# NightFlow vs Aurnia

The clearest difference is in-app purchases: NightFlow at none against Aurnia's 2. NightFlow also leads on iOS requirement (15.6 vs 17.0). Aurnia's advantage is update cadence (weekly vs every 6 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Aurnia sells 2 in-app purchases, starting at $6.99 per month. NightFlow asks for nothing beyond the download.

NightFlow ships an update every 6 weeks, Aurnia weekly. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | NightFlow | Aurnia |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/nightflow/id6741455495/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Weekly** |
| Monetization | Free | — |
| Size | 20 MB | 20 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Caleb George Brown](https://appshunter.io/developer/1794242534) | [JIYULMOM](https://appshunter.io/developer/379186743) |

## What reviewers say

### NightFlow

[App page](https://appshunter.io/ios/app/nightflow/id6741455495)

This app listens for silence after your TV turns off and gently fades in nature sounds to help you fall asleep. It works automatically without timers and runs in the background, even when your phone is locked.

**Highlights:** Smart listening for TV silence, Automatic sound fade-in, Background monitoring, Multiple nature soundscapes, Privacy-focused on-device processing, Dark mode support

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

**In-app purchases:** none


### Aurnia

[App page](https://appshunter.io/ios/app/aurnia-sleep-tracker/id6764247734)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Aurnia Pro Monthly | $6.99 | per month |
| Aurnia Pro Annual | $39.99 | per year |


## Frequently asked questions

### Is NightFlow free?

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

### Is Aurnia free?

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

### Do NightFlow or Aurnia have ads?

Neither NightFlow nor Aurnia shows ads.

### Which is updated more often, NightFlow or Aurnia?

NightFlow ships an update every 6 weeks, and Aurnia weekly. Most recently, NightFlow was updated on November 4, 2026 and Aurnia on November 5, 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.*