# Udaff vs Spider Speed Devourer

The clearest difference is ads: Udaff at none against Spider Speed Devourer's shown. Udaff also leads on update cadence (every 5 days vs every 2 months). Spider Speed Devourer's advantage is iOS requirement (13.0 vs 18.0). 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.

Udaff ships an update every 5 days, Spider Speed Devourer every 2 months. The most recent releases landed on September 28, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Udaff | Spider Speed Devourer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 5 days** | Every 2 months |
| Size | 51 MB | 546 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Andy Khristoforof](https://appshunter.io/developer/1751949334) | [海明 林](https://appshunter.io/developer/1335933113) |

## What reviewers say

### Udaff

[App page](https://appshunter.io/ios/app/udaff/id6748914774)

**Features:** macOS Compatibility

**In-app purchases:** none


### Spider Speed Devourer

[App page](https://appshunter.io/ios/app/spider-speed-devourer/id6758136092)

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

**In-app purchases:** none


## Frequently asked questions

### Is Udaff free?

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

### Is Spider Speed Devourer free?

Spider Speed Devourer is free to download, with no in-app purchases.

### Do Udaff or Spider Speed Devourer have ads?

Spider Speed Devourer shows ads; Udaff does not.

### Which is updated more often, Udaff or Spider Speed Devourer?

Udaff ships an update every 5 days, and Spider Speed Devourer every 2 months. Most recently, Udaff was updated on September 28, 2026 and Spider Speed Devourer on September 20, 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.*