# SIMPLE COPD vs FITKUB

The clearest difference is in-app purchases: SIMPLE COPD at none against FITKUB's 3. SIMPLE COPD also leads on iOS requirement (10.0 vs 15.5). FITKUB's advantage is update cadence (every 3 weeks vs every 3 months) and device support (4 vs 2). On price and ads there is nothing between them.

Both are free to download. FITKUB sells 3 one-off in-app purchases. SIMPLE COPD asks for nothing beyond the download.

SIMPLE COPD ships an update every 3 months, FITKUB every 3 weeks. The most recent releases landed on May 17, 2026 and August 28, 2026 respectively.

## The numbers

| Metric | SIMPLE COPD | FITKUB |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Size | 30 MB | 203 MB |
| Requires iOS | **10.0** | 15.5 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [THE OMELET COMPANY LIMITED](https://appshunter.io/developer/1640663413) | [A & P ENTERPRISE 2020 COMPANY LIMITED](https://appshunter.io/developer/1761016762) |

## What reviewers say

### SIMPLE COPD

[App page](https://appshunter.io/ios/app/simple-copd/id1640663411)

**Features:** macOS Compatibility

**In-app purchases:** none


### FITKUB

[App page](https://appshunter.io/ios/app/fitkub/id6605931004)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100,000 Tokens | $3.99 | one-time |
| 500,000 Tokens | $9.99 | one-time |
| 1,000,000 Tokens | $19.99 | one-time |


## Frequently asked questions

### Is SIMPLE COPD free?

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

### Is FITKUB free?

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

### Do SIMPLE COPD or FITKUB have ads?

Neither SIMPLE COPD nor FITKUB shows ads.

### Which is updated more often, SIMPLE COPD or FITKUB?

SIMPLE COPD ships an update every 3 months, and FITKUB every 3 weeks. Most recently, SIMPLE COPD was updated on May 17, 2026 and FITKUB on August 28, 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.*