# AquaPing vs SleepStack

The clearest difference is in-app purchases: AquaPing at none against SleepStack's 3. AquaPing also leads on iOS requirement (15.1 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. SleepStack sells 3 in-app purchases, starting at $4.99 per 7 days. AquaPing asks for nothing beyond the download.

## The numbers

| Metric | AquaPing | 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 10 days |
| Monetization | — | Free with in-app purchases |
| Size | 40 MB | 49 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [NaicolTech](https://appshunter.io/developer/1883351478) | [NUNE LLC](https://appshunter.io/developer/1838850912) |

## What reviewers say

### AquaPing

[App page](https://appshunter.io/ios/app/aquaping-water-reminder/id6760224774)

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

**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 |
| --- | --- | --- |
| SleepStack Pro weekly | $4.99 | per 7 days |
| SleepStack Pro Yearly | $29.99 | per year |
| SleepStack Yearly | $59.99 | per year |


## Frequently asked questions

### Is AquaPing free?

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

### Is SleepStack free?

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

### Do AquaPing or SleepStack have ads?

Neither AquaPing nor SleepStack shows ads.

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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.*