# Mobile Fax vs TavKey

The clearest difference is in-app purchases: TavKey at none against Mobile Fax's 2. Mobile Fax's advantage is update cadence (every 3 weeks vs every 2 months) and device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Mobile Fax sells 2 in-app purchases, starting at $3.99 per 7 days. TavKey asks for nothing beyond the download.

Mobile Fax ships an update every 3 weeks, TavKey every 2 months. The most recent releases landed on October 31, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Mobile Fax | TavKey |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/mobile-fax-send-from-iphone/id6740461580/reviews)** | — |
| Number of ratings | **7** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 28 MB | 6 MB |
| Requires iOS | 16 | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Adapted Hub LLC](https://appshunter.io/developer/1808931221) | [Yaron Shemesh](https://appshunter.io/developer/6790495661) |

## What reviewers say

### Mobile Fax

[App page](https://appshunter.io/ios/app/mobile-fax-send-from-iphone/id6740461580)

Send faxes directly from your iPhone without a physical machine. This app offers HIPAA-compliant transmission, document scanning, and real-time delivery status updates for professionals and individuals needing occasional faxing.

**Highlights:** Send faxes from iPhone, HIPAA-compliant transmission, Built-in document scanner, Support for PDF and image files, Real-time status updates, Optional cover letter

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Access | $3.99 | per 7 days |
| Pro Access | $19.99 | per year |


### TavKey

[App page](https://appshunter.io/ios/app/tavkey/id6790495659)

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

**In-app purchases:** none


## Frequently asked questions

### Is Mobile Fax free?

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

### Is TavKey free?

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

### Do Mobile Fax or TavKey have ads?

Neither Mobile Fax nor TavKey shows ads.

### Which is updated more often, Mobile Fax or TavKey?

Mobile Fax ships an update every 3 weeks, and TavKey every 2 months. Most recently, Mobile Fax was updated on October 31, 2026 and TavKey on October 25, 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.*