# SoundLog vs Noise Diary

The clearest difference is iOS requirement: SoundLog at 15.0 against Noise Diary's 17.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. SoundLog sells 4 in-app purchases, starting at $2.99 per month and Noise Diary sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | SoundLog | Noise Diary |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | — |
| Size | 83 MB | 2 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Kenichi Tabata](https://appshunter.io/developer/1896292479) | [逸文 周](https://appshunter.io/developer/1484299344) |

## What reviewers say

### SoundLog

[App page](https://appshunter.io/ios/app/soundlog-noise-tracker/id6766467501)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SoundLog Pro (Monthly) | $2.99 | per month |
| SoundLog Pro (Yearly) | $17.99 | per year |
| Single Report | $1.99 | one-time |
| 3-Report Pack | $2.49 | one-time |


### Noise Diary

[App page](https://appshunter.io/ios/app/noise-diary-db-log/id6795772385)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Noise Diary Pro Lifetime | $6.99 | one-time |


## Frequently asked questions

### Is SoundLog free?

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

### Is Noise Diary free?

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

### Do SoundLog or Noise Diary have ads?

Neither SoundLog nor Noise Diary shows ads.

---

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