# AimHarder vs bz55

The clearest difference is update cadence: bz55 at every 9 days against AimHarder's monthly. AimHarder's advantage is iOS requirement (15.0 vs 26.0). 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.

AimHarder ships an update monthly, bz55 every 9 days. The most recent releases landed on October 16, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | AimHarder | bz55 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (575 ratings)](https://appshunter.io/ios/app/aimharder/id994130208/reviews)** | — |
| Number of ratings | **575** | — |
| Positive reviews | 94.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 9 days** |
| Monetization | Free | — |
| Size | 39 MB | 112 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [AIMHARDER GLOBAL S.L.](https://appshunter.io/developer/1231382951) | [BZ 55](https://appshunter.io/developer/1805625422) |

## What reviewers say

### AimHarder

[App page](https://appshunter.io/ios/app/aimharder/id994130208)

Track and analyze your fitness progress with a community of athletes. Log workouts, monitor strength gains, and share results with your gym mates. Features include exercise demos, workout tracking, and body measurement synchronization.

**Highlights:** Log and analyze workouts, Share results with community, Track strength progress (RM), Monitor body evolution, Exercise demonstration videos, Workout progress visualization

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

**In-app purchases:** none

**What reviewers like**

- 👍 Great for tracking WODs
- 👍 Useful for competitive athletes
- 👍 Good for tracking PRs
- 👍 Motivates users
- 👍 Easy to use interface

**What reviewers complain about**

- 🐛 App frequently stops working
- 🐛 Connection errors despite internet
- 🐛 Sharing WOD links not working
- 🐛 Feed shows incorrect workouts
- 🐛 Minor programming mistakes

**Reported bugs**

- App freezes and requires logout/login
- "No internet connection" error when internet is available
- Sharing WOD links do not work
- Feed does not display followed users' workouts
- Posts to Facebook in Spanish despite English settings

**Requested features**

- Add more exercises or allow custom exercises
- Search recorded workouts by date or keyword
- Fix sharing WOD links
- Improve feed accuracy
- Address unit conversion differences (km vs miles, kg vs lbs)


### bz55

[App page](https://appshunter.io/ios/app/bz55/id6744031842)

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

**In-app purchases:** none


## Frequently asked questions

### Is AimHarder free?

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

### Is bz55 free?

bz55 is free to download, with no in-app purchases.

### Do AimHarder or bz55 have ads?

Neither AimHarder nor bz55 shows ads.

### Which is updated more often, AimHarder or bz55?

AimHarder ships an update monthly, and bz55 every 9 days. Most recently, AimHarder was updated on October 16, 2026 and bz55 on October 8, 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.*