# AuthTech Authenticator vs Skill Pass by NSDC

The clearest difference is update cadence: Skill Pass by NSDC at every 11 days against AuthTech Authenticator's every 7 months. On price, ads, in-app purchases and device support there is nothing between them.

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

AuthTech Authenticator ships an update every 7 months, Skill Pass by NSDC every 11 days. Both last shipped on September 9, 2026.

## The numbers

| Metric | AuthTech Authenticator | Skill Pass by NSDC |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 11 days** |
| Size | 31 MB | 29 MB |
| Requires iOS | **12.0** | 12.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Capricorn Identity Services Pvt. Ltd.](https://appshunter.io/developer/1460233583) | [National Skill Development Corporation](https://appshunter.io/developer/1631506975) |

## What reviewers say

### AuthTech Authenticator

[App page](https://appshunter.io/ios/app/authtech-authenticator/id6445812771)

**Features:** macOS Compatibility

**In-app purchases:** none


### Skill Pass by NSDC

[App page](https://appshunter.io/ios/app/skill-pass-by-nsdc/id6477722053)

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

**In-app purchases:** none


## Frequently asked questions

### Is AuthTech Authenticator free?

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

### Is Skill Pass by NSDC free?

Skill Pass by NSDC is free to download, with no in-app purchases.

### Do AuthTech Authenticator or Skill Pass by NSDC have ads?

Neither AuthTech Authenticator nor Skill Pass by NSDC shows ads.

### Which is updated more often, AuthTech Authenticator or Skill Pass by NSDC?

AuthTech Authenticator ships an update every 7 months, and Skill Pass by NSDC every 11 days. Most recently, AuthTech Authenticator was updated on September 9, 2026 and Skill Pass by NSDC on September 9, 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.*