# Contacts Backup Utility vs SpectralScan Audio Analyzer

The clearest difference is price: SpectralScan Audio Analyzer at Free against Contacts Backup Utility's $5.99. SpectralScan Audio Analyzer also leads on update cadence (every 9 days vs every 2 months) and rating (4.9 vs 4.6). Contacts Backup Utility's advantage is in-app purchases (none vs 1). On ratings volume, ads and device support there is nothing between them.

SpectralScan Audio Analyzer is free to download; Contacts Backup Utility costs $5.99 up front. SpectralScan Audio Analyzer sells 1 one-off in-app purchase. Contacts Backup Utility asks for nothing beyond the download.

SpectralScan Audio Analyzer holds the better App Store score, 4.9 against 4.6. Both are backed by a comparable volume of ratings — 5 and 10 respectively.

Contacts Backup Utility ships an update every 2 months, SpectralScan Audio Analyzer every 9 days. The most recent releases landed on October 6, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Contacts Backup Utility | SpectralScan Audio Analyzer |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | [4.6 (5 ratings)](https://appshunter.io/ios/app/contacts-backup-utility/id1451401194/reviews) | **[4.9 (10 ratings)](https://appshunter.io/ios/app/spectralscan-audio-analyzer/id6762024331/reviews)** |
| Number of ratings | 5 | **10** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 9 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 1 MB | 16 MB |
| Requires iOS | 18.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ebrahim Rahban](https://appshunter.io/developer/1121970514) | [Otsukare AB](https://appshunter.io/developer/1892516192) |

## What reviewers say

### Contacts Backup Utility

[App page](https://appshunter.io/ios/app/contacts-backup-utility/id1451401194)

Easily back up, restore, clean, and manage your iPhone and iPad address book. This privacy-focused app offers local backups, smart exports, and tools to merge duplicates and remove incomplete entries.

**Highlights:** Local contact backup, Quick restore, Export as vCard/CSV, Duplicate contact merging, Cleanup incomplete contacts, Advanced backup search

**In-app purchases:** none


### SpectralScan Audio Analyzer

[App page](https://appshunter.io/ios/app/spectralscan-audio-analyzer/id6762024331)

Transform your device into a professional audio analysis tool. Visualize sound in real-time with a high-resolution spectrum, perform precise sine sweep measurements, and analyze frequency content over time. Save, compare, and export your audio data.

**Highlights:** Real-time frequency spectrum visualization, Sine sweep measurements for system response, Spectrogram for time-frequency analysis, Comparison and overlay of multiple measurements, Export data as CSV or PNG, Pro features for advanced analysis

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SpectralScan Pro | $9.99 | one-time |


## Frequently asked questions

### Is Contacts Backup Utility free?

Contacts Backup Utility costs $5.99, with no in-app purchases.

### Is SpectralScan Audio Analyzer free?

SpectralScan Audio Analyzer is free to download, with in-app purchases available.

### Which has better reviews, Contacts Backup Utility or SpectralScan Audio Analyzer?

SpectralScan Audio Analyzer is rated higher. Contacts Backup Utility averages 4.6 out of 5 from 5 ratings, while SpectralScan Audio Analyzer averages 4.9 from 10 ratings.

### Do Contacts Backup Utility or SpectralScan Audio Analyzer have ads?

Neither Contacts Backup Utility nor SpectralScan Audio Analyzer shows ads.

### Which is updated more often, Contacts Backup Utility or SpectralScan Audio Analyzer?

Contacts Backup Utility ships an update every 2 months, and SpectralScan Audio Analyzer every 9 days. Most recently, Contacts Backup Utility was updated on October 6, 2026 and SpectralScan Audio Analyzer on October 2, 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.*