# PowerNap vs ASC

The clearest difference is update cadence: PowerNap at fortnightly against ASC's every 20 months. PowerNap also leads on device support (3 vs 1) and iOS requirement (11.2 vs 16.4). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PowerNap ships an update fortnightly, ASC every 20 months. The most recent releases landed on October 15, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | PowerNap | ASC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (2 ratings)](https://appshunter.io/ios/app/powernap-with-deep-sleep-mode/id1390384490/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 20 months |
| Monetization | Free | — |
| Size | 12 MB | 72 MB |
| Requires iOS | **11.2** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Pratik Parekh](https://appshunter.io/developer/1341298454) | [NGBR Ltd](https://appshunter.io/developer/1589087515) |

## What reviewers say

### PowerNap

[App page](https://appshunter.io/ios/app/powernap-with-deep-sleep-mode/id1390384490)

This utility app helps you take effective power naps without falling into deep sleep. Set a timer for short rests and wake up refreshed with a pleasant alarm. It features a deep sleep detection mode to ensure you don't oversleep.

**Highlights:** Adjustable nap timer (1-30 minutes), Deep sleep detection mode, Pleasant wake-up alarm, Voice countdown, 5-minute advance reminder

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

**In-app purchases:** none


### ASC

[App page](https://appshunter.io/ios/app/asc-cd/id1589087513)

**In-app purchases:** none


## Frequently asked questions

### Is PowerNap free?

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

### Is ASC free?

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

### Do PowerNap or ASC have ads?

Neither PowerNap nor ASC shows ads.

### Which is updated more often, PowerNap or ASC?

PowerNap ships an update fortnightly, and ASC every 20 months. Most recently, PowerNap was updated on October 15, 2026 and ASC on October 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.*