放天燈 AR vs Krun
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
放天燈 AR
Experience the joy of releasing sky lanterns virtually, anytime and anywhere. This app offers an eco-friendly alternative to traditional sky lanterns, eliminating concerns about environmental pollution and fire hazards.
- Virtual sky lantern release
- Eco-friendly alternative
- No environmental pollution
- No fire hazards
- Available anytime, anywhere
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想放天燈又擔心造成環境污染？ 能放天燈的地方都很遠？ 那就試試『放天燈 AR』吧！ 隨時隨地皆可施放，而且不用擔心污染環境。
Krun
Engage with a digital pinwheel that creates captivating optical illusions as it spins and slows. Customize shapes, colors, and speed for a unique visual experience. It's a simple yet mesmerizing tool for all ages.
- Swipe-to-spin pinwheels
- Illusions appear as rotation slows
- Shape, color, and speed customization
- Unlock all content
- Remove ads
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Spin a pinwheel and watch hidden shapes appear while it's moving. Swipe to spin, then enjoy optical illusions as the speed changes. Simple and intuitive for kids and adults. • Swipe-to-spin pinwheels • Illusions that appear as rotation slows • Shape, color, and speed customization • Premium: unlock all and remove ads
Screenshots
Verdict
The clearest difference is rating: Krun at 3.0 against 放天燈 AR's 1.0. Krun also leads on update cadence (every 3 days vs every 18 months). 放天燈 AR's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, ratings volume, 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
Both are free to download. Krun sells 1 one-off in-app purchase. 放天燈 AR asks for nothing beyond the download.
Krun holds the better App Store score, 3.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.
放天燈 AR ships an update every 18 months, Krun every 3 days. The most recent releases landed on October 19, 2026 and October 24, 2026 respectively.
| Parameter | 放天燈 AR | Krun |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) | 3.0 (2 ratings) — better |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 | 2 — better |
| Update frequency | Every 18 months | Every 3 days — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Requires iOS | 15.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 246 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Feng Ping Wang | Shinichiro Eto |
Customer experience
放天燈 AR
Krun
In-app purchases
放天燈 AR
No in-app purchases
Krun
- Premium Unlock$2.99
