# 2099 Techno vs Reverse Audio · Voice Changer

The clearest difference is ads: 2099 Techno at none against Reverse Audio · Voice Changer's shown. 2099 Techno also leads on update cadence (every 3 days vs weekly) and iOS requirement (15.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. 2099 Techno sells 1 one-off in-app purchase and Reverse Audio · Voice Changer sells 1 in-app purchase, starting at $14.99 per 7 days. Whichever you choose, the download price is not the number that matters.

2099 Techno ships an update every 3 days, Reverse Audio · Voice Changer weekly. The most recent releases landed on October 8, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | 2099 Techno | Reverse Audio · Voice Changer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 days** | Weekly |
| Size | 15 MB | 19 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Soft Brew Mobile](https://appshunter.io/developer/561703410) | [Smart Core Apps](https://appshunter.io/developer/6811583688) |

## What reviewers say

### 2099 Techno

[App page](https://appshunter.io/ios/app/2099-techno-generative-synth/id6806647424)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AUv3 Unlock | $2.99 | one-time |


### Reverse Audio · Voice Changer

[App page](https://appshunter.io/ios/app/reverse-audio-voice-changer/id6812288292)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Reverse Audio Weekly Premium | $14.99 | per 7 days |


## Frequently asked questions

### Is 2099 Techno free?

2099 Techno is free to download, with in-app purchases available.

### Is Reverse Audio · Voice Changer free?

Reverse Audio · Voice Changer is free to download, with in-app purchases available.

### Do 2099 Techno or Reverse Audio · Voice Changer have ads?

Reverse Audio · Voice Changer shows ads; 2099 Techno does not.

### Which is updated more often, 2099 Techno or Reverse Audio · Voice Changer?

2099 Techno ships an update every 3 days, and Reverse Audio · Voice Changer weekly. Most recently, 2099 Techno was updated on October 8, 2026 and Reverse Audio · Voice Changer on October 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.*