Smart Engines vs Delr
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.
Delr
This app offers a streamlined experience for discovering and ordering drinks and desserts. It features real-time updates on production and delivery, along with personalized recommendations and privacy controls.
- Product display and recommendations
- Real-time order tracking
- Delivery progress monitoring
- Personalized preferences
- Privacy controls
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This software, with its fresh interface and reasonable layout, can fulfill your needs faster and give you a more comfortable and intimate experience. There are three modules, the home page product display, real-time updates and recommendations of your favorite drinks and desserts, optimize the nearest business; order module, real-time display and tracking your drinks and desserts production progress and delivery progress; my module, to meet the services you need, so that the platform to better protect your privacy and your preferences, as well as the platform's preferential tips!
Screenshots
Verdict
The clearest difference is update cadence: Smart Engines at every 2 months against Delr's every 10 months. Delr's advantage is iOS requirement (12.0 vs 15.0). On price, rating, ratings volume and ads 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.
On the App Store both sit at effectively the same score — 5.0 for Smart Engines against 5.0 for Delr. Both are backed by a comparable volume of ratings — 2 and 1 respectively.
Smart Engines ships an update every 2 months, Delr every 10 months. The most recent releases landed on October 14, 2026 and October 13, 2026 respectively.
| Parameter | Smart Engines | Delr |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) | 5.0 (1 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 2 — better | 1 |
| Update frequency | Every 2 months — better | Every 10 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 290 MB | 89 MB |
| Age rating | 4+ | 17+ |
| Developer | Smart Engines | Jonathan Chau |
Customer experience
Smart Engines
Delr
In-app purchases
Smart Engines
No in-app purchases
Delr
No in-app purchases









