# Rediff Authenticator vs Contact Backup & Export Secure

The clearest difference is in-app purchases: Rediff Authenticator at none against Contact Backup & Export Secure's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Contact Backup & Export Secure sells 1 in-app purchase, starting at $2.99 per 7 days. Rediff Authenticator asks for nothing beyond the download.

## The numbers

| Metric | Rediff Authenticator | Contact Backup & Export Secure |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 12 months | — |
| Monetization | — | Free with in-app purchases |
| Size | 3 MB | 50 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rediff.com](https://appshunter.io/developer/594754477) | [CodeCross](https://appshunter.io/developer/1660793254) |

## What reviewers say

### Rediff Authenticator

[App page](https://appshunter.io/ios/app/rediff-authenticator/id6745682069)

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

**In-app purchases:** none


### Contact Backup & Export Secure

[App page](https://appshunter.io/ios/app/contact-backup-and-export-secure/id6764262875)

Securely back up and export your phone contacts to various file formats like Excel, CSV, and VCF. This app offers 100% offline processing and direct cloud backups to your personal storage, ensuring your data remains private and under your control.

**Highlights:** Export contacts to CSV, Excel, Word, Plain Text, and vCard, 100% offline processing on device, Cloud backup to Google Drive and iCloud, Zero servers, accounts, or data collection, Export all or select specific contacts, Filter and export by contact groups, Clean, modern design with intuitive navigation

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $2.99 | per 7 days |


## Frequently asked questions

### Is Rediff Authenticator free?

Rediff Authenticator is free to download, with no in-app purchases.

### Is Contact Backup & Export Secure free?

Contact Backup & Export Secure is free to download, with in-app purchases available.

### Do Rediff Authenticator or Contact Backup & Export Secure have ads?

Neither Rediff Authenticator nor Contact Backup & Export Secure shows ads.

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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.*