# SleepCalcuator vs Ad‑Free Countdowns

The clearest difference is in-app purchases: SleepCalcuator at none against Ad‑Free Countdowns's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Ad‑Free Countdowns sells 1 one-off in-app purchase. SleepCalcuator asks for nothing beyond the download.

## The numbers

| Metric | SleepCalcuator | Ad‑Free Countdowns |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 4 months |
| Size | 3 MB | 12 MB |
| Requires iOS | **18.2** | 18.5 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [晶 蒋](https://appshunter.io/developer/532181039) | [BRETT SHERWYN WATERSON](https://appshunter.io/developer/1857867894) |

## What reviewers say

### SleepCalcuator

[App page](https://appshunter.io/ios/app/sleepcalcuator/id6747623806)

**Features:** macOS Compatibility

**In-app purchases:** none


### Ad‑Free Countdowns

[App page](https://appshunter.io/ios/app/adfree-countdowns/id6755987052)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Countdown Premium | $3.99 | one-time |


## Frequently asked questions

### Is SleepCalcuator free?

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

### Is Ad‑Free Countdowns free?

Ad‑Free Countdowns is free to download, with in-app purchases available.

### Do SleepCalcuator or Ad‑Free Countdowns have ads?

Neither SleepCalcuator nor Ad‑Free Countdowns shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*