# Muscleware vs CheckIn Pro

The clearest difference is in-app purchases: Muscleware at none against CheckIn Pro's 2. Muscleware also leads on iOS requirement (13.4 vs 15.5). CheckIn Pro's advantage is update cadence (every 2 days vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. CheckIn Pro sells 2 in-app purchases, starting at $2.99 per month. Muscleware asks for nothing beyond the download.

Muscleware ships an update every 2 months, CheckIn Pro every 2 days. The most recent releases landed on September 21, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Muscleware | CheckIn Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.6 (5 ratings)](https://appshunter.io/ios/app/muscleware/id1528510000/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Free | — |
| Size | 16 MB | 83 MB |
| Requires iOS | **13.4** | 15.5 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Muscleware Inc](https://appshunter.io/developer/1528510002) | [Steve Yu](https://appshunter.io/developer/1891894708) |

## What reviewers say

### Muscleware

[App page](https://appshunter.io/ios/app/muscleware/id1528510000)

Stay informed about IFBB Professional League, NPC, and CPA events with instant updates directly from organizers. Receive timely reminders, schedule changes, and crucial event information.

**Highlights:** Instant event updates, Reminders and timing information, Direct communication from organizers, Supports IFBB, NPC, and CPA events, Free to download and use

**Features:** Vision Pro support

**In-app purchases:** none


### CheckIn Pro

[App page](https://appshunter.io/ios/app/checkin-pro-physique-tracker/id6785522011)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CheckIn Pro Monthly | $2.99 | per month |
| CheckIn Pro Annual Subscription | $24.99 | per year |


## Frequently asked questions

### Is Muscleware free?

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

### Is CheckIn Pro free?

CheckIn Pro is free to download, with in-app purchases available.

### Do Muscleware or CheckIn Pro have ads?

Neither Muscleware nor CheckIn Pro shows ads.

### Which is updated more often, Muscleware or CheckIn Pro?

Muscleware ships an update every 2 months, and CheckIn Pro every 2 days. Most recently, Muscleware was updated on September 21, 2026 and CheckIn Pro on September 19, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*