# LOL Armory vs Decibel

The clearest difference is in-app purchases: LOL Armory at none against Decibel's 4. Decibel's advantage is review sentiment (75% vs 48%) and rating (4.7 vs 4.4). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Decibel sells 4 one-off in-app purchases. LOL Armory asks for nothing beyond the download.

Decibel holds the better App Store score, 4.7 against 4.4. That said, the two scores are not equally well evidenced: Decibel has 298 ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 48% of LOL Armory's written reviews are positive against 75% of Decibel's.

LOL Armory ships an update monthly, Decibel every 9 days. The most recent releases landed on November 1, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | LOL Armory | Decibel |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (10 ratings)](https://appshunter.io/ios/app/lol-armory/id623382893/reviews) | **[4.7 (298 ratings)](https://appshunter.io/ios/app/decibel-noise-testing-artifact/id1470054262/reviews)** |
| Number of ratings | 10 | **298** |
| Positive reviews | 47.8% of reviews | **75.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Monthly | **Every 9 days** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 21 MB | 7 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [杨 张](https://appshunter.io/developer/623331535) | [文智 洪](https://appshunter.io/developer/775738991) |

## What reviewers say

### LOL Armory

[App page](https://appshunter.io/ios/app/lol-armory/id623382893)

This app serves as a comprehensive guide for League of Legends, providing detailed information on champions, items, and summoner spells. Access stats, abilities, tips, lore, and skin photos for champions, along with item stats and prices.

**Highlights:** Champion stats, abilities, and lore, Item stats and prices, Summoner spell details, Champion skin photos, Offline accessibility

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

**In-app purchases:** none


### Decibel

[App page](https://appshunter.io/ios/app/decibel-noise-testing-artifact/id1470054262)

This application offers noise detection and measurement capabilities, providing reference data for sound levels anytime, anywhere. It also includes location tagging for detection points and allows for the export of audio files for sharing. While it aims for accuracy, it is intended for private reference and cannot fully replace professional equipment.

**Highlights:** Noise detection, Reference measurement data, Detection point location, Audio file export, Private reference tool

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Support | $0.99 | one-time |
| Ad removal service. | $1.99 | one-time |
| Warm Support | $2.99 | one-time |
| Generous Support | $4.99 | one-time |


## Frequently asked questions

### Is LOL Armory free?

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

### Is Decibel free?

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

### Which has better reviews, LOL Armory or Decibel?

Decibel is rated higher. LOL Armory averages 4.4 out of 5 from 10 ratings, while Decibel averages 4.7 from 298 ratings.

### Do LOL Armory or Decibel have ads?

Both LOL Armory and Decibel show ads.

### Which is updated more often, LOL Armory or Decibel?

LOL Armory ships an update monthly, and Decibel every 9 days. Most recently, LOL Armory was updated on November 1, 2026 and Decibel on November 6, 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.*