Comparison

OOrion vs D20+ Dice Roller 3D

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

Head to head
About

OOrion

This smart vision assistant helps you quickly identify, locate, and understand your surroundings. It can find lost items, spot specific objects, and even alert you to obstacles. The app offers hands-free operation and offline functionality with on-device AI.

Highlights
  • Object identification
  • Item location
  • Obstacle detection
  • Offline AI processing
  • Hands-free operation
  • Custom item recognition
Features
Read full description

Discover OOrion, the smart vision assistant that helps you identify, locate and understand the world around you with great speed and simplicity. Whether you need to find keys dropped on the floor, locate a product in your closet or fridge, spot power outlets in a hotel room, identify the right door on the street or recognize a name on an intercom, OOrion is here to assist you. It can also alert you when an obstacle is in your path and provide ultra low latency scene descriptions for greater awareness of your surroundings. For even more convenience, OOrion can be used completely hands free and with your phone locked as we are officially compatible with Meta AI Glasses. OOrion includes powerful on device AI models that run offline, meaning the app does not necessarily require an internet connection to operate. You can also add your own personal items for quick retrieval whenever you need them. OOrion is fully compatible with the VoiceOver screen reader and Siri. Are you a venue open to the public? Become an OOrion partner and make your establishment accessible to everyone. For questions or feedback, feel free to contact us at contact@oorion.fr

About

D20+ Dice Roller 3D

Features
Read full description

D20+ Dice Roller 3D brings your rolls to life with stunning visuals and smooth, responsive controls. Roll custom D4, D6, D8, D10, D12 and D20 dice with realistic motion and dynamic lighting. Key Features: • Roll Your Way: Tap, swipe, or shake your device. Rolls react naturally to the angle and speed of your gesture for a truly tactile experience. • Roll Multiple Dice: Roll up to 20 dice at once for faster, more flexible gameplay at the table. • Count Successes: Set target numbers for your rolls to count successes, not just calculate totals. • Custom Visuals: Personalize your dice to match your character, campaign, or aesthetic with a selection of distinct styles and materials. • Zero Clutter: A minimalist, distraction-free interface designed for fast pacing at the table. • Full Dice Set: Roll D4, D6, D8, D10, D12 and D20 with fully simulated, fair and randomized physical rolls. • Accessibility: Full support for text sizes and screen readers. Your dice, anywhere, anytime.

Screenshots

OOrion4 screens
D20+ Dice Roller 3D4 screens

Verdict

The call

The clearest difference is price: OOrion at Free against D20+ Dice Roller 3D's $0.99. D20+ Dice Roller 3D's advantage is review sentiment (100% vs 79%). On update cadence, ads, in-app purchases and device support 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

OOrion is free to download; D20+ Dice Roller 3D costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

OOrion ships an update every 2 weeks, D20+ Dice Roller 3D every 9 days. The most recent releases landed on November 7, 2026 and November 8, 2026 respectively.

Scorecard2 real differences · 8 level
OOrion versus D20+ Dice Roller 3D: the parameters behind the verdict, then further details
ParameterOOrionD20+ Dice Roller 3D
PriceFree — better$0.99
Rating4.1 (31 ratings) — better—
Positive reviews78.6% of reviews100.0% of reviews — better
Number of ratings31 — better—
Update frequencyEvery 2 weeksEvery 9 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhoneiPhone, iPad — better
Requires iOS17.216.0 — better
Further details — not scored
Size391 MB3 MB
Age rating4+4+
DeveloperOOrionJohn David J Rowlands

Customer experience

OOrion

All ratings31 ratings
Positive74.2%
Neutral19.4%
Negative6.5%
Written reviews28 reviews
Positive78.6%
Neutral14.3%
Negative7.1%

D20+ Dice Roller 3D

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

OOrion

No in-app purchases

None

D20+ Dice Roller 3D

No in-app purchases

Questions

Is OOrion free?
OOrion is free to download, with no in-app purchases.
Is D20+ Dice Roller 3D free?
D20+ Dice Roller 3D costs $0.99, with no in-app purchases.
Do OOrion or D20+ Dice Roller 3D have ads?
Neither OOrion nor D20+ Dice Roller 3D shows ads.
Which is updated more often, OOrion or D20+ Dice Roller 3D?
OOrion ships an update every 2 weeks, and D20+ Dice Roller 3D every 9 days. Most recently, OOrion was updated on November 7, 2026 and D20+ Dice Roller 3D on November 8, 2026.

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