# Arm Workout vs Workout for Underweight

The clearest difference is ads: Workout for Underweight at none against Arm Workout's shown. Workout for Underweight also leads on update cadence (monthly vs every 3 months). Arm Workout's advantage is iOS requirement (11.0 vs 16.0). On price, 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.

Arm Workout ships an update every 3 months, Workout for Underweight monthly. The most recent releases landed on September 27, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Arm Workout | Workout for Underweight |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (2.2K ratings)](https://appshunter.io/ios/app/arm-workout/id1357526464/reviews)** | — |
| Number of ratings | **2.2K** | — |
| Positive reviews | 91.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free with in-app purchases | — |
| Size | 42 MB | 66 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Leap Health](https://appshunter.io/developer/1687598595) | [Ngoc Thanh Pham](https://appshunter.io/developer/907794619) |

## What reviewers say

### Arm Workout

[App page](https://appshunter.io/ios/app/arm-workout/id1357526464)

Achieve stronger arms with short, effective workouts designed by fitness professionals. This app offers bodyweight exercises for biceps, triceps, and forearms, suitable for all levels. Get personalized plans, video guides, and daily tips to build muscle and burn fat at home.

**Highlights:** Short and effective arm workouts, Bodyweight exercises, no equipment needed, 3 levels of workout plans, 30-day systematic workout routines, Animation and video demonstrations, Daily diet and health tips, Sync data to Apple Health

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

**In-app purchases:** none

**What reviewers like**

- 💪 Effective workouts
- 🏆 Noticeable results
- 🆓 Free to use
- 🔍 Variety of difficulty levels
- 🌟 Excellent app overall

**What reviewers complain about**

- 🙄 Annoying female voice
- 🤖 Lack of male voice option
- 🔍 Limited exercise selection
- 🔒 Inability to sync with Apple Health

**Reported bugs**

- Occasional app crashes
- Ads that cannot be closed

**Requested features**

- Add more advanced workout options
- Implement music integration
- Improve syncing with health apps
- Provide male voice coach option


### Workout for Underweight

[App page](https://appshunter.io/ios/app/workout-for-underweight/id6746104775)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Arm Workout free?

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

### Is Workout for Underweight free?

Workout for Underweight is free to download, with no in-app purchases.

### Do Arm Workout or Workout for Underweight have ads?

Arm Workout shows ads; Workout for Underweight does not.

### Which is updated more often, Arm Workout or Workout for Underweight?

Arm Workout ships an update every 3 months, and Workout for Underweight monthly. Most recently, Arm Workout was updated on September 27, 2026 and Workout for Underweight on September 20, 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.*