# Chrono vs Simple Sleep

The clearest difference is ads: Chrono at none against Simple Sleep's shown. Chrono also leads on update cadence (every 3 days vs weekly). Simple Sleep's advantage is iOS requirement (15.1 vs 18.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Chrono sells 6 in-app purchases, starting at $4.99 per month and Simple Sleep sells 4 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Chrono ships an update every 3 days, Simple Sleep weekly. The most recent releases landed on October 16, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Chrono | Simple Sleep |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/simple-sleep-minimal-tracker/id6758269412/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 days** | Weekly |
| Monetization | — | Free with in-app purchases |
| Size | 582 MB | 55 MB |
| Requires iOS | 18.6 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | +4 | 4+ |
| Developer | [Leonardo Barros Bilhalva](https://appshunter.io/developer/1868122530) | [ANJI, LLC](https://appshunter.io/developer/1860836126) |

## What reviewers say

### Chrono

[App page](https://appshunter.io/ios/app/chrono-sleep-tracker/id6757658348)

**Features:** Family Sharing

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chrono Premium - Monthly | $4.99 | per month |
| Chrono Premium - Monthly | $4.99 | per month |
| Chrono Premium - Annual 60% Off | $11.99 | per year |
| Chrono Premium - Annual | $20.99 | per year |
| Chrono Premium - Annual | $20.99 | per year |
| Chrono Premium - Annual | $29.99 | per year |


### Simple Sleep

[App page](https://appshunter.io/ios/app/simple-sleep-minimal-tracker/id6758269412)

Easily monitor your sleep patterns with a minimalist tracker. Understand your rest duration, bedtime, and wake-up times with simple one-tap logging. Set sleep goals and view comprehensive insights, all while prioritizing your privacy with on-device data processing.

**Highlights:** Effortless one-tap sleep tracking, Comprehensive sleep insights and data, Personalized sleep goal setting, Battery-friendly design, Live Activities and Dynamic Island integration, Apple Health synchronization, Privacy-first, on-device data processing

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Super Simple Sleep (1 Month) | $2.99 | per month |
| Super Simple Sleep (6 Months) | $6.99 | per 6 months |
| Super Simple Sleep (1 Year) | $9.69 | per year |
| Super Simple Sleep (Lifetime) | $16.99 | one-time |


## Frequently asked questions

### Is Chrono free?

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

### Is Simple Sleep free?

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

### Do Chrono or Simple Sleep have ads?

Simple Sleep shows ads; Chrono does not.

### Which is updated more often, Chrono or Simple Sleep?

Chrono ships an update every 3 days, and Simple Sleep weekly. Most recently, Chrono was updated on October 16, 2026 and Simple Sleep on October 6, 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.*