# SelfieTwist vs KOETRON

The clearest difference is in-app purchases: KOETRON at none against SelfieTwist's 1. SelfieTwist's advantage is ads (none vs shown) and update cadence (every 2 months vs every 6 months). On price and device support there is nothing between them.

Both are free to download. SelfieTwist sells 1 in-app purchase, starting at $9.99 per year. KOETRON asks for nothing beyond the download.

SelfieTwist ships an update every 2 months, KOETRON every 6 months. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | SelfieTwist | KOETRON |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/selfietwist/id6642683000/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 6 months |
| Monetization | Freemium | — |
| Size | 37 MB | 46 MB |
| Requires iOS | **13.4** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Matt Smith](https://appshunter.io/developer/1763527451) | [SACHIKO HAMATSU](https://appshunter.io/developer/1819856338) |

## What reviewers say

### SelfieTwist

[App page](https://appshunter.io/ios/app/selfietwist/id6642683000)

Easily transform your videos with a single tap using a variety of audio and visual effects. Adjust voice pitch, video speed, and add fun twists like reversal or robotic voices. Share your creations instantly to social media or save them to your device.

**Highlights:** One-tap video effects, Audio pitch and voice modification, Video speed adjustment, Video reversal and filters, User-friendly interface, Direct social media sharing

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Access | $9.99 | per year |


### KOETRON

[App page](https://appshunter.io/ios/app/koetron/id6751819556)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SelfieTwist free?

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

### Is KOETRON free?

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

### Do SelfieTwist or KOETRON have ads?

KOETRON shows ads; SelfieTwist does not.

### Which is updated more often, SelfieTwist or KOETRON?

SelfieTwist ships an update every 2 months, and KOETRON every 6 months. Most recently, SelfieTwist was updated on October 24, 2026 and KOETRON on October 10, 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.*