# NPI SDK vs Web Print SDK

The clearest difference is update cadence: Web Print SDK at every 3 months against NPI SDK's every 9 months. NPI SDK's advantage is iOS requirement (13.0 vs 15.0). 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, Web Print SDK every 3 months. The most recent releases landed on October 10, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | NPI SDK | Web Print SDK |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 3 months** |
| Size | 20 MB | 24 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Nippon Primex Inc.](https://appshunter.io/developer/792545796) | [BIXOLON CO.,LTD.](https://appshunter.io/developer/633364478) |

## What reviewers say

### NPI SDK

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

**In-app purchases:** none


### Web Print SDK

[App page](https://appshunter.io/ios/app/web-print-sdk/id1472321772)

**In-app purchases:** none


## Frequently asked questions

### Is NPI SDK free?

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

### Is Web Print SDK free?

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

### Do NPI SDK or Web Print SDK have ads?

Neither NPI SDK nor Web Print SDK shows ads.

### Which is updated more often, NPI SDK or Web Print SDK?

NPI SDK ships an update every 9 months, and Web Print SDK every 3 months. Most recently, NPI SDK was updated on October 10, 2026 and Web Print SDK 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.*