# Simpla vs FKN AI

The clearest difference is in-app purchases: Simpla at none against FKN AI's 3. Simpla also leads on device support (3 vs 1) and iOS requirement (14.0 vs 16.0). FKN AI's advantage is review sentiment (69% vs 44%) and ratings volume (86 vs 18). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. FKN AI sells 3 in-app purchases, starting at $12.99 per month. Simpla asks for nothing beyond the download.

Simpla holds the better App Store score, 4.9 against 4.7. Both are backed by a comparable volume of ratings — 18 and 86 respectively. Written reviews complicate that: 44% of Simpla's written reviews are positive against 69% of FKN AI's, so the app with the better star average is not the one people write more warmly about.

Simpla ships an update every 2 months, FKN AI every 5 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | Simpla | FKN AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (18 ratings)](https://appshunter.io/ios/app/simpla/id1475923666/reviews)** | [4.7 (86 ratings)](https://appshunter.io/ios/app/fkn-ai/id1634415981/reviews) |
| Number of ratings | 18 | **86** |
| Positive reviews | 43.7% of reviews | **69.4% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 81 MB | 434 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [Andrey Zhuravlev](https://appshunter.io/developer/1436977366) | [OOO MIDO](https://appshunter.io/developer/1634415983) |

## What reviewers say

### Simpla

[App page](https://appshunter.io/ios/app/simpla/id1475923666)

This running companion app offers essential tools for athletes, including pulse zone calculations, speed and distance calculators, a metronome for cadence, and an interval timer. It also tracks performance during runs and integrates with Apple HealthKit for data import and export.

**Highlights:** Pulse zone calculation, Speed and pace calculators, Cadence metronome, Interval timer, Run tracking, Apple HealthKit integration

**Features:** Apple Watch app

**In-app purchases:** none


### FKN AI

[App page](https://appshunter.io/ios/app/fkn-ai/id1634415981)

This app combines sports and science to help you achieve your fitness goals. It offers personalized workout programs, nutrition plans, and progress tracking to build a healthier body and overcome doubts.

**Highlights:** Personalized workout programs, Customizable nutrition plans, Calorie and macronutrient tracking, Water intake tracker, Intermittent fasting tracker, Step counter, Educational health articles

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $12.99 | per month |
| Subscription for 3 months | $34.99 | per 3 months |
| Annual subscription | $99.99 | per year |


## Frequently asked questions

### Is Simpla free?

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

### Is FKN AI free?

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

### Which has better reviews, Simpla or FKN AI?

Simpla is rated higher. Simpla averages 4.9 out of 5 from 18 ratings, while FKN AI averages 4.7 from 86 ratings.

### Do Simpla or FKN AI have ads?

Neither Simpla nor FKN AI shows ads.

### Which is updated more often, Simpla or FKN AI?

Simpla ships an update every 2 months, and FKN AI every 5 weeks. Most recently, Simpla was updated on October 24, 2026 and FKN AI on October 24, 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.*