# NPI SDK vs IDentity Developer

The clearest difference is update cadence: IDentity Developer at every 5 weeks against NPI SDK's every 9 months. NPI SDK's advantage is iOS requirement (13.0 vs 15.5). 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.

NPI SDK ships an update every 9 months, IDentity Developer every 5 weeks. The most recent releases landed on October 10, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | NPI SDK | IDentity Developer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/identity-developer/id1431646776/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 5 weeks** |
| Monetization | — | Free |
| Size | 20 MB | 138 MB |
| Requires iOS | **13.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nippon Primex Inc.](https://appshunter.io/developer/792545796) | [Idmission LLC](https://appshunter.io/developer/1020084076) |

## What reviewers say

### NPI SDK

[App page](https://appshunter.io/ios/app/npi-sdk/id792545793)

**In-app purchases:** none


### IDentity Developer

[App page](https://appshunter.io/ios/app/identity-developer/id1431646776)

This application assists SDK developers in testing various configuration options and features. It supports ID image capture, live face detection, and biometric capture and enrollment.

**Highlights:** ID image capture testing, Live face detection, Biometric capture, Biometric enrollment, SDK configuration testing

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NPI SDK free?

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

### Is IDentity Developer free?

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

### Do NPI SDK or IDentity Developer have ads?

Neither NPI SDK nor IDentity Developer shows ads.

### Which is updated more often, NPI SDK or IDentity Developer?

NPI SDK ships an update every 9 months, and IDentity Developer every 5 weeks. Most recently, NPI SDK was updated on October 10, 2026 and IDentity Developer on September 30, 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.*