PocketJS vs BlueSim
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Create JavaScript code
- Save code as .js files
- JavaScript console
- Execute JavaScript files offline
- Syntax highlighting
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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.
BlueSim
Simulate a Bluetooth Low Energy peripheral to test or debug other devices. Send custom data to a central device, facilitating development and troubleshooting.
- Bluetooth LE peripheral simulation
- Custom data transfer
- Device testing and debugging
- Supports central/host devices
- iPhone and iPad compatible
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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
Verdict
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
PocketJS is free to download; BlueSim costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
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.
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.
| Parameter | PocketJS | BlueSim |
|---|---|---|
| Price | Free — better | $4.99 |
| Rating | 4.3 (6 ratings) | 5.0 (4 ratings) — better |
| Positive reviews | 66.7% of reviews | — |
| Number of ratings | 6 — better | 4 |
| Update frequency | Every 3 days — better | Every 5 days |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported — better | Paid |
| Best chart rank | — | #9 — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 5 MB | 6 MB |
| Age rating | +4 | 4+ |
| Developer | PAMA games | Brandon Fraune |
Customer experience
PocketJS
BlueSim
In-app purchases
PocketJS
No in-app purchases
BlueSim
No in-app purchases









