MagicLockBox vs Viper Demo
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.
Viper Demo
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The Viper Demo App allows you to connect to one or more StressVest Vipers, activate functions, and see battery information. Your iPhone or iPad will search and display nearby StressVest Vipers.
Screenshots
Verdict
The clearest difference is update cadence: MagicLockBox at every 2 months against Viper Demo's every 9 months. 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, Viper Demo every 9 months. The most recent releases landed on October 11, 2026 and October 2, 2026 respectively.
| Parameter | MagicLockBox | Viper Demo |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months — better | Every 9 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod, Apple Watch — better | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 14.4 — better |
| Further details — not scored | ||
| Size | 3 MB | 3 MB |
| Age rating | 4+ | 17+ |
| Developer | SYSTEM DESIGN CORP | Setcan Corporation |
In-app purchases
MagicLockBox
No in-app purchases
Viper Demo
No in-app purchases
