# tabkuma vs Sketch Viewer UP

The clearest difference is ads: Sketch Viewer UP at none against tabkuma's shown. Sketch Viewer UP also leads on update cadence (every 8 days vs every 4 weeks) and iOS requirement (13.0 vs 18.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. tabkuma sells 1 one-off in-app purchase and Sketch Viewer UP sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

tabkuma ships an update every 4 weeks, Sketch Viewer UP every 8 days. Both last shipped on November 3, 2026.

## The numbers

| Metric | tabkuma | Sketch Viewer UP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.6 (10 ratings)](https://appshunter.io/ios/app/sketch-viewer-up-model-browser/id6447847214/reviews)** |
| Number of ratings | — | **10** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 weeks | **Every 8 days** |
| Monetization | — | Free with in-app purchases |
| Size | 15 MB | 40 MB |
| Requires iOS | 18.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Mitsuhiko Aizawa](https://appshunter.io/developer/1290963127) | [骁宇 陈](https://appshunter.io/developer/1836429187) |

## What reviewers say

### tabkuma

[App page](https://appshunter.io/ios/app/tabkuma/id1467399105)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 広告の非表示 | $3.99 | one-time |


### Sketch Viewer UP

[App page](https://appshunter.io/ios/app/sketch-viewer-up-model-browser/id6447847214)

This application allows users to import and view 3D models from various professional design software. It supports a wide range of file formats, making it convenient for designers, engineers, and students to access and analyze 3D drawings on their mobile devices.

**Highlights:** Import and view 3D drawings, Supports multiple professional 3D file formats, Collection of standard industry libraries, Mobile 3D viewing software, Professional CAD drawing and modeling

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 一季度会员 | $9.99 | one-time |
| 一年会员 | $24.99 | one-time |
| 永久会员 | $29.99 | one-time |


## Frequently asked questions

### Is tabkuma free?

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

### Is Sketch Viewer UP free?

Sketch Viewer UP is free to download, with in-app purchases available.

### Do tabkuma or Sketch Viewer UP have ads?

tabkuma shows ads; Sketch Viewer UP does not.

### Which is updated more often, tabkuma or Sketch Viewer UP?

tabkuma ships an update every 4 weeks, and Sketch Viewer UP every 8 days. Most recently, tabkuma was updated on November 3, 2026 and Sketch Viewer UP on November 3, 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.*