# Mobile Data Assistant vs Contacts Master

Mobile Data Assistant and Contacts Master both sit at 3.7 stars, but that hides the real split: 100% of Contacts Master's written reviews are positive against 43% of Mobile Data Assistant's. Contacts Master also leads on in-app purchases (none vs 1) and ads (none vs shown). On price, rating, ratings volume and device support there is nothing between them.

Both are free to download. Mobile Data Assistant sells 1 one-off in-app purchase. Contacts Master asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 3.7 for Mobile Data Assistant against 3.7 for Contacts Master. Both are backed by a comparable volume of ratings — 6 and 3 respectively. Written reviews are what separate them: 43% of Mobile Data Assistant's written reviews are positive against 100% of Contacts Master's.

Mobile Data Assistant ships an update every 6 weeks, Contacts Master every 3 days. The most recent releases landed on September 30, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Mobile Data Assistant | Contacts Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (6 ratings)](https://appshunter.io/ios/app/mobile-data-assistant/id6455939775/reviews) | [3.7 (3 ratings)](https://appshunter.io/ios/app/contacts-masterclean-and-export/id6755728745/reviews) |
| Number of ratings | **6** | 3 |
| Positive reviews | 42.9% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 3 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 10 MB | 4 MB |
| Requires iOS | 17.0 | **16.6** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Fausto Ristagno](https://appshunter.io/developer/482102205) | [BRINDER SINGH](https://appshunter.io/developer/998362921) |

## What reviewers say

### Mobile Data Assistant

[App page](https://appshunter.io/ios/app/mobile-data-assistant/id6455939775)

Monitor your cellular and Wi-Fi data usage with detailed graphs and an interactive map. Manage multiple data plans, track consumption, and stay informed with customizable widgets. Avoid unexpected costs and waste with this intuitive data management tool.

**Highlights:** Monitor cellular and Wi-Fi data usage, Detailed real-time graphs, Interactive data consumption map, Manage multiple data plans, Customizable home and lock screen widgets, Track data plan renewal dates

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium lifetime | $2.99 | one-time |


### Contacts Master

[App page](https://appshunter.io/ios/app/contacts-masterclean-and-export/id6755728745)

Organize your address book with this comprehensive suite. Clean up duplicates, export to various formats, and manage important dates and events. Keep your contacts backed up and easily accessible.

**Highlights:** Find and remove duplicate contacts, Export contacts to Excel, CSV, PDF, VCF, Import and restore contacts from backups, Organize contacts into custom groups, Add notes and set reminders for contacts, Manage birthdays and anniversaries, Send personalized bulk messages

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

**In-app purchases:** none


## Frequently asked questions

### Is Mobile Data Assistant free?

Mobile Data Assistant is free to download, with in-app purchases available.

### Is Contacts Master free?

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

### Which has better reviews, Mobile Data Assistant or Contacts Master?

Mobile Data Assistant and Contacts Master are both rated 3.7 out of 5 on the App Store, from 6 and 3 ratings respectively.

### Do Mobile Data Assistant or Contacts Master have ads?

Mobile Data Assistant shows ads; Contacts Master does not.

### Which is updated more often, Mobile Data Assistant or Contacts Master?

Mobile Data Assistant ships an update every 6 weeks, and Contacts Master every 3 days. Most recently, Mobile Data Assistant was updated on September 30, 2026 and Contacts Master on October 1, 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.*