# Wrist Temperature Tracker vs Sleevi

The clearest difference is rating: Sleevi at 5.0 against Wrist Temperature Tracker's 3.4. Sleevi also leads on in-app purchases (none vs 3) and review sentiment (59% vs 28%). Wrist Temperature Tracker's advantage is ratings volume (127 vs 4). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Wrist Temperature Tracker sells 3 in-app purchases, starting at $1.99 per month. Sleevi asks for nothing beyond the download.

Sleevi holds the better App Store score, 5.0 against 3.4. That said, the two scores are not equally well evidenced: Wrist Temperature Tracker has 127 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 28% of Wrist Temperature Tracker's written reviews are positive against 59% of Sleevi's.

Wrist Temperature Tracker ships an update every 11 days, Sleevi daily. The most recent releases landed on October 16, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Wrist Temperature Tracker | Sleevi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (127 ratings)](https://appshunter.io/ios/app/wrist-temperature-tracker/id6443753237/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/sleevi-mobile-sleep-lab/id6446651812/reviews)** |
| Number of ratings | **127** | 4 |
| Positive reviews | 28.3% of reviews | **58.8% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 11 days | **Daily** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 5 MB | 73 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, Apple Watch, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [Bernhard Hering](https://appshunter.io/developer/327542085) | [Kevin Reutter](https://appshunter.io/developer/1273424431) |

## What reviewers say

### Wrist Temperature Tracker

[App page](https://appshunter.io/ios/app/wrist-temperature-tracker/id6443753237)

Automatically analyzes your cycle, ovulation, and temperature patterns using Apple Watch data. Visualize your cycle phases with intelligent charting and trend insights. Advanced features like cycle overlays and widgets require an in-app purchase.

**Highlights:** Automatic cycle detection, Ovulation and temperature pattern analysis, Cycle comparison and overlays, Trend insights and phase visualization, Daily temperature heat-map, Yearly trend overview

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $1.99 | per month |
| Yearly Subscription | $11.99 | per year |
| Unlock Wrist Temperature | $79.99 | one-time |


### Sleevi

[App page](https://appshunter.io/ios/app/sleevi-mobile-sleep-lab/id6446651812)

This app tracks your body's recovery during sleep using data from your Apple Watch. It analyzes heart rate, respiratory rate, and body temperature to provide a recovery score and personalized insights for optimizing your health and wellness.

**Highlights:** Sleep recovery tracking, Heart rate monitoring, Respiratory rate analysis, Body temperature tracking (compatible models), Personalized recovery score, Health insights and recommendations, Apple Health sync

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Wrist Temperature Tracker free?

Wrist Temperature Tracker is free to download, with in-app purchases available.

### Is Sleevi free?

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

### Which has better reviews, Wrist Temperature Tracker or Sleevi?

Sleevi is rated higher. Wrist Temperature Tracker averages 3.4 out of 5 from 127 ratings, while Sleevi averages 5.0 from 4 ratings.

### Do Wrist Temperature Tracker or Sleevi have ads?

Neither Wrist Temperature Tracker nor Sleevi shows ads.

### Which is updated more often, Wrist Temperature Tracker or Sleevi?

Wrist Temperature Tracker ships an update every 11 days, and Sleevi daily. Most recently, Wrist Temperature Tracker was updated on October 16, 2026 and Sleevi on October 11, 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.*