# UPREADY AI performance tracker vs Sleep Tracker

The clearest difference is in-app purchases: Sleep Tracker at none against UPREADY AI performance tracker's 2. Sleep Tracker also leads on update cadence (every 6 days vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. UPREADY AI performance tracker sells 2 in-app purchases, starting at $4.99 per month. Sleep Tracker asks for nothing beyond the download.

UPREADY AI performance tracker ships an update every 3 months, Sleep Tracker every 6 days. The most recent releases landed on October 20, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | UPREADY AI performance tracker | Sleep Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/upready-ai-performance-tracker/id6738921753/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 days** |
| Monetization | Free with in-app purchases | — |
| Size | 7 MB | 24 MB |
| Requires iOS | **17.1** | 18.0 |
| Devices | iPhone | **iPhone, Apple Watch** |
| Age rating | 12+ | 4+ |
| Developer | [Ana Duque](https://appshunter.io/developer/1549314817) | [Sven Kraln](https://appshunter.io/developer/6816678493) |

## What reviewers say

### UPREADY AI performance tracker

[App page](https://appshunter.io/ios/app/upready-ai-performance-tracker/id6738921753)

This AI-powered app analyzes your sleep, workout load, and HRV to provide a daily readiness score. It helps you understand your body's preparedness for the day and offers insights into your recovery and stress levels. You can also connect with friends to share and monitor each other's progress.

**Highlights:** AI-powered readiness score, Load indicator for workout stress, Sleep quality insights, Heart Rate Variability (HRV) tracking, Friends and family monitoring, Privacy-focused data handling

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $4.99 | per month |
| Yearly Subscription | $49.99 | per year |


### Sleep Tracker

[App page](https://appshunter.io/ios/app/sleep-tracker-cernidia/id6816678341)

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is UPREADY AI performance tracker free?

UPREADY AI performance tracker is free to download, with in-app purchases available.

### Is Sleep Tracker free?

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

### Do UPREADY AI performance tracker or Sleep Tracker have ads?

Neither UPREADY AI performance tracker nor Sleep Tracker shows ads.

### Which is updated more often, UPREADY AI performance tracker or Sleep Tracker?

UPREADY AI performance tracker ships an update every 3 months, and Sleep Tracker every 6 days. Most recently, UPREADY AI performance tracker was updated on October 20, 2026 and Sleep Tracker on October 16, 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.*