# Snap Nap vs BioSignals Personal trainer

The clearest difference is update cadence: BioSignals Personal trainer at every 5 months against Snap Nap's every 32 months. On price, ads, in-app purchases and device support there is nothing between them.

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

Snap Nap ships an update every 32 months, BioSignals Personal trainer every 5 months. The most recent releases landed on October 24, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Snap Nap | BioSignals Personal trainer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (4 ratings)](https://appshunter.io/ios/app/snap-nap/id1194029351/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 32 months | **Every 5 months** |
| Monetization | Free | — |
| Size | 6 MB | 28 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MediSounds LLC](https://appshunter.io/developer/1399142665) | [BioSignals LIMITED](https://appshunter.io/developer/1756021697) |

## What reviewers say

### Snap Nap

[App page](https://appshunter.io/ios/app/snap-nap/id1194029351)

This app uses sound and vibration to help you fall asleep quickly for short naps or longer siestas. You can customize nap durations and wake up to your favorite music.

**Highlights:** Customizable nap durations (5-90 minutes), Sound and vibration for sleep induction, Wake up to iTunes songs, Ancient sound technology, Modern retooling of ancient practices

**Features:** macOS Compatibility

**In-app purchases:** none


### BioSignals Personal trainer

[App page](https://appshunter.io/ios/app/biosignals-personal-trainer/id6523415317)

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

**In-app purchases:** none


## Frequently asked questions

### Is Snap Nap free?

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

### Is BioSignals Personal trainer free?

BioSignals Personal trainer is free to download, with no in-app purchases.

### Do Snap Nap or BioSignals Personal trainer have ads?

Neither Snap Nap nor BioSignals Personal trainer shows ads.

### Which is updated more often, Snap Nap or BioSignals Personal trainer?

Snap Nap ships an update every 32 months, and BioSignals Personal trainer every 5 months. Most recently, Snap Nap was updated on October 24, 2026 and BioSignals Personal trainer on October 15, 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.*