# TimerCue vs SleepStack

The clearest difference is in-app purchases: TimerCue at none against SleepStack's 3. TimerCue also leads on update cadence (every 4 days vs every 10 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. SleepStack sells 3 in-app purchases, starting at $9.99 per 7 days. TimerCue asks for nothing beyond the download.

TimerCue ships an update every 4 days, SleepStack every 10 days. The most recent releases landed on September 11, 2026 and July 17, 2026 respectively.

## The numbers

| Metric | TimerCue | SleepStack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (4 ratings)](https://appshunter.io/ios/app/sleepstack-sleep-protocol/id6760767864/reviews)** |
| Number of ratings | — | **4** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 10 days |
| Monetization | — | Free with in-app purchases |
| Size | 3 MB | 49 MB |
| Requires iOS | 18.5 | **18.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Marco Tedeschini](https://appshunter.io/developer/1826891418) | [NUNE LLC](https://appshunter.io/developer/1838850912) |

## What reviewers say

### TimerCue

[App page](https://appshunter.io/ios/app/timercue-workout-timer/id6748659859)

**Features:** macOS Compatibility

**In-app purchases:** none


### SleepStack

[App page](https://appshunter.io/ios/app/sleepstack-sleep-protocol/id6760767864)

This app helps you build better sleep habits with guided routines, sleep tracking, and relaxation techniques. It monitors your sleep environment and provides feedback to improve your rest and morning recovery. Protect your sleep from phone distractions with app blocking features.

**Highlights:** Personalized bedtime routine builder, Sleep Score and insights tracking, Guided relaxation techniques, App blocking for sleep protection, Sleep environment monitoring, Morning energy and recovery feedback, Gamified sleep habit tracking

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SleepMaxer Pro weekly | $9.99 | per 7 days |
| SleepMaxer Pro Yearly | $49.99 | per year |
| SleepStack Yearly | $59.99 | per year |


## Frequently asked questions

### Is TimerCue free?

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

### Is SleepStack free?

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

### Do TimerCue or SleepStack have ads?

Neither TimerCue nor SleepStack shows ads.

### Which is updated more often, TimerCue or SleepStack?

TimerCue ships an update every 4 days, and SleepStack every 10 days. Most recently, TimerCue was updated on September 11, 2026 and SleepStack on July 17, 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.*