# Adiem vs FastTrack

The clearest difference is in-app purchases: Adiem at none against FastTrack's 2. FastTrack's advantage is update cadence (every 5 days vs every 2 months) and iOS requirement (14.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. FastTrack sells 2 in-app purchases, starting at $2.99 per year. Adiem asks for nothing beyond the download.

Adiem ships an update every 2 months, FastTrack every 5 days. Both last shipped on September 29, 2026.

## The numbers

| Metric | Adiem | FastTrack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (10 ratings)](https://appshunter.io/ios/app/adiem/id1562295627/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 76.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | Free | — |
| Size | 35 MB | 49 MB |
| Requires iOS | 18.0 | **14.0** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Adiem](https://appshunter.io/developer/1562295629) | [Fernando Mendes](https://appshunter.io/developer/1878625841) |

## What reviewers say

### Adiem

[App page](https://appshunter.io/ios/app/adiem/id1562295627)

This app uses personalized haptic rhythms based on your heart data to help you self-regulate and feel calm in social situations. It discreetly guides your body into a relaxed state through subtle vibrations on your wrist.

**Highlights:** Personalized haptic feedback, Apple Watch integration, Adaptive rhythm adjustment, Seamless and private operation, Supports emotional regulation, Based on heart data

**Features:** Apple Watch app

**In-app purchases:** none


### FastTrack

[App page](https://appshunter.io/ios/app/fasttrack-fasting-timer/id6759444553)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yearly | $2.99 | per year |
| Lifetime | $5.99 | one-time |


## Frequently asked questions

### Is Adiem free?

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

### Is FastTrack free?

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

### Do Adiem or FastTrack have ads?

Neither Adiem nor FastTrack shows ads.

### Which is updated more often, Adiem or FastTrack?

Adiem ships an update every 2 months, and FastTrack every 5 days. Most recently, Adiem was updated on September 29, 2026 and FastTrack on September 29, 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.*