# NauNauSOS vs mySongDiary

The clearest difference is in-app purchases: mySongDiary at none against NauNauSOS's 2. mySongDiary also leads on update cadence (fortnightly vs monthly) and iOS requirement (16.4 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. NauNauSOS sells 2 in-app purchases, starting at $0.99 per month. mySongDiary asks for nothing beyond the download.

NauNauSOS ships an update monthly, mySongDiary fortnightly. Both last shipped on October 24, 2026.

## The numbers

| Metric | NauNauSOS | mySongDiary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/naunausos-location-sharing-app/id6448802495/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Freemium | — |
| Size | 83 MB | 57 MB |
| Requires iOS | 18.0 | **16.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [NauNau LLC](https://appshunter.io/developer/1647086222) | [Michael Schiano](https://appshunter.io/developer/6774729887) |

## What reviewers say

### NauNauSOS

[App page](https://appshunter.io/ios/app/naunausos-location-sharing-app/id6448802495)

This safety app provides real-time SOS alerts, live location tracking, and instant video sharing to trusted contacts. It's designed to offer peace of mind for individuals and families, with global availability and a discreet mode for emergencies.

**Highlights:** One-tap SOS alerts, Live video and audio sharing, Real-time GPS location tracking, Global availability (130+ countries), Discreet alert mode, Trusted contacts circle, Campus ambassador program

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $0.99 | per month |
| Yearly subscription | $9.99 | per year |


### mySongDiary

[App page](https://appshunter.io/ios/app/mysongdiary/id6774729885)

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

**In-app purchases:** none


## Frequently asked questions

### Is NauNauSOS free?

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

### Is mySongDiary free?

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

### Do NauNauSOS or mySongDiary have ads?

Neither NauNauSOS nor mySongDiary shows ads.

### Which is updated more often, NauNauSOS or mySongDiary?

NauNauSOS ships an update monthly, and mySongDiary fortnightly. Most recently, NauNauSOS was updated on October 24, 2026 and mySongDiary on October 24, 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.*