NPI SDK vs idMax SDK
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
NPI SDK
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NPI SDK app will be able to get status also printing, to (Bluetooth or Wireless LAN connection) printer of Nippon Primex Inc.. NPI SDK can be used to support the construction of your application, to be printed easily.
idMax SDK
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idMax SDK app is a showcase for a secure, on-premise SDK for scanning ID cards, credit cards, and other documents with high speed and precision. The software not only scans text data, but also extracts barcodes, face photos, signatures, and other graphical zones. The app demonstrates how to improve user experience in identity verification, ID photo and selfie comparison, and many other use cases. idMax SDK supports about 3000 document types issued by 210+ territories in more than 100 languages. The SDK scans ID cards and residence permits, international passports, driver's licenses, visas, and other travel- and residence-related documents issued by countries of the European Union, South, Central, and North America, Australia, Oceania, and New Zealand, the Middle East and Far East, other Asian countries, and Africa. idMax SDK app does NOT transfer, save, or store the extracted data โ the recognition process runs entirely in the local RAM of the device. The app does NOT require internet access.
Screenshots
Verdict
The clearest difference is update cadence: idMax SDK at every 3 months against NPI SDK's every 9 months. NPI SDK's advantage is iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
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, idMax SDK every 3 months. The most recent releases landed on September 8, 2026 and August 23, 2026 respectively.
| Parameter | NPI SDK | idMax SDK |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 9 months | Every 3 months โ better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod โ better | iPhone, iPad |
| Requires iOS | 13.0 โ better | 17.0 |
| Further details โ not scored | ||
| Size | 20 MB | 161 MB |
| Age rating | 4+ | 4+ |
| Developer | Nippon Primex Inc. | OCR Solutions, Inc. |
In-app purchases
NPI SDK
No in-app purchases
idMax SDK
No in-app purchases









