Comparison

printAR vs Smart Drain Pro

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

Head to head
About

printAR

Visualize and interact with PDF documents in augmented reality. Preview designs, collaborate in meetings, and share AR experiences with others. Documents appear at actual size and can be manipulated as if physically present.

Highlights
  • Interact with documents in AR
  • Preview designs before printing
  • Shared AR experiences
  • Horizontal & vertical surface detection
  • Document manipulation (move, rotate, stack)
  • Actual size document display
Read full description

printAR enables you to interact with documents in Augmented Reality. Use printAR to preview design work like Posters, in meetings to present documents or use it to collaborate on a pin board. INTERACT Interact with your documents as if they were printed: Move, rotate or stack them. Double tap to look at them full screen. PREVIEW WITHOUT HAVING TO PRINT Preview your documents before printing them to test font sizes, colors, etc. in a real world environment. Then, only print the final product. SHARED AR EXPERIENCES Enable others to see what you see on their own device. Invite up to 7 other users to join your AR experience. While joining an AR experience is free, starting your own shared AR experience requires a one-time purchase. GREAT FOR MEETINGS AND MORE Place documents on a desk around you and quickly access valuable information by simply moving your device or enable others to see the same documents. ACTUAL SIZE Documents in AR are displayed in their real world dimensions. SURFACE DETECTION printAR can detect horizontal surfaces, such as table tops, and vertical surfaces, such as walls. SUPPORTED FILE TYPES The app currently only supports PDF documents. KEY FEATURES • Shared AR Experiences • Horizontal & vertical surface detection. • Document interaction: Move, rotate, stack. • Full screen PDF viewer. • Document texture mimics real paper. • Lighting estimation to account for real world environment.

About

Smart Drain Pro

Automate water heater valve operations with this Bluetooth-enabled scheduler. Set custom times and days for efficient residue removal and device management in residential and industrial settings.

Highlights
  • Bluetooth device control
  • Automated scheduling
  • Customizable day and time programming
  • Residue removal management
  • Remote device operation
Features
Read full description

The Smart Drain Pro app offers an innovative and user-friendly solution for controlling our Bluetooth devices, specifically designed for solenoids operating valves in water heaters. This app allows you to automatically schedule valve operations based on your chosen time and day, efficiently managing the removal of residues from water heaters. Key Features: - Bluetooth Connection: Easily connect Smart Drain Pro Bluetooth (BLE) devices for effective control and time management. - Customized Scheduling: Program your Smart Drain Pro devices to activate on specific days and hours, optimizing the handling and maintenance of your water heaters. The Smart Drain Pro app is perfect for automating and remotely controlling Smart Drain Pro devices in both residential and industrial settings, providing convenient and efficient management.  Download the app today and experience the simplicity of controlling your Smart Drain Pro devices with just a few taps!

Screenshots

printAR4 screens
Smart Drain Pro4 screens

Verdict

The call

The clearest difference is rating: Smart Drain Pro at 5.0 against printAR's 4.4. Smart Drain Pro also leads on in-app purchases (none vs 1). printAR's advantage is update cadence (every 2 months vs every 5 months) and ratings volume (23 vs 2). On price, ads, device support and iOS requirement 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. printAR sells 1 one-off in-app purchase. Smart Drain Pro asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Smart Drain Pro holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: printAR has 23 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

printAR ships an update every 2 months, Smart Drain Pro every 5 months. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.

Scorecard5 real differences · 5 level
printAR versus Smart Drain Pro: the parameters behind the verdict, then further details
ParameterprintARSmart Drain Pro
PriceFreeFree
Rating4.4 (23 ratings)5.0 (2 ratings) — better
Positive reviews100.0% of reviews—
Number of ratings23 — better2
Update frequencyEvery 2 months — betterEvery 5 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS12.012.0
Further details — not scored
Size58 MB23 MB
Age rating4+4+
DeveloperTill-Eugen KoenitzerDavid Sims

Customer experience

printAR

All ratings23 ratings
Positive87.0%
Neutral4.3%
Negative8.7%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Smart Drain Pro

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

In-app purchases

1 purchases

printAR

One-time1
  • Host a Shared AR Experience$1.99
None

Smart Drain Pro

No in-app purchases

Questions

Is printAR free?
printAR is free to download, with in-app purchases available.
Is Smart Drain Pro free?
Smart Drain Pro is free to download, with no in-app purchases.
Which has better reviews, printAR or Smart Drain Pro?
Smart Drain Pro is rated higher. printAR averages 4.4 out of 5 from 23 ratings, while Smart Drain Pro averages 5.0 from 2 ratings.
Do printAR or Smart Drain Pro have ads?
Neither printAR nor Smart Drain Pro shows ads.
Which is updated more often, printAR or Smart Drain Pro?
printAR ships an update every 2 months, and Smart Drain Pro every 5 months. Most recently, printAR was updated on November 2, 2026 and Smart Drain Pro on November 4, 2026.

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