Roulette arrow vs Uvula Detection
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Roulette arrow
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Make decisions the fun way with three tools in one: Arrow Roulette, Roulette, and Amida (ghost leg). Just enter names or items and tap Start. Perfect for parties, classrooms, team picks, and any time you need to choose a winner or an order.
Uvula Detection
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Detect and display the uvula
Screenshots
Verdict
The clearest difference is device support: Roulette arrow at 3 against Uvula Detection's 1. Roulette arrow also leads on iOS requirement (15.0 vs 17.7.2). On price, update cadence, ads and in-app purchases 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.
Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on November 7, 2026 and November 8, 2026 respectively.
| Parameter | Roulette arrow | Uvula Detection |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 17.7.2 |
| Further details — not scored | ||
| Size | 4 MB | 35 MB |
| Age rating | 4+ | 4+ |
| Developer | yuya kanbetsunawa | Hideaki Uchikoshi |
In-app purchases
Roulette arrow
No in-app purchases
Uvula Detection
No in-app purchases
