Comparison

Arcona AR Scanner vs TetraClock

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

Head to head
About

Arcona AR Scanner

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AR Scanner is designed for Arcona AR World users. It allows to collect and send terrain datasets to the Arcona server. The dataset consists of a video sequence, imu data (accelerometer + gyroscope) and gps. On the Arcona server, the dataset will be processed and turned into a map of the area.  After that, the owner of this mapped area will be able to remotely and accurately place 3D content on it, and all Arcona users in this area will be able to accurately position and observe 3D content.

About

TetraClock

This clock app uses falling tetromino blocks to display the time. Customize colors, animations, and display formats. Note that the displayed time may have slight discrepancies due to animation effects.

Highlights
  • Tetromino block time display
  • Customizable colors and animations
  • 12/24-hour format
  • Seconds display toggle
  • Adjustable falling speed
  • Background color options
Features
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'TetraClock' is a clock app that represents the time by stacking seven types of single-sided tetromino-shaped blocks as they fall. The differences from the paid version are as follows: ・Contains ads ・No Watch App [How to Use] Tap the screen: Open the settings screen. Long press the screen: Stack the blocks again. [Main Features] - Switch between 12/24-hour display - Toggle seconds display ON/OFF - Monotone display - Fill in ON/OFF - Change outline color - Change transition animations - Change falling speed - Change background color [Notices] Due to the animation effect used for changing numbers, there may be a discrepancy between the displayed time and the actual time. Please do not use the displayed time as a basis for important decisions.

Screenshots

Arcona AR Scanner2 screens
TetraClock3 screens

Verdict

The call

The clearest difference is ads: Arcona AR Scanner at none against TetraClock's shown. TetraClock's advantage is update cadence (every 2 days vs every 13 months). On price, in-app purchases, 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Arcona AR Scanner ships an update every 13 months, TetraClock every 2 days. The most recent releases landed on October 14, 2026 and October 22, 2026 respectively.

Scorecard2 real differences · 7 level
Arcona AR Scanner versus TetraClock: the parameters behind the verdict, then further details
ParameterArcona AR ScannerTetraClock
PriceFreeFree
Rating—3.7 (3 ratings) — better
Number of ratings—3 — better
Update frequencyEvery 13 monthsEvery 2 days — better
AdsNo — betterYes
In-app purchasesNoNo
Monetization—Ad-supported
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13 — better14.0
Further details — not scored
Size8 MB6 MB
Age rating4+4+
DeveloperPilgrim OOOLegal Prompt Inc.

In-app purchases

None

Arcona AR Scanner

No in-app purchases

None

TetraClock

No in-app purchases

Questions

Is Arcona AR Scanner free?
Arcona AR Scanner is free to download, with no in-app purchases.
Is TetraClock free?
TetraClock is free to download, with no in-app purchases.
Do Arcona AR Scanner or TetraClock have ads?
TetraClock shows ads; Arcona AR Scanner does not.
Which is updated more often, Arcona AR Scanner or TetraClock?
Arcona AR Scanner ships an update every 13 months, and TetraClock every 2 days. Most recently, Arcona AR Scanner was updated on October 14, 2026 and TetraClock on October 22, 2026.

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