# Muninn vs SleepFlow Sleep Tracker

The clearest difference is in-app purchases: SleepFlow Sleep Tracker at none against Muninn's 3. SleepFlow Sleep Tracker also leads on update cadence (daily vs every 10 days) and iOS requirement (17.6 vs 26.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Muninn sells 3 in-app purchases, starting at $2.99 per month. SleepFlow Sleep Tracker asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Muninn against 5.0 for SleepFlow Sleep Tracker. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Muninn ships an update every 10 days, SleepFlow Sleep Tracker daily. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Muninn | SleepFlow Sleep Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/muninn-habit-tracker-widget/id6443640124/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/sleepflow-sleep-tracker/id6757989734/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 days | **Daily** |
| Monetization | Freemium | **Free** |
| Size | 14 MB | 4 MB |
| Requires iOS | 26.0 | **17.6** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Norse Ventures LLC](https://appshunter.io/developer/1021405857) | [Fabio Mota](https://appshunter.io/developer/1866114975) |

## What reviewers say

### Muninn

[App page](https://appshunter.io/ios/app/muninn-habit-tracker-widget/id6443640124)

This app automatically tracks your daily habits by syncing with your phone's health data and photo library. It displays your progress on home and lock screens, allowing for manual check-offs and streak management. It also supports habits you want to quit, with options for rest days and pausing streaks.

**Highlights:** Automatic habit logging via Health and Photos, Home and Lock Screen widgets, Streak tracking and management, Habits to quit tracking, Customizable habit scheduling, Rest day support for streaks

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Muninn Pro Monthly | $2.99 | per month |
| Muninn Pro Yearly | $19.99 | per year |
| Muninn Pro Lifetime | $39.99 | one-time |


### SleepFlow Sleep Tracker

[App page](https://appshunter.io/ios/app/sleepflow-sleep-tracker/id6757989734)

Understand your sleep patterns, build consistent habits, and wake up refreshed. This app offers simple tracking, insightful trends, and personalized goals to improve your sleep quality without complexity. Your data remains private and on your device.

**Highlights:** Sleep tracking and logging, Sleep history and trend visualization, Sleep statistics and deep sleep insights, Daily streak motivation, Smart bedtime and wake-up reminders, Personalized sleep duration goals, Privacy-focused, on-device data storage

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Muninn free?

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

### Is SleepFlow Sleep Tracker free?

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

### Which has better reviews, Muninn or SleepFlow Sleep Tracker?

Muninn and SleepFlow Sleep Tracker are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Muninn or SleepFlow Sleep Tracker have ads?

Neither Muninn nor SleepFlow Sleep Tracker shows ads.

### Which is updated more often, Muninn or SleepFlow Sleep Tracker?

Muninn ships an update every 10 days, and SleepFlow Sleep Tracker daily. Most recently, Muninn was updated on October 27, 2026 and SleepFlow Sleep Tracker 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.*