# Auto Sleep Detector & Tracker vs Cycle Cipher

The clearest difference is rating: Cycle Cipher at 5.0 against Auto Sleep Detector & Tracker's 1.0. Cycle Cipher also leads on monetization model (free vs paid). Auto Sleep Detector & Tracker's advantage is iOS requirement (15.1 vs 17.0). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Cycle Cipher holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on September 9, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Auto Sleep Detector & Tracker | Cycle Cipher |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/auto-sleep-detector-and-tracker/id6743064638/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cycle-cipher/id6767546105/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Paid | **Free** |
| Size | 40 MB | 4 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [SimpliXio Pte. Ltd.](https://appshunter.io/developer/1735257600) | [OMAR DANIEL GRAZIANO](https://appshunter.io/developer/1896485759) |

## What reviewers say

### Auto Sleep Detector & Tracker

[App page](https://appshunter.io/ios/app/auto-sleep-detector-and-tracker/id6743064638)

Automatically track sleep duration and patterns using your phone's sensors. Get personalized insights and recommendations to improve your rest without wearables or subscriptions. All your data stays securely on your device.

**Highlights:** AI-powered sleep tracking, No wearables required, Privacy-first design, Detailed sleep analytics, Apple Health integration, Personalized sleep insights

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

**In-app purchases:** none


### Cycle Cipher

[App page](https://appshunter.io/ios/app/cycle-cipher/id6767546105)

Track your menstrual cycle and health details privately on your device. Log symptoms, moods, and personal health history without creating an account or seeing ads. Secure your data with optional PIN protection and create encrypted backups.

**Highlights:** Local-first data storage, Account-free tracking, Log period flow, symptoms, and moods, Calendar view of cycle history, Optional PIN and device authentication, Password-encrypted backups, On-device reminders

**In-app purchases:** none


## Frequently asked questions

### Is Auto Sleep Detector & Tracker free?

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

### Is Cycle Cipher free?

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

### Which has better reviews, Auto Sleep Detector & Tracker or Cycle Cipher?

Cycle Cipher is rated higher. Auto Sleep Detector & Tracker averages 1.0 out of 5 from 1 ratings, while Cycle Cipher averages 5.0 from 1 ratings.

### Do Auto Sleep Detector & Tracker or Cycle Cipher have ads?

Neither Auto Sleep Detector & Tracker nor Cycle Cipher shows ads.

### Which is updated more often, Auto Sleep Detector & Tracker or Cycle Cipher?

Auto Sleep Detector & Tracker ships an update monthly, and Cycle Cipher monthly. Most recently, Auto Sleep Detector & Tracker was updated on September 9, 2026 and Cycle Cipher on September 22, 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.*