Smart Engines vs idMax SDK
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Smart Engines
This app demonstrates advanced AI for recognizing various documents, including IDs, business papers, and codes like QR codes. All processing occurs directly on the device for complete security and speed.
- Identity document recognition
- Business document recognition
- QR and barcode scanning
- On-device processing
- Face matching
- SDK integration
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Demo app of Smart Engines AI-powered document recognition technologies for mobile devices, servers, and web pages. Complete security, unmatched speed, and recognition accuracy. All algorithms run just on the device without transmitting any data. Explore the capabilities of our products: • Smart ID Engine — recognition of identity documents (all pages of the Russian domestic passport, including handwritten and printed registration stamps, driver’s licenses, visas, ID cards from around the world, and other documents), and non-biometric face matching. • Smart Code Engine — recognition of coded and textual objects, including QR and other barcodes, payment cards, bank account details, phone numbers, utility meters, license plates, MRZ zones, etc. • Smart Document Engine — recognition of business documents such as primary accounting documents, HR paperwork, income certificates, and others. Integrate Smart Engines solutions into your infrastructure, mobile, or web applications within hours using our isolated SDK available for a wide range of platforms. Trusted by banks, telecom operators, government institutions, transportation companies, and many more worldwide.
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 — 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 iOS requirement: Smart Engines at 15.0 against idMax SDK's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Smart Engines ships an update every 2 months, idMax SDK every 3 months. The most recent releases landed on September 10, 2026 and August 23, 2026 respectively.
| Parameter | Smart Engines | idMax SDK |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 2 months — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 290 MB | 161 MB |
| Age rating | 4+ | 4+ |
| Developer | Smart Engines | OCR Solutions, Inc. |
In-app purchases
Smart Engines
No in-app purchases
idMax SDK
No in-app purchases








