# DORM SDU vs WIT X

The clearest difference is ads: DORM SDU at none against WIT X's shown. DORM SDU also leads on iOS requirement (13.0 vs 18.0). WIT X's advantage is update cadence (every 4 days vs every 6 months). On price, in-app purchases and device support there is nothing between them.

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

DORM SDU ships an update every 6 months, WIT X every 4 days. The most recent releases landed on October 13, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | DORM SDU | WIT X |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 6 months | **Every 4 days** |
| Size | 19 MB | 78 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [GT TECHNOLOGIES COMPANY LIMITED](https://appshunter.io/developer/1592961916) | [Thanathip Singkaew](https://appshunter.io/developer/1780712480) |

## What reviewers say

### DORM SDU

[App page](https://appshunter.io/ios/app/dorm-sdu/id6444823369)

**Features:** macOS Compatibility

**In-app purchases:** none


### WIT X

[App page](https://appshunter.io/ios/app/wit-x/id6752669615)

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

**In-app purchases:** none


## Frequently asked questions

### Is DORM SDU free?

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

### Is WIT X free?

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

### Do DORM SDU or WIT X have ads?

WIT X shows ads; DORM SDU does not.

### Which is updated more often, DORM SDU or WIT X?

DORM SDU ships an update every 6 months, and WIT X every 4 days. Most recently, DORM SDU was updated on October 13, 2026 and WIT X on October 18, 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.*