# Quad Map vs Reverse Audio & Voice Effects

The clearest difference is ads: Reverse Audio & Voice Effects at none against Quad Map's shown. Reverse Audio & Voice Effects also leads on update cadence (every 4 days vs every 2 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Quad Map ships an update every 2 weeks, Reverse Audio & Voice Effects every 4 days. The most recent releases landed on October 5, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Quad Map | Reverse Audio & Voice Effects |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Size | 35 MB | 71 MB |
| Requires iOS | 15.8.3 | **15.6** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) | [Kevin Ghori](https://appshunter.io/developer/1639082610) |

## What reviewers say

### Quad Map

[App page](https://appshunter.io/ios/app/quad-map/id6742085652)

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

**In-app purchases:** none


### Reverse Audio & Voice Effects

[App page](https://appshunter.io/ios/app/reverse-audio-and-voice-effects/id6755462410)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Quad Map free?

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

### Is Reverse Audio & Voice Effects free?

Reverse Audio & Voice Effects is free to download, with no in-app purchases.

### Do Quad Map or Reverse Audio & Voice Effects have ads?

Quad Map shows ads; Reverse Audio & Voice Effects does not.

### Which is updated more often, Quad Map or Reverse Audio & Voice Effects?

Quad Map ships an update every 2 weeks, and Reverse Audio & Voice Effects every 4 days. Most recently, Quad Map was updated on October 5, 2026 and Reverse Audio & Voice Effects on October 7, 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.*