MagicLockBox vs KL500A
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MagicLockBox
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It is an application for "Magic Lock Box" that enables you to operate the smart key of i car with iPhone. With this app, you can now use your iPhone to perform operations similar to those of a car's smart key, and you no longer have to carry your smart key with you. Of course, it is possible to register multiple smart keys.
KL500A
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KL500 A系列电压电流表是一款能测量电压、电流、功率、充放电容量、瓦时、时间等多种物理参数的新型库仑计， 同时也可以设定参数实现过压保护、欠压保护、过流保护、过功率保护、过温保护及限时保护等多种保护功能。 该仪表能够自动识别电流的方向，并且对电池容量可以进行实时监控且采用彩色液晶显示被测数据，显示信息全面、人性化。 KL500A系列电压电流表在原有功能基础上加入电压电流曲线显示及导出的功能，同时可以使用手机 APP控制显示，也可以实时对固件进行更新升
Screenshots
Verdict
The clearest difference is update cadence: KL500A at every 4 weeks against MagicLockBox's every 2 months. KL500A also leads on iOS requirement (11.0 vs 15.6). On price, ads, in-app purchases and device support 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.
MagicLockBox ships an update every 2 months, KL500A every 4 weeks. The most recent releases landed on August 26, 2026 and September 19, 2026 respectively.
| Parameter | MagicLockBox | KL500A |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Every 4 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 11.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 31 MB |
| Age rating | 4+ | 17+ |
| Developer | SYSTEM DESIGN CORP | 磊磊 周 |
In-app purchases
MagicLockBox
No in-app purchases
KL500A
No in-app purchases
