# Sound Meter vs PostCode

The clearest difference is review sentiment: PostCode at 100% against Sound Meter's 40%. PostCode also leads on rating (5.0 vs 4.4) and in-app purchases (none vs 1). Sound Meter's advantage is price (Free vs $2.99) and ratings volume (16 vs 1). On update cadence, ads and device support there is nothing between them.

Sound Meter is free to download; PostCode costs $2.99 up front. Sound Meter sells 1 one-off in-app purchase. PostCode asks for nothing beyond the download.

PostCode holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Sound Meter has 16 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 40% of Sound Meter's written reviews are positive against 100% of PostCode's.

Sound Meter ships an update fortnightly, PostCode every 3 weeks. The most recent releases landed on September 24, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | Sound Meter | PostCode |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | [4.4 (16 ratings)](https://appshunter.io/ios/app/sound-meter/id1560541986/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/postcode-timecode-calculator/id6758260094/reviews)** |
| Number of ratings | **16** | 1 |
| Positive reviews | 40.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 57 MB | 6 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hiep Pham](https://appshunter.io/developer/1040792388) | [Martin McLean](https://appshunter.io/developer/1871811769) |

## What reviewers say

### Sound Meter

[App page](https://appshunter.io/ios/app/sound-meter/id1560541986)

This utility app measures ambient noise levels in decibels. It provides a reference table to help users understand safe listening levels and protects their hearing. The app also stores historical measurements for later review.

**Highlights:** Measures sound level in decibels, Decibel level reference table, Hearing protection guidance, Stores measurement history, Easy to use interface

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ADs | $4.99 | one-time |


### PostCode

[App page](https://appshunter.io/ios/app/postcode-timecode-calculator/id6758260094)

This utility app helps video editors perform complex timecode calculations and frame rate conversions. It supports adding, subtracting, multiplying, and dividing timecode, calculating total run times, and instantly converting between various frame rates. Designed for professional post-production workflows.

**Highlights:** Timecode arithmetic (add, subtract, multiply, divide), Total run time calculation from In/Out points, Instant frame rate conversion, Toggle between timecode and frame count, Support for all standard and custom frame rates, Export calculations as CSV or TXT

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sound Meter free?

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

### Is PostCode free?

PostCode costs $2.99, with no in-app purchases.

### Which has better reviews, Sound Meter or PostCode?

PostCode is rated higher. Sound Meter averages 4.4 out of 5 from 16 ratings, while PostCode averages 5.0 from 1 ratings.

### Do Sound Meter or PostCode have ads?

Neither Sound Meter nor PostCode shows ads.

### Which is updated more often, Sound Meter or PostCode?

Sound Meter ships an update fortnightly, and PostCode every 3 weeks. Most recently, Sound Meter was updated on September 24, 2026 and PostCode on September 7, 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.*