# Steady vs ShiftRhythm

The clearest difference is update cadence: ShiftRhythm at every 2 days against Steady's every 4 days. On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Steady sells 2 in-app purchases, starting at $0.99 per month and ShiftRhythm sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Steady ships an update every 4 days, ShiftRhythm every 2 days. The most recent releases landed on September 1, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | Steady | ShiftRhythm |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/steady-shift-sleep/id6768091450/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | **Every 2 days** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 6 MB | 16 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [JC Mobile App Studio LLC](https://appshunter.io/developer/1895553190) | [Jaeyoun Kim](https://appshunter.io/developer/6772886377) |

## What reviewers say

### Steady

[App page](https://appshunter.io/ios/app/steady-shift-sleep/id6768091450)

This app helps shift workers manage fatigue and optimize sleep. It offers a smart wake alarm, fatigue forecasting, and personalized coaching tips. Prioritizing privacy, it keeps all your data on your device.

**Highlights:** Drive home risk alert, Smart wake alarm, 3-day fatigue forecast, Evidence-based coaching tips, Bilingual (English/Spanish), Private, on-device data storage

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Steady Pro, Monthly | $0.99 | per month |
| Steady Pro, Yearly | $8.99 | per year |


### ShiftRhythm

[App page](https://appshunter.io/ios/app/shiftrhythm-shift-sleep/id6776639759)

This app helps night shift workers optimize their sleep and light exposure based on their unique roster. It provides personalized guidance for sleep, naps, and light timing to align with your body clock and manage sleep debt.

**Highlights:** Personalized sleep and nap timing, Light exposure guidance, Circadian rhythm dial, Sleep score and debt tracking, Roster presets and custom schedules, Apple Watch app and widgets

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Yearly | $14.99 | per year |
| Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is Steady free?

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

### Is ShiftRhythm free?

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

### Do Steady or ShiftRhythm have ads?

Neither Steady nor ShiftRhythm shows ads.

### Which is updated more often, Steady or ShiftRhythm?

Steady ships an update every 4 days, and ShiftRhythm every 2 days. Most recently, Steady was updated on September 1, 2026 and ShiftRhythm on September 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.*