Comparison

PocketJS vs BlueSim

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

Head to head
About

PocketJS

This app allows users to create and execute JavaScript code directly on their device. It features a console for experimentation and supports saving code as .js files with syntax highlighting. More features and customization options are planned.

Highlights
  • Create JavaScript code
  • Save code as .js files
  • JavaScript console
  • Execute JavaScript files offline
  • Syntax highlighting
Features
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• Create JavaScript Code on the Fly & save them as ".js" files • Play around in the JavaScript-Console • Execute JavaScript Files directly on device ( NO network connection needed ) • Syntax Highlighting more features & colors to come.. From coders for coders.

About

BlueSim

Simulate a Bluetooth Low Energy peripheral to test or debug other devices. Send custom data to a central device, facilitating development and troubleshooting.

Highlights
  • Bluetooth LE peripheral simulation
  • Custom data transfer
  • Device testing and debugging
  • Supports central/host devices
  • iPhone and iPad compatible
Features
Read full description

BlueSim turns your phone into a customizable Bluetooth LE (BLE) peripheral. This enables you to test or debug a separate "central" or "host" device with the data of your choice. Using this app, you can transfer data between the device running this app and another device operating in the Bluetooth central role.

Screenshots

PocketJS4 screens
BlueSim4 screens

Verdict

The call

The clearest difference is price: PocketJS at Free against BlueSim's $4.99. PocketJS also leads on iOS requirement (13.0 vs 16.4). BlueSim's advantage is rating (5.0 vs 4.3) and ads (none vs shown). On ratings volume, update cadence, 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

PocketJS is free to download; BlueSim costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

BlueSim holds the better App Store score, 5.0 against 4.3. Both are backed by a comparable volume of ratings — 6 and 4 respectively.

UpkeepUpdate frequency

PocketJS ships an update every 3 days, BlueSim every 5 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

Scorecard6 real differences · 5 level
PocketJS versus BlueSim: the parameters behind the verdict, then further details
ParameterPocketJSBlueSim
PriceFree — better$4.99
Rating4.3 (6 ratings)5.0 (4 ratings) — better
Positive reviews66.7% of reviews—
Number of ratings6 — better4
Update frequencyEvery 3 days — betterEvery 5 days
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supported — betterPaid
Best chart rank—#9 — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better16.4
Further details — not scored
Size5 MB6 MB
Age rating+44+
DeveloperPAMA gamesBrandon Fraune

Customer experience

PocketJS

All ratings6 ratings
Positive83.3%
Neutral16.7%
Negative0.0%
Written reviews3 reviews
Positive66.7%
Neutral33.3%
Negative0.0%

BlueSim

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

PocketJS

No in-app purchases

None

BlueSim

No in-app purchases

Questions

Is PocketJS free?
PocketJS is free to download, with no in-app purchases.
Is BlueSim free?
BlueSim costs $4.99, with no in-app purchases.
Which has better reviews, PocketJS or BlueSim?
BlueSim is rated higher. PocketJS averages 4.3 out of 5 from 6 ratings, while BlueSim averages 5.0 from 4 ratings.
Do PocketJS or BlueSim have ads?
PocketJS shows ads; BlueSim does not.
Which is updated more often, PocketJS or BlueSim?
PocketJS ships an update every 3 days, and BlueSim every 5 days. Most recently, PocketJS was updated on October 24, 2026 and BlueSim on October 25, 2026.

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