# Contacts Backup Utility vs On

The clearest difference is price: On at Free against Contacts Backup Utility's $5.99. On also leads on rating (5.0 vs 4.6) and update cadence (every 3 weeks vs every 2 months). Contacts Backup Utility's advantage is in-app purchases (none vs 2). On ratings volume, ads, device support and iOS requirement there is nothing between them.

On is free to download; Contacts Backup Utility costs $5.99 up front. On sells 2 one-off in-app purchases. Contacts Backup Utility asks for nothing beyond the download.

On holds the better App Store score, 5.0 against 4.6. Both are backed by a comparable volume of ratings — 5 and 6 respectively.

Contacts Backup Utility ships an update every 2 months, On every 3 weeks. The most recent releases landed on October 6, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Contacts Backup Utility | On |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | [4.6 (5 ratings)](https://appshunter.io/ios/app/contacts-backup-utility/id1451401194/reviews) | **[5.0 (6 ratings)](https://appshunter.io/ios/app/on-axis/id6446842774/reviews)** |
| Number of ratings | 5 | **6** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 1 MB | 20 MB |
| Requires iOS | 18.6 | **17** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ebrahim Rahban](https://appshunter.io/developer/1121970514) | [OK-Sound](https://appshunter.io/developer/1679335942) |

## 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


### On

[App page](https://appshunter.io/ios/app/on-axis/id6446842774)

This utility app helps audio professionals quickly measure and model audience areas for event and touring setups. It offers a streamlined workflow compatible with popular loudspeaker simulation programs, speeding up the design process. Users can create 3D models of listening areas and generate profiles along speaker axes.

**Highlights:** Audience area measurement, 3D listening area modeling, Speaker axis profiling, Bluetooth laser distance finder integration, Export to loudspeaker simulation software, 14-day free trial

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 14-day Trial | Free | one-time |
| Unlock App | $149.99 | one-time |


## Frequently asked questions

### Is Contacts Backup Utility free?

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

### Is On free?

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

### Which has better reviews, Contacts Backup Utility or On?

On is rated higher. Contacts Backup Utility averages 4.6 out of 5 from 5 ratings, while On averages 5.0 from 6 ratings.

### Do Contacts Backup Utility or On have ads?

Neither Contacts Backup Utility nor On shows ads.

### Which is updated more often, Contacts Backup Utility or On?

Contacts Backup Utility ships an update every 2 months, and On every 3 weeks. Most recently, Contacts Backup Utility was updated on October 6, 2026 and On on October 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.*