# Mu. vs WeekFit

Mu. and WeekFit 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.

Mu. ships an update every 10 days, WeekFit weekly. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Mu. | WeekFit |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (7 ratings)](https://appshunter.io/ios/app/weekfit-workout-tracker/id6772648966/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 days | **Weekly** |
| Monetization | — | Free |
| Size | 34 MB | 227 MB |
| Requires iOS | 18.6 | **18** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, Apple Watch |
| Age rating | 12+ | 4+ |
| Developer | [Liminal Pictures](https://appshunter.io/developer/1895974335) | [CONG FAN](https://appshunter.io/developer/6772648968) |

## What reviewers say

### Mu.

[App page](https://appshunter.io/ios/app/mu/id6766069551)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### WeekFit

[App page](https://appshunter.io/ios/app/weekfit-workout-tracker/id6772648966)

This app helps you train steadily with guided weekly workout plans and easy logging of sets, reps, and weight. It offers AI-generated plans, a large exercise library, and progress tracking without overwhelming features.

**Highlights:** AI workout plan generation, Browse ready-made plans, Build custom weekly splits, Log sets, reps, and weight, Rest timer alerts, Workout history and PR tracking, Apple Watch training support

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases:** none


## Frequently asked questions

### Is Mu. free?

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

### Is WeekFit free?

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

### Do Mu. or WeekFit have ads?

Neither Mu. nor WeekFit shows ads.

### Which is updated more often, Mu. or WeekFit?

Mu. ships an update every 10 days, and WeekFit weekly. Most recently, Mu. was updated on October 28, 2026 and WeekFit on October 31, 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.*