KJ Pole ID vs CyberBrick
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
KJ Pole ID
Determine the north or south pole of a magnet facing your device. It also alerts you if a magnet is too close to your phone. An essential tool for anyone working with magnets.
- Identify north pole
- Identify south pole
- Detect magnet proximity
- Magnet usage tool
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Identify the poles of a magnet with the K&J Pole ID! This app lets you know which pole, north or south, is facing your phone. It will also tell you if a magnet is too close to your phone. The K&J Pole ID app, by K&J Magnetics, is a must have for anyone who uses magnets!
CyberBrick
Control and configure microcontroller projects wirelessly via Bluetooth. Browse, download, and load projects directly from your smartphone. Preview assembly instructions and control configurations before implementation.
- Bluetooth microcontroller connection
- Remote project loading
- Control configuration preview
- Assembly instruction preview
- Project browsing and downloading
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- Preview items in the project, such as control configuration, assembly instructions, and more - Connecting to microcontroller units via Bluetooth - Remotely loading downloaded projects into the microcontroller Users can browse, download, load and configure these projects with their smartphone, wirelessly connected to the CyberBrick microcontrollers via Bluetooth.
Screenshots
Verdict
The clearest difference is review sentiment: KJ Pole ID at 89% against CyberBrick's 38%. KJ Pole ID also leads on rating (4.5 vs 3.8) and iOS requirement (10.3 vs 15.0). CyberBrick's advantage is update cadence (every 2 months vs every 10 months). On price, ratings volume, ads and in-app purchases 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.
KJ Pole ID holds the better App Store score, 4.5 against 3.8. Both are backed by a comparable volume of ratings — 26 and 11 respectively. Written reviews point the same way: 89% of KJ Pole ID's written reviews are positive against 38% of CyberBrick's.
KJ Pole ID ships an update every 10 months, CyberBrick every 2 months. The most recent releases landed on November 2, 2026 and November 6, 2026 respectively.
| Parameter | KJ Pole ID | CyberBrick |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (26 ratings) — better | 3.8 (11 ratings) |
| Positive reviews | 88.9% of reviews — better | 37.5% of reviews |
| Number of ratings | 26 — better | 11 |
| Update frequency | Every 10 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 10.3 — better | 15.0 |
| Further details — not scored | ||
| Size | 20 MB | 80 MB |
| Age rating | 4+ | 4+ |
| Developer | K&J Magnetics, Inc. | 上海轮廓科技有限公司 |
Customer experience
KJ Pole ID
CyberBrick
In-app purchases
KJ Pole ID
No in-app purchases
CyberBrick
No in-app purchases
