# Neon Engine vs ConvertiSlowed

The clearest difference is ads: Neon Engine at none against ConvertiSlowed's shown. ConvertiSlowed's advantage is update cadence (monthly vs every 5 months). 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.

Neon Engine ships an update every 5 months, ConvertiSlowed monthly. The most recent releases landed on September 14, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Neon Engine | ConvertiSlowed |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 5 months | **Monthly** |
| Size | 3 MB | 42 MB |
| Requires iOS | 17.6 | **16.4** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [JUNGYUN JO](https://appshunter.io/developer/1597055392) | [Mickael Barthemy](https://appshunter.io/developer/1844241930) |

## What reviewers say

### Neon Engine

[App page](https://appshunter.io/ios/app/neon-engine/id6758552019)

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

**In-app purchases:** none


### ConvertiSlowed

[App page](https://appshunter.io/ios/app/convertislowed/id6779308185)

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

**In-app purchases:** none


## Frequently asked questions

### Is Neon Engine free?

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

### Is ConvertiSlowed free?

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

### Do Neon Engine or ConvertiSlowed have ads?

ConvertiSlowed shows ads; Neon Engine does not.

### Which is updated more often, Neon Engine or ConvertiSlowed?

Neon Engine ships an update every 5 months, and ConvertiSlowed monthly. Most recently, Neon Engine was updated on September 14, 2026 and ConvertiSlowed on September 30, 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.*