# Tunna vs CANviewer

The clearest difference is in-app purchases: Tunna at none against CANviewer's 1. Tunna also leads on device support (3 vs 1). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. CANviewer sells 1 one-off in-app purchase. Tunna asks for nothing beyond the download.

Tunna ships an update every 2 weeks, CANviewer every 3 weeks. The most recent releases landed on September 30, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Tunna | CANviewer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (6 ratings)](https://appshunter.io/ios/app/tunna/id6471652937/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 90.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Paid | — |
| Size | 43 MB | 7 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [One-Two Development, LLC](https://appshunter.io/developer/1715804897) | [洋 刘](https://appshunter.io/developer/6775317751) |

## What reviewers say

### Tunna

[App page](https://appshunter.io/ios/app/tunna/id6471652937)

This powerful proxy client for iOS offers granular control over network traffic, supporting multiple protocols. It features intelligent on-demand connections, real-time node health monitoring, and zero-downtime configuration updates. Optimized for battery efficiency, it allows advanced split tunneling across multiple nodes.

**Highlights:** Granular traffic routing by domain, IP, or port, Layer 7 and Layer 4 protocol-based rules, iOS On-Demand for automatic connection activation, Live node health and RTT checker, Zero-downtime configuration updates, Multi-node support for advanced split tunneling, Battery-efficient design

**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 Tunna free?

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

### Is CANviewer free?

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

### Do Tunna or CANviewer have ads?

Neither Tunna nor CANviewer shows ads.

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

Tunna ships an update every 2 weeks, and CANviewer every 3 weeks. Most recently, Tunna was updated on September 30, 2026 and CANviewer on September 17, 2026.

---

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