手环钥匙 vs Lunar Memory
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
手环钥匙
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BYD DiBand是一款将智能穿戴理念引入汽车行业的创新产品,具备汽车智能钥匙和运动手环的双重功能。用户只需佩戴手环即可轻松实现解闭锁车门、一键启动、运动监测、智能提醒等功能,带给您不一样的体验。
Lunar Memory
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Never forget an important date again – even on the lunar calendar. Lunar Memory reminds you of birthdays, anniversaries, memorials, and traditional events that follow the lunar calendar. Perfect for users who celebrate important days based on East Asian lunar traditions. ▶ Add and track lunar birthdays, memorials, and other events ▶ Get automatic yearly reminders based on solar (Gregorian) dates ▶ Easy lunar–solar date conversion ▶ Simple and intuitive design Whether it's your grandmother’s lunar birthday or an ancestral memorial day, Lunar Memory ensures you never miss it again.
Screenshots
Verdict
The clearest difference is iOS requirement: 手环钥匙 at 9.0 against Lunar Memory's 15.0. 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.
手环钥匙 ships an update fortnightly, Lunar Memory every 3 weeks. The most recent releases landed on October 20, 2026 and October 7, 2026 respectively.
| Parameter | 手环钥匙 | Lunar Memory |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 65.0% of reviews | — |
| Update frequency | Fortnightly — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 9.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 44 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | BYD Auto Industry Company Limited | hyukjoo kwon |
In-app purchases
手环钥匙
No in-app purchases
Lunar Memory
No in-app purchases









