# MuscleLab vs CurlBro

MuscleLab and CurlBro are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

MuscleLab ships an update weekly, CurlBro every 11 days. The most recent releases landed on October 5, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | MuscleLab | CurlBro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/curlbro-workout-tracker/id6762241598/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 11 days |
| Monetization | — | Free |
| Size | 30 MB | 29 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Ilya Valasiuk](https://appshunter.io/developer/1861559036) | [SIMONE LONGO](https://appshunter.io/developer/1893517019) |

## What reviewers say

### MuscleLab

[App page](https://appshunter.io/ios/app/musclelab/id6756586925)

**Features:** macOS Compatibility

**In-app purchases:** none


### CurlBro

[App page](https://appshunter.io/ios/app/curlbro-workout-tracker/id6762241598)

This strength-training app allows users to build, run, and log detailed workout sessions. It features an offline-first design with no account or subscription required, focusing on a clean tool for experienced lifters.

**Highlights:** Drag-to-reorder workout builder, Superset grouping, Built-in workout templates, Per-set logging, Rest timer with Live Activity, Full workout history, Share/import workouts as text

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

**In-app purchases:** none


## Frequently asked questions

### Is MuscleLab free?

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

### Is CurlBro free?

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

### Do MuscleLab or CurlBro have ads?

Neither MuscleLab nor CurlBro shows ads.

### Which is updated more often, MuscleLab or CurlBro?

MuscleLab ships an update weekly, and CurlBro every 11 days. Most recently, MuscleLab was updated on October 5, 2026 and CurlBro on October 16, 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.*