# ProMFA Authenticator vs XOTC Authenticator

ProMFA Authenticator and XOTC Authenticator are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ProMFA Authenticator ships an update every 4 months, XOTC Authenticator every 6 months. The most recent releases landed on October 18, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | ProMFA Authenticator | XOTC Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 6 months |
| Size | 44 MB | 31 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ProMDM d.o.o.](https://appshunter.io/developer/1521653950) | [XIID Corporation](https://appshunter.io/developer/1596437821) |

## What reviewers say

### ProMFA Authenticator

[App page](https://appshunter.io/ios/app/promfa-authenticator/id1521653948)

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

**In-app purchases:** none


### XOTC Authenticator

[App page](https://appshunter.io/ios/app/xotc-authenticator/id1643410778)

**In-app purchases:** none


## Frequently asked questions

### Is ProMFA Authenticator free?

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

### Is XOTC Authenticator free?

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

### Do ProMFA Authenticator or XOTC Authenticator have ads?

Neither ProMFA Authenticator nor XOTC Authenticator shows ads.

### Which is updated more often, ProMFA Authenticator or XOTC Authenticator?

ProMFA Authenticator ships an update every 4 months, and XOTC Authenticator every 6 months. Most recently, ProMFA Authenticator was updated on October 18, 2026 and XOTC Authenticator on October 5, 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.*