# Sound Level Analyzer vs Aligna

The clearest difference is price: Aligna at Free against Sound Level Analyzer's $7.99. Aligna also leads on update cadence (every 4 days vs every 7 months) and device support (3 vs 1). Sound Level Analyzer's advantage is rating (3.5 vs 1.0) and in-app purchases (none vs 1). On ratings volume and ads there is nothing between them.

Aligna is free to download; Sound Level Analyzer costs $7.99 up front. Aligna sells 1 one-off in-app purchase. Sound Level Analyzer asks for nothing beyond the download.

Sound Level Analyzer holds the better App Store score, 3.5 against 1.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Sound Level Analyzer ships an update every 7 months, Aligna every 4 days. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Sound Level Analyzer | Aligna |
| --- | --- | --- |
| Price | $7.99 | **Free** |
| Rating | **[3.5 (2 ratings)](https://appshunter.io/ios/app/sound-level-analyzer/id886109671/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/aligna-file-renamer/id6783642658/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 4 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 1 MB | 25 MB |
| Requires iOS | 26.2 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TOON,LLC](https://appshunter.io/developer/633948723) | [ONNELLAB](https://appshunter.io/developer/1879534319) |

## What reviewers say

### Sound Level Analyzer

[App page](https://appshunter.io/ios/app/sound-level-analyzer/id886109671)

This app measures sound levels and provides advanced frequency analysis tools. It's useful for various applications, from ambient noise checks to audio system testing and live event analysis. Features include real-time spectrum analysis and FFT capabilities.

**Highlights:** Sound level measurement (Leq, Min, Max, Avg), Frequency weighting (A, C, Z), Time weighting (Fast, Slow), Real-time frequency spectrum analyzer (RTA), FFT analysis, Calibration and measurement timer, Snapshot saving

**In-app purchases:** none


### Aligna

[App page](https://appshunter.io/ios/app/aligna-file-renamer/id6783642658)

This utility app allows for efficient batch renaming of files using predefined rules. It offers a preview of changes before applying them, with options to handle naming conflicts. The free version has a limit on the number of files processed per operation.

**Highlights:** Batch file renaming, 8 included renaming presets, Preview changes before applying, Conflict resolution options, Rename photos by capture date, Rename MP3s by artist/title/track

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Aligna Pro | $1.99 | one-time |


## Frequently asked questions

### Is Sound Level Analyzer free?

Sound Level Analyzer costs $7.99, with no in-app purchases.

### Is Aligna free?

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

### Which has better reviews, Sound Level Analyzer or Aligna?

Sound Level Analyzer is rated higher. Sound Level Analyzer averages 3.5 out of 5 from 2 ratings, while Aligna averages 1.0 from 1 ratings.

### Do Sound Level Analyzer or Aligna have ads?

Neither Sound Level Analyzer nor Aligna shows ads.

### Which is updated more often, Sound Level Analyzer or Aligna?

Sound Level Analyzer ships an update every 7 months, and Aligna every 4 days. Most recently, Sound Level Analyzer was updated on November 1, 2026 and Aligna 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.*