# Caller IP Mobile vs Contacts Backup

The clearest difference is ads: Caller IP Mobile at none against Contacts Backup's shown. Caller IP Mobile also leads on monetization model (free vs ad-supported) and iOS requirement (10.0 vs 15.0). On price, update cadence, 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.

Caller IP Mobile ships an update every 5 weeks, Contacts Backup monthly. The most recent releases landed on September 7, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Caller IP Mobile | Contacts Backup |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/contacts-backup-easy-backup/id6504213613/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | **Free** | Ad-supported |
| Size | 20 MB | 31 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Caller IP Inc](https://appshunter.io/developer/1246609553) | [明昆 王](https://appshunter.io/developer/1742677616) |

## What reviewers say

### Caller IP Mobile

[App page](https://appshunter.io/ios/app/caller-ip-mobile/id1246609554)

Connect your Rinble VoIP phone service to your mobile device. This application allows you to use your existing Rinble number for calls and manage your account on the go.

**Highlights:** Pair Rinble VoIP with mobile, Use Rinble number for calls, Mobile account management, Voice-over-IP integration

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

**In-app purchases:** none


### Contacts Backup

[App page](https://appshunter.io/ios/app/contacts-backup-easy-backup/id6504213613)

Easily back up and manage your contacts with this simple tool. Quickly find duplicate entries, record important notes, and store passwords securely. It also offers a holiday reminder feature to send greetings to contacts.

**Highlights:** Quick contact backup, Download backed-up contacts, Address book management, Find duplicate contacts, Notepad for notes, Password book, Holiday reminder

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Caller IP Mobile free?

Caller IP Mobile is free to download, with no in-app purchases.

### Is Contacts Backup free?

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

### Do Caller IP Mobile or Contacts Backup have ads?

Contacts Backup shows ads; Caller IP Mobile does not.

### Which is updated more often, Caller IP Mobile or Contacts Backup?

Caller IP Mobile ships an update every 5 weeks, and Contacts Backup monthly. Most recently, Caller IP Mobile was updated on September 7, 2026 and Contacts Backup 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.*