KeyPlus3 vs Goutte
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
KeyPlus3
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Special Key KeyPlus provides customers with a unique experience. Creating a world where you can easily control and share car doors with just one phone, enabling a special life. The one thing that turns my car into a smart car is Special Key KeyPlus. YouTube Introduction Video: https://www.youtube.com/watch?v=rcryNcxolg8&t=2s Company Website: http://smartkeyplus.com/ Blog: https://blog.naver.com/sokeyplus
Goutte
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A perfectly brewed cup deserves better than a memory that fades by tomorrow. Yesterday it was perfect. So why doesn't it taste the same today? That note you scribbled on the back of the bean bag is nowhere to be found, and you can't quite remember how many clicks you set on the Comandante… I've been there too. So I built this. Not some grand service — more like the most elegant brew journal for coffee nerds like us. It's called goutte — French for "drop." I wanted to hold on to every last drop, right down to the final one from a Hario Switch. ■ This is for you if you've ever thought… • "This bean was amazing on the Switch last time… what was the recipe again?" • "Isn't there one place to keep all my Comandante and Mahlkönig grind settings?" • "I wonder which beans I've been drinking most lately." ■ What goutte does • Record your brew in real time — a circular timer ring shows your progress and even previews your next pour. • Snap a paper recipe card and the steps fill themselves in. (Just set the grind size yourself!) • From pour-over to AeroPress (upright & inverted) and iced — however you brew, it's captured. • Fork a recipe you love, and the grind size is auto-converted to your grinder's clicks. • Explore World Brewers Cup champions' recipes in the Discover tab, filtered by competition year. • Watch which beans you drink most come into focus as your logs add up. ■ Just enough, nothing more No complicated setup. A few taps while you brew — that's it. I built this to use it myself. I hope it brings your cup into a little sharper focus, too.
Screenshots
Verdict
KeyPlus3 and Goutte are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
KeyPlus3 ships an update every 2 weeks, Goutte every 10 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.
| Parameter | KeyPlus3 | Goutte |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 weeks | Every 10 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 32 MB | 80 MB |
| Age rating | 17+ | 4+ |
| Developer | Special One Co., Ltd. | hyunmin shin |
In-app purchases
KeyPlus3
No in-app purchases
Goutte
No in-app purchases









