beSIM vs CANviewer
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
beSIM
Read full descriptionHide full description
้่ฟ่็่ฟๆฅๆจ็ๅฎๅถ่ฎพๅค๏ผๅๆถ้ซๆ็ๅฑ็คบๆจ้่ฆ็ไฟกๆฏ
CANviewer
Read full descriptionHide full description
CANviewer is a CAN log viewing tool designed for automotive electronics, ECU debugging, and field analysis. You can import ASC and BLF CAN logs on iPhone, quickly view message time, CAN ID, direction, channel, DLC, and data bytes, and filter the messages you need by CAN ID, Rx/Tx, and channel. After importing a DBC file, CANviewer can decode raw CAN data based on the signal definitions in the DBC file, convert hexadecimal data into physical values, and plot signal trends over time. Key features: - Import and view ASC / BLF CAN logs - Filter messages by CAN ID, Rx/Tx, and channel - Import DBC files and parse messages and signals - Decode CAN data into physical signal values - Compare multiple signal curves - View curves in combined or separate charts - Display X/Y axes, units, and data ranges - Tap a curve to inspect the exact time and value - Works offline; imported files are not uploaded Use cases: - Quickly inspect CAN logs in the field - Analyze ECU signal trends - Validate DBC signal definitions - Support vehicle debugging and troubleshooting - Assist engineers during road tests, business trips, and service work CANviewer is not intended to replace complex desktop tools. It is a lightweight and direct mobile tool for CAN log viewing and signal analysis.
Screenshots
Verdict
The clearest difference is in-app purchases: beSIM at none against CANviewer's 1. beSIM also leads on iOS requirement (13 vs 16.0). On price, update cadence, ads and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. CANviewer sells 1 one-off in-app purchase. beSIM asks for nothing beyond the download.
beSIM ships an update monthly, CANviewer every 3 weeks. The most recent releases landed on September 23, 2026 and October 4, 2026 respectively.
| Parameter | beSIM | CANviewer |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly | Every 3 weeks โ better |
| Ads | No | No |
| In-app purchases | No โ better | Yes |
| Devices | iPhone, iPod โ better | iPhone |
| Requires iOS | 13 โ better | 16.0 |
| Further details โ not scored | ||
| Size | 28 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | ORIENTAL TELECOM (HONG KONG) LIMITED | ๆด ๅ |
In-app purchases
beSIM
No in-app purchases
CANviewer
- CAN Log Viewer Pro$3.99









