# Simplefit.on vs Prime App

The clearest difference is ads: Simplefit.on at none against Prime App's shown. Prime App's advantage is update cadence (every 4 weeks vs every 33 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Simplefit.on ships an update every 33 months, Prime App every 4 weeks. The most recent releases landed on October 3, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Simplefit.on | Prime App |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (41 ratings)](https://appshunter.io/ios/app/prime-app/id6502641903/reviews)** |
| Number of ratings | — | **41** |
| Positive reviews | — | 61.7% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 33 months | **Every 4 weeks** |
| Monetization | — | Ad-supported |
| Size | 16 MB | 64 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | +4 |
| Developer | [Diego Alves](https://appshunter.io/developer/1513987046) | [FLUXO PAGO NEGOCIOS DIGITAIS LTDA](https://appshunter.io/developer/1746301190) |

## What reviewers say

### Simplefit.on

[App page](https://appshunter.io/ios/app/simplefiton/id1518339717)

**Features:** macOS Compatibility

**In-app purchases:** none


### Prime App

[App page](https://appshunter.io/ios/app/prime-app/id6502641903)

Access personalized meal and training plans created by health professionals. Track your workouts, log your sets, and view your progress effortlessly. Stay on track with your health and wellness goals with this intuitive and user-friendly application.

**Highlights:** Personalized meal and training plans, Workout tracking with set logging, Real-time plan updates, Professional guidance, Simple and user-friendly navigation

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

**In-app purchases:** none


## Frequently asked questions

### Is Simplefit.on free?

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

### Is Prime App free?

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

### Do Simplefit.on or Prime App have ads?

Prime App shows ads; Simplefit.on does not.

### Which is updated more often, Simplefit.on or Prime App?

Simplefit.on ships an update every 33 months, and Prime App every 4 weeks. Most recently, Simplefit.on was updated on October 3, 2026 and Prime App on October 22, 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.*