# Image Alignment vs Authenticator for Twitch

The clearest difference is in-app purchases: Image Alignment at none against Authenticator for Twitch's 5. Image Alignment also leads on update cadence (fortnightly vs every 6 weeks). Authenticator for Twitch's advantage is ads (none vs shown) and iOS requirement (13.0 vs 17.7.2). On price and device support there is nothing between them.

Both are free to download. Authenticator for Twitch sells 5 in-app purchases, starting at $4.99 per 7 days. Image Alignment asks for nothing beyond the download.

Image Alignment ships an update fortnightly, Authenticator for Twitch every 6 weeks. The most recent releases landed on September 30, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Image Alignment | Authenticator for Twitch |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 6 weeks |
| Size | 84 MB | 52 MB |
| Requires iOS | 17.7.2 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) | [GCCY LTD](https://appshunter.io/developer/1842123282) |

## What reviewers say

### Image Alignment

[App page](https://appshunter.io/ios/app/image-alignment/id6511211319)

**Features:** macOS Compatibility

**In-app purchases:** none


### Authenticator for Twitch

[App page](https://appshunter.io/ios/app/authenticator-for-twitch/id6753011078)

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly-Trial | $4.99 | per 7 days |
| Weekly | $4.99 | per 7 days |
| Monthly | $12.99 | per month |
| Yearly | $39.99 | per year |
| Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is Image Alignment free?

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

### Is Authenticator for Twitch free?

Authenticator for Twitch is free to download, with in-app purchases available.

### Do Image Alignment or Authenticator for Twitch have ads?

Image Alignment shows ads; Authenticator for Twitch does not.

### Which is updated more often, Image Alignment or Authenticator for Twitch?

Image Alignment ships an update fortnightly, and Authenticator for Twitch every 6 weeks. Most recently, Image Alignment was updated on September 30, 2026 and Authenticator for Twitch 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.*