Cooli Handheld Fan vs Krun
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Cooli Handheld Fan
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Feeling hot on a summer day But doing anything feels like too much That is when you open Cooli Cooli is a digital handheld fan that runs on your phone It does not produce real wind It does not cool your device It simply spins makes sound and looks cool And that is the whole point Features Three speed modes Low Normal and Turbo Tap to change the speed and enjoy the different vibes Sound effects Realistic spinning sounds that make it feel cooler Even though nothing actually changes Battery gimmick Use it too much and the battery runs out The fan stops because it is tired Recharge with ads Watch a short ad to recharge the battery Think of it as charging the fan Cooling plate in the center Yes it looks cool No it does not cool anything Perfect for Hot days when you just want the feeling Joking around with friends People who enjoy pointless apps Anyone who likes silly ideas done seriously How to use Open the app Tap the button to change speed Watch it spin Feel cool Even if you are not No wind No cooling No purpose Just vibes From the developer Cooli was made for moments when you want to laugh at the heat instead of fighting it It is not about cooling down It is about feeling cool Just a little Just Vibes the i series.
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 ads: Cooli Handheld Fan at none against Krun's shown. Krun's advantage is update cadence (every 3 days vs every 2 weeks). 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
Both are free to download. Cooli Handheld Fan sells 1 one-off in-app purchase and Krun sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Cooli Handheld Fan ships an update every 2 weeks, Krun every 3 days. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.
| Parameter | Cooli Handheld Fan | Krun |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.0 (2 ratings) — better |
| Number of ratings | — | 2 — better |
| Update frequency | Every 2 weeks | Every 3 days — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | — | 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 | 122 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Yukinori Yano | Shinichiro Eto |
In-app purchases
Cooli Handheld Fan
- Ad-Free Mode$0.49
Krun
- Premium Unlock$2.99
Questions
Is Cooli Handheld Fan free?
Is Krun free?
Do Cooli Handheld Fan or Krun have ads?
Which is updated more often, Cooli Handheld Fan or Krun?
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