# Sound Meter HQ vs SapMap

The clearest difference is update cadence: SapMap at every 3 weeks against Sound Meter HQ's every 4 months. Sound Meter HQ's advantage is iOS requirement (13.0 vs 16.4). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Sound Meter HQ sells 1 one-off in-app purchase and SapMap sells 3 in-app purchases, starting at $6.99 per year. Whichever you choose, the download price is not the number that matters.

Sound Meter HQ ships an update every 4 months, SapMap every 3 weeks. The most recent releases landed on November 6, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Sound Meter HQ | SapMap |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (349 ratings)](https://appshunter.io/ios/app/sound-meter-hq/id1093419762/reviews)** | — |
| Number of ratings | **349** | — |
| Positive reviews | 37.5% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 13 MB | 42 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [ExaMobile S.A.](https://appshunter.io/developer/506014841) | [John Scott](https://appshunter.io/developer/6801675532) |

## What reviewers say

### Sound Meter HQ

[App page](https://appshunter.io/ios/app/sound-meter-hq/id1093419762)

This application measures noise and sound levels using your device's microphone. It displays results in decibels on a logarithmic graph and allows for calibration to ensure accuracy. You can record minimum, average, and maximum sound levels.

**Highlights:** Measure sound level, Vibration meter, Noise detector, Record Min, AVG, Max levels, Logarithmic dB graph, Manual and auto calibration

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $1.99 | one-time |


### SapMap

[App page](https://appshunter.io/ios/app/sapmap-maple-syrup-tracker/id6801675530)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Additional Sugar Bush | $6.99 | per year |
| Predictions | $12.99 | per year |
| Analytics | $12.99 | per year |


## Frequently asked questions

### Is Sound Meter HQ free?

Sound Meter HQ is free to download, with in-app purchases available.

### Is SapMap free?

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

### Do Sound Meter HQ or SapMap have ads?

Neither Sound Meter HQ nor SapMap shows ads.

### Which is updated more often, Sound Meter HQ or SapMap?

Sound Meter HQ ships an update every 4 months, and SapMap every 3 weeks. Most recently, Sound Meter HQ was updated on November 6, 2026 and SapMap on October 31, 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.*