offers a straightforward way to manage your weight journey.

**Highlights:** Log weight easily, Track progress, Set and reach goals, Simple interface, Free to use

**Features:** Apple Watch app

**In-app purchases:** none


### MarsFit

[App page](https://appshunter.io/ios/app/marsfit/id6458187245)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Regular Subscription | $10.00 | per month |
| Monthly Premium Subscription | $19.00 | per month |
| Annual Regular Subscription | $100.00 | per year |
| Premium Annual subscription | $190.00 | per year |


## Frequently asked questions

### Is Weight Logger ∞ free?

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

### Is MarsFit free?

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

### Do Weight Logger ∞ or MarsFit have ads?

Both Weight Logger ∞ and MarsFit show ads.

### Which is updated more often, Weight Logger ∞ or MarsFit?

Weight Logger ∞ ships an update monthly, and MarsFit every 2 months. Most recently, Weight Logger ∞ was updated on November 7, 2026 and MarsFit on November 3, 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.*