# DIY Sizer vs SoundMeter

The clearest difference is in-app purchases: DIY Sizer at none against SoundMeter's 1. DIY Sizer also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. SoundMeter sells 1 one-off in-app purchase. DIY Sizer asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 18, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | DIY Sizer | SoundMeter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Size | 8 MB | 6 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SANWA Inc.](https://appshunter.io/developer/1878028373) | [Yusuke Takeuchi](https://appshunter.io/developer/1103617788) |

## What reviewers say

### DIY Sizer

[App page](https://appshunter.io/ios/app/diy-sizer/id6760861011)

**Features:** macOS Compatibility

**In-app purchases:** none


### SoundMeter

[App page](https://appshunter.io/ios/app/soundmeter-decibel-db-meter/id6794570606)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is DIY Sizer free?

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

### Is SoundMeter free?

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

### Do DIY Sizer or SoundMeter have ads?

SoundMeter shows ads; DIY Sizer does not.

### Which is updated more often, DIY Sizer or SoundMeter?

DIY Sizer ships an update every 2 weeks, and SoundMeter every 2 weeks. Most recently, DIY Sizer was updated on October 18, 2026 and SoundMeter 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.*