# FITSMILES vs Amplify+

The clearest difference is ads: FITSMILES at none against Amplify+'s shown. FITSMILES also leads on iOS requirement (13.0 vs 15.1). Amplify+'s advantage is update cadence (every 9 days vs every 5 months). 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.

FITSMILES ships an update every 5 months, Amplify+ every 9 days. The most recent releases landed on September 10, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | FITSMILES | Amplify+ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Every 9 days** |
| Size | 15 MB | 78 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Jonathon O'Connor](https://appshunter.io/developer/1702170838) | [ATHLYN TECHNOLOGIES LIMITED](https://appshunter.io/developer/1855125815) |

## What reviewers say

### FITSMILES

[App page](https://appshunter.io/ios/app/fitsmiles/id6476400076)

**In-app purchases:** none


### Amplify+

[App page](https://appshunter.io/ios/app/amplify-plus/id6755639817)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is FITSMILES free?

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

### Is Amplify+ free?

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

### Do FITSMILES or Amplify+ have ads?

Amplify+ shows ads; FITSMILES does not.

### Which is updated more often, FITSMILES or Amplify+?

FITSMILES ships an update every 5 months, and Amplify+ every 9 days. Most recently, FITSMILES was updated on September 10, 2026 and Amplify+ on September 18, 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.*