Comparison

INFINIT SMART KEY vs Run Custom JS on Background

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

INFINIT SMART KEY

Features
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The mobile application interacts with a custom board that can accommodate any physical key, such as a car key or shutter key. This board transforms the physical key into a smart key, providing digital functionality. Once connected to the app, users can manage their smart keys through their mobile phones, allowing them to lock or unlock the car, control the shutters, and define remote access permissions. This system enhances security by eliminating the need for traditional keys and offering real-time control—all within an easy-to-use app interface. Whether at home, in the car, or on the go, the app delivers a seamless experience for users to control and monitor access effortlessly.

About

Run Custom JS on Background

Features
Read full description

・Runs custom JavaScript code continuously in Safari ・Supports a wide range of functions, including automatic bookmarklet execution, ad blocking, and automation. ・Easily paste code using the Paste button ・Supports import and export. You can instantly transfer your settings to other devices.

Screenshots

INFINIT SMART KEY3 screens
Run Custom JS on Background3 screens

Verdict

The call

The clearest difference is update cadence: INFINIT SMART KEY at every 5 weeks against Run Custom JS on Background's every 4 months. INFINIT SMART KEY also leads on iOS requirement (12.0 vs 17.6). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

INFINIT SMART KEY ships an update every 5 weeks, Run Custom JS on Background every 4 months. The most recent releases landed on November 8, 2026 and November 5, 2026 respectively.

Scorecard2 real differences · 4 level
INFINIT SMART KEY versus Run Custom JS on Background: the parameters behind the verdict, then further details
ParameterINFINIT SMART KEYRun Custom JS on Background
PriceFreeFree
Update frequencyEvery 5 weeks — betterEvery 4 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better17.6
Further details — not scored
Size54 MB1 MB
Age rating4+4+
DeveloperHatem AlsehimiTakada Hiroki

In-app purchases

None

INFINIT SMART KEY

No in-app purchases

None

Run Custom JS on Background

No in-app purchases

Questions

Is INFINIT SMART KEY free?
INFINIT SMART KEY is free to download, with no in-app purchases.
Is Run Custom JS on Background free?
Run Custom JS on Background is free to download, with no in-app purchases.
Do INFINIT SMART KEY or Run Custom JS on Background have ads?
Neither INFINIT SMART KEY nor Run Custom JS on Background shows ads.
Which is updated more often, INFINIT SMART KEY or Run Custom JS on Background?
INFINIT SMART KEY ships an update every 5 weeks, and Run Custom JS on Background every 4 months. Most recently, INFINIT SMART KEY was updated on November 8, 2026 and Run Custom JS on Background on November 5, 2026.

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