# WONDER onSITE vs AI Using Guide

WONDER onSITE and AI Using Guide are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

WONDER onSITE ships an update fortnightly, AI Using Guide every 9 days. The most recent releases landed on November 11, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | WONDER onSITE | AI Using Guide |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 9 days** |
| Size | 27 MB | 145 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Deutsche WindGuard Systems GmbH](https://appshunter.io/developer/1542965155) | [Man Hung Sun](https://appshunter.io/developer/1471605573) |

## What reviewers say

### WONDER onSITE

[App page](https://appshunter.io/ios/app/wonder-onsite/id1542965153)

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

**In-app purchases:** none


### AI Using Guide

[App page](https://appshunter.io/ios/app/ai-using-guide-simple-and-easy/id6446217928)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is WONDER onSITE free?

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

### Is AI Using Guide free?

AI Using Guide is free to download, with no in-app purchases.

### Do WONDER onSITE or AI Using Guide have ads?

Neither WONDER onSITE nor AI Using Guide shows ads.

### Which is updated more often, WONDER onSITE or AI Using Guide?

WONDER onSITE ships an update fortnightly, and AI Using Guide every 9 days. Most recently, WONDER onSITE was updated on November 11, 2026 and AI Using Guide 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.*