# SANWU Torch vs Vision Viewer

The clearest difference is ads: SANWU Torch at none against Vision Viewer's shown. Vision Viewer's advantage is update cadence (every 3 weeks vs every 8 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SANWU Torch ships an update every 8 months, Vision Viewer every 3 weeks. The most recent releases landed on October 14, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | SANWU Torch | Vision Viewer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 8 months | **Every 3 weeks** |
| Size | 22 MB | 61 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [爱新 周](https://appshunter.io/developer/1581769206) | [YOON HO YOUNG](https://appshunter.io/developer/1864792745) |

## What reviewers say

### SANWU Torch

[App page](https://appshunter.io/ios/app/sanwu-torch/id6502980491)

**Features:** macOS Compatibility

**In-app purchases:** none


### Vision Viewer

[App page](https://appshunter.io/ios/app/vision-viewer/id6757133739)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SANWU Torch free?

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

### Is Vision Viewer free?

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

### Do SANWU Torch or Vision Viewer have ads?

Vision Viewer shows ads; SANWU Torch does not.

### Which is updated more often, SANWU Torch or Vision Viewer?

SANWU Torch ships an update every 8 months, and Vision Viewer every 3 weeks. Most recently, SANWU Torch was updated on October 14, 2026 and Vision Viewer on October 17, 2026.

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