# Easy Fire vs SonoMeter

The clearest difference is in-app purchases: Easy Fire at none against SonoMeter's 4. Easy Fire also leads on iOS requirement (12.0 vs 16). SonoMeter's advantage is update cadence (every 8 months vs every 28 months). On price, ads and device support there is nothing between them.

Both are free to download. SonoMeter sells 4 in-app purchases, starting at $1.99 per 7 days. Easy Fire asks for nothing beyond the download.

Easy Fire ships an update every 28 months, SonoMeter every 8 months. Both last shipped on October 25, 2026.

## The numbers

| Metric | Easy Fire | SonoMeter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 28 months | **Every 8 months** |
| Size | 31 MB | 35 MB |
| Requires iOS | **12.0** | 16 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Linx S.r.l](https://appshunter.io/developer/1474250889) | [Raphael Goupille](https://appshunter.io/developer/1650597250) |

## What reviewers say

### Easy Fire

[App page](https://appshunter.io/ios/app/easy-fire/id6479872556)

**Features:** Vision Pro support

**In-app purchases:** none


### SonoMeter

[App page](https://appshunter.io/ios/app/sonometer-decibel-meter/id6745488403)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $1.99 | per 7 days |
| Monthly subscription | $5.99 | per month |
| Annual subscription | $24.99 | per year |
| Premium Lifetime | $6.99 | one-time |


## Frequently asked questions

### Is Easy Fire free?

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

### Is SonoMeter free?

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

### Do Easy Fire or SonoMeter have ads?

Neither Easy Fire nor SonoMeter shows ads.

### Which is updated more often, Easy Fire or SonoMeter?

Easy Fire ships an update every 28 months, and SonoMeter every 8 months. Most recently, Easy Fire was updated on October 25, 2026 and SonoMeter on October 25, 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.*