# beSIM vs CANviewer

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.

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 October 9, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | beSIM | CANviewer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Size | 28 MB | 7 MB |
| Requires iOS | **13** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [ORIENTAL TELECOM (HONG KONG) LIMITED](https://appshunter.io/developer/512859279) | [洋 刘](https://appshunter.io/developer/6775317751) |

## What reviewers say

### beSIM

[App page](https://appshunter.io/ios/app/besim/id6748349583)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### CANviewer

[App page](https://appshunter.io/ios/app/canviewer/id6775532457)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CAN Log Viewer Pro | $3.99 | one-time |


## Frequently asked questions

### Is beSIM free?

beSIM is free to download, with no in-app purchases.

### Is CANviewer free?

CANviewer is free to download, with in-app purchases available.

### Do beSIM or CANviewer have ads?

Neither beSIM nor CANviewer shows ads.

### Which is updated more often, beSIM or CANviewer?

beSIM ships an update monthly, and CANviewer every 3 weeks. Most recently, beSIM was updated on October 9, 2026 and CANviewer on October 4, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*