# Stiff Arm — Knock 'em down

> Grow your character by collecting proteins and knock down opponents to the finish line. (iPhone/iPad app by Kerem Akyuz.)

- Source: https://appshunter.io/ios/app/stiff-arm/id1592343248 (this page in markdown: same URL + `.md`)
- Developer: [Kerem Akyuz](https://appshunter.io/developer/1596726981)
- Category: Games, Action, Sports
- Price: Free
- Rating: 5.00/5 from 1 App Store ratings · 1 written reviews indexed
- Age rating: 9+
- Requires: iOS 10.0 · 131 MB
- Languages: English
- Released: 2021-11-04
- Data updated: 2026-06-10
- Monetization: ad-supported
- User reviews in markdown: https://appshunter.io/ios/app/stiff-arm/id1592343248/reviews.md

## What is Stiff Arm?

Get jacked up and knock 'em down. Collect proteins on the way to get bigger and don't stop until the finish line.

## Key features

- Collect proteins to grow larger
- Knock down opponents
- Race to the finish line
- Simple progression gameplay

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/stiff-arm/id1592343248/reviews.md

### 5/5 — stiff arm makes me stiff

*2022-01-19*

i got an erection when i saw there were no ads in this new york’s best selling mobile game.

## Frequently asked questions about Stiff Arm

### What is the gameplay like in Stiff Arm?

In Stiff Arm, players collect proteins to increase their character's size and then use this to knock down opponents as they progress towards the finish line. It's a straightforward action and growth-focused experience.

### Is Stiff Arm free to play?

Yes, Stiff Arm is free to download and play. It is supported by advertisements, as indicated by its monetization model.

### What devices can I play Stiff Arm on?

Stiff Arm is available on iPhone, iPad, and iPod devices. It is designed for iOS users.

### What is the age rating for Stiff Arm?

Stiff Arm has an age rating of 9+, making it suitable for younger players and families.

### Does Stiff Arm have multiplayer?

The current description does not mention multiplayer functionality. Stiff Arm appears to be a single-player experience focused on individual progression and gameplay.

### How often is Stiff Arm updated?

Stiff Arm was last updated on 2021-11-04 with version 1.0. Further update frequency is not specified in the provided data.

### What do users like about Stiff Arm?

Based on the single rating available, Stiff Arm has received a perfect 5.0 stars, suggesting a highly positive initial user reception for its core gameplay.

### Does Stiff Arm have ads?

Yes, Stiff Arm contains advertisements. This is reflected in its 'ad-supported' monetization model.

## Version history (last 1 release)

### 1.0 — 2021-11-04

No release notes.

## More apps by Kerem Akyuz

- [Fits Good](https://appshunter.io/ios/app/fits-good/id1490865890)
- [Pimp My Wheel](https://appshunter.io/ios/app/pimp-my-wheel/id1494289502)
- [Knock 'em Off!](https://appshunter.io/ios/app/knock-em-off/id1494486268)
- [Shoe Shoot](https://appshunter.io/ios/app/shoe-shoot/id1530921573)
- [Bounce It 3D](https://appshunter.io/ios/app/bounce-it-3d/id1530921584)
- [Build Robots](https://appshunter.io/ios/app/build-robots/id1537809219)

All apps by Kerem Akyuz: https://appshunter.io/developer/1596726981

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*