# WHPocketNotes vs Sound Level · Baro

The clearest difference is price: WHPocketNotes at Free against Sound Level · Baro's $0.99. Sound Level · Baro's advantage is update cadence (every 3 days vs every 2 months) and iOS requirement (13.0 vs 15.2). On ads, in-app purchases and device support there is nothing between them.

WHPocketNotes is free to download; Sound Level · Baro costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

WHPocketNotes ships an update every 2 months, Sound Level · Baro every 3 days. The most recent releases landed on November 9, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | WHPocketNotes | Sound Level · Baro |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/sound-level-baro/id6779881299/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | — | Paid |
| Size | 5 MB | 23 MB |
| Requires iOS | 15.2 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [文强 吴](https://appshunter.io/developer/1858588675) | [Euiseok Kim](https://appshunter.io/developer/1879633122) |

## What reviewers say

### WHPocketNotes

[App page](https://appshunter.io/ios/app/whpocketnotes/id6756172374)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sound Level · Baro

[App page](https://appshunter.io/ios/app/sound-level-baro/id6779881299)

Measure and record sound levels in decibels with a live readout and historical data. It includes noise limit information for six countries and allows for manual recording of sound events. All data is stored locally for privacy.

**Highlights:** Live decibel readout, Record sound events with start time and duration, Two-hour band summary of disturbances, Noise limits for six countries, Offline functionality, Local data storage

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

**In-app purchases:** none


## Frequently asked questions

### Is WHPocketNotes free?

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

### Is Sound Level · Baro free?

Sound Level · Baro costs $0.99, with no in-app purchases.

### Do WHPocketNotes or Sound Level · Baro have ads?

Neither WHPocketNotes nor Sound Level · Baro shows ads.

### Which is updated more often, WHPocketNotes or Sound Level · Baro?

WHPocketNotes ships an update every 2 months, and Sound Level · Baro every 3 days. Most recently, WHPocketNotes was updated on November 9, 2026 and Sound Level · Baro on November 10, 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.*