# Wonder Audio Guide vs PasserBy

The clearest difference is ads: PasserBy at none against Wonder Audio Guide's shown. Wonder Audio Guide's advantage is iOS requirement (15.6 vs 26.0). On price, update cadence, 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.

Both ship on a similar rhythm, roughly every 5 days. The most recent releases landed on October 25, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Wonder Audio Guide | PasserBy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 5 days | Every 5 days |
| Size | 9 MB | 1 MB |
| Requires iOS | **15.6** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jiayi Zhu](https://appshunter.io/developer/1724878773) | [Tom Nicholas](https://appshunter.io/developer/1891346166) |

## What reviewers say

### Wonder Audio Guide

[App page](https://appshunter.io/ios/app/wonder-audio-guide/id6475700256)

**In-app purchases:** none


### PasserBy

[App page](https://appshunter.io/ios/app/passerby/id6761765417)

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

**In-app purchases:** none


## Frequently asked questions

### Is Wonder Audio Guide free?

Wonder Audio Guide is free to download, with no in-app purchases.

### Is PasserBy free?

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

### Do Wonder Audio Guide or PasserBy have ads?

Wonder Audio Guide shows ads; PasserBy does not.

### Which is updated more often, Wonder Audio Guide or PasserBy?

Wonder Audio Guide ships an update every 5 days, and PasserBy every 5 days. Most recently, Wonder Audio Guide was updated on October 25, 2026 and PasserBy on October 5, 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.*