Comparison

Smart Engines vs Delr

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Identity document recognition
  • Business document recognition
  • QR and barcode scanning
  • On-device processing
  • Face matching
  • SDK integration
Features
Read full description

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.

About

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.

Highlights
  • Product display and recommendations
  • Real-time order tracking
  • Delivery progress monitoring
  • Personalized preferences
  • Privacy controls
Features
Read full description

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

Smart Engines4 screens
Delr4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard2 real differences · 8 level
Smart Engines versus Delr: the parameters behind the verdict, then further details
ParameterSmart EnginesDelr
PriceFreeFree
Rating5.0 (2 ratings)5.0 (1 ratings)
Positive reviews—100.0% of reviews
Number of ratings2 — better1
Update frequencyEvery 2 months — betterEvery 10 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.012.0 — better
Further details — not scored
Size290 MB89 MB
Age rating4+17+
DeveloperSmart EnginesJonathan Chau

Customer experience

Smart Engines

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Delr

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Smart Engines

No in-app purchases

None

Delr

No in-app purchases

Questions

Is Smart Engines free?
Smart Engines is free to download, with no in-app purchases.
Is Delr free?
Delr is free to download, with no in-app purchases.
Which has better reviews, Smart Engines or Delr?
Smart Engines and Delr are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.
Do Smart Engines or Delr have ads?
Neither Smart Engines nor Delr shows ads.
Which is updated more often, Smart Engines or Delr?
Smart Engines ships an update every 2 months, and Delr every 10 months. Most recently, Smart Engines was updated on October 14, 2026 and Delr on October 13, 2026.

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