# Facephi Authentication vs ProtocolTrackerLab

Facephi Authentication and ProtocolTrackerLab are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support 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.

## The numbers

| Metric | Facephi Authentication | ProtocolTrackerLab |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | — |
| Size | 62 MB | 2 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [FacePhi Biometria SA](https://appshunter.io/developer/981537538) | [Mehmet Ali Okay](https://appshunter.io/developer/1871965536) |

## What reviewers say

### Facephi Authentication

[App page](https://appshunter.io/ios/app/facephi-authentication/id1579032570)

**In-app purchases:** none


### ProtocolTrackerLab

[App page](https://appshunter.io/ios/app/protocoltrackerlab/id6758282286)

**In-app purchases:** none


## Frequently asked questions

### Is Facephi Authentication free?

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

### Is ProtocolTrackerLab free?

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

### Do Facephi Authentication or ProtocolTrackerLab have ads?

Neither Facephi Authentication nor ProtocolTrackerLab shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*