# Fitlog vs Constant Scale

The clearest difference is update cadence: Constant Scale at every 4 weeks against Fitlog's every 2 months. Constant Scale also leads on iOS requirement (11.0 vs 15.5). 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.

Fitlog ships an update every 2 months, Constant Scale every 4 weeks. The most recent releases landed on September 14, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Fitlog | Constant Scale |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.5 (37 ratings)](https://appshunter.io/ios/app/fitlog-coaching-system/id1201532816/reviews)** | — |
| Number of ratings | **37** | — |
| Positive reviews | 34.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 weeks** |
| Monetization | Free | — |
| Size | 97 MB | 150 MB |
| Requires iOS | 15.5 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 9+ | 4+ |
| Developer | [khaled chikhaoui](https://appshunter.io/developer/1356414170) | [Yiwu Chaolan Import & Export Co., Ltd.](https://appshunter.io/developer/1788815884) |

## What reviewers say

### Fitlog

[App page](https://appshunter.io/ios/app/fitlog-coaching-system/id1201532816)

This platform empowers fitness coaches and trainers with comprehensive tools to manage their clients and training programs. It offers a robust system designed to streamline operations and enhance client engagement.

**Highlights:** Client management, Training program creation, Progress tracking, Performance analysis, Communication tools

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

**In-app purchases:** none


### Constant Scale

[App page](https://appshunter.io/ios/app/constant-scale/id6740186656)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Fitlog free?

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

### Is Constant Scale free?

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

### Do Fitlog or Constant Scale have ads?

Neither Fitlog nor Constant Scale shows ads.

### Which is updated more often, Fitlog or Constant Scale?

Fitlog ships an update every 2 months, and Constant Scale every 4 weeks. Most recently, Fitlog was updated on September 14, 2026 and Constant Scale on September 10, 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.*