# Amber Blocks vs CJDecibel

The clearest difference is review sentiment: CJDecibel at 100% against Amber Blocks's 40%. CJDecibel also leads on rating (5.0 vs 3.6) and update cadence (weekly vs every 3 months). Amber Blocks's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, ratings volume, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

CJDecibel holds the better App Store score, 5.0 against 3.6. Both are backed by a comparable volume of ratings — 5 and 2 respectively. Written reviews point the same way: 40% of Amber Blocks's written reviews are positive against 100% of CJDecibel's.

Amber Blocks ships an update every 3 months, CJDecibel weekly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Amber Blocks | CJDecibel |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.6 (5 ratings)](https://appshunter.io/ios/app/amber-blocks/id1572411902/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/cjdecibel-noise-detection/id6479873232/reviews)** |
| Number of ratings | **5** | 2 |
| Positive reviews | 40.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | **Free** | Ad-supported |
| Size | 30 MB | 37 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [COIN98 WALLET LTD](https://appshunter.io/developer/1732374734) | [炽金 练](https://appshunter.io/developer/1523269489) |

## What reviewers say

### Amber Blocks

[App page](https://appshunter.io/ios/app/amber-blocks/id1572411902)

This platform empowers content creators to build, manage, and share their work within the Web3 space. It connects creators with engaged communities and provides readers with a trusted source for authentic knowledge and experiences. Multiple content formats are supported to enhance audience interaction.

**Highlights:** Create, edit, and publish content, Connect with Web3 communities, Multiple content formats (posts, videos, podcasts), Own your content, Authentic knowledge source for readers, Gateway to Vietnam and Southeast Asia communities

**Features:** macOS Compatibility

**In-app purchases:** none


### CJDecibel

[App page](https://appshunter.io/ios/app/cjdecibel-noise-detection/id6479873232)

This utility app offers real-time, high-precision decibel measurements to detect noise levels. It features a minimalist interface for easy operation, allows recording of detection locations, and enables sharing or exporting of historical data.

**Highlights:** Real-time decibel measurement, High-precision detection, Location recording, Data sharing and export, Detection history viewing

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Amber Blocks free?

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

### Is CJDecibel free?

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

### Which has better reviews, Amber Blocks or CJDecibel?

CJDecibel is rated higher. Amber Blocks averages 3.6 out of 5 from 5 ratings, while CJDecibel averages 5.0 from 2 ratings.

### Do Amber Blocks or CJDecibel have ads?

CJDecibel shows ads; Amber Blocks does not.

### Which is updated more often, Amber Blocks or CJDecibel?

Amber Blocks ships an update every 3 months, and CJDecibel weekly. Most recently, Amber Blocks was updated on November 3, 2026 and CJDecibel on October 30, 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.*