# CallAssist Mobile vs RD Metals

The clearest difference is in-app purchases: RD Metals at none against CallAssist Mobile's 10. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. CallAssist Mobile sells 10 in-app purchases, starting at $1.99 per month. RD Metals asks for nothing beyond the download.

CallAssist Mobile ships an update monthly, RD Metals every 2 months. Both last shipped on October 29, 2026.

## The numbers

| Metric | CallAssist Mobile | RD Metals |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/callassist-mobile/id1445396946/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Subscription | — |
| Size | 27 MB | 9 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Esselink.nu](https://appshunter.io/developer/852326551) | [Vanoo Media](https://appshunter.io/developer/1431588090) |

## What reviewers say

### CallAssist Mobile

[App page](https://appshunter.io/ios/app/callassist-mobile/id1445396946)

This VoIP calling app provides high-quality voice calls over the internet, saving on mobile charges. It offers crystal-clear audio, affordable international rates, and a secure, easy-to-use interface for personal and business communication.

**Highlights:** Crystal-clear voice calls, Affordable international calling, Secure and reliable communication, Easy-to-use interface, Call history and logs, Individual and company plans

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $1.99 | per month |
| Yearly Plan | $14.90 | per year |
| 50 Users - Monthly Plan | $79.00 | per month |
| 75 Users - Monthly Plan | $119.99 | per month |
| 10 Users - Yearly Plan. | $149.00 | per year |
| 150 Users | $249.00 | per month |
| 200 Users - Monthly Plan | $299.00 | per month |
| 20 Users - Yearly Plan. | $299.00 | per year |
| 30 Users - Yearly Plan. | $499.00 | per year |
| 50 Users - Yearly Plan. | $799.00 | per year |


### RD Metals

[App page](https://appshunter.io/ios/app/rd-metals/id1531742538)

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

**In-app purchases:** none


## Frequently asked questions

### Is CallAssist Mobile free?

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

### Is RD Metals free?

RD Metals is free to download, with no in-app purchases.

### Do CallAssist Mobile or RD Metals have ads?

Neither CallAssist Mobile nor RD Metals shows ads.

### Which is updated more often, CallAssist Mobile or RD Metals?

CallAssist Mobile ships an update monthly, and RD Metals every 2 months. Most recently, CallAssist Mobile was updated on October 29, 2026 and RD Metals on October 29, 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.*