# Catheria vs Syn

The clearest difference is ads: Catheria at none against Syn's shown. Syn's advantage is update cadence (every 6 days vs every 3 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Catheria sells 4 one-off in-app purchases and Syn sells 3 in-app purchases, starting at $9.00 per month. Whichever you choose, the download price is not the number that matters.

Catheria ships an update every 3 months, Syn every 6 days. The most recent releases landed on October 26, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Catheria | Syn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (51 ratings)](https://appshunter.io/ios/app/syn-fx-video-editor-and-effects/id6737611531/reviews)** |
| Number of ratings | — | **51** |
| Positive reviews | — | 85.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 6 days** |
| Monetization | — | Free with in-app purchases |
| Size | 2 MB | 61 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Torpong Kasosod](https://appshunter.io/developer/1043892389) | [SYN-FX LP](https://appshunter.io/developer/1777238079) |

## What reviewers say

### Catheria

[App page](https://appshunter.io/ios/app/catheria/id1043892390)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.99 | one-time |
| Medium Tip | $1.99 | one-time |
| Large Tip | $4.99 | one-time |
| Enormous Tip | $9.99 | one-time |


### Syn

[App page](https://appshunter.io/ios/app/syn-fx-video-editor-and-effects/id6737611531)

Create cinematic videos with advanced editing tools and visual effects. Add music, text, transitions, and remove backgrounds. Perfect for filmmakers and content creators on the go.

**Highlights:** Multi-track video editing, Cinematic visual effects (Neon, Glitch, VHS), Background removal & shape masks, Advanced animation tools, Slow motion & speed control, GIF maker, Live camera effects

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Syn-FX Pro - Monthly | $9.00 | per month |
| Syn-FX Pro Half-Yearly | $42.00 | per 6 months |
| Syn-FX Pro - Yearly | $60.00 | per year |


## Frequently asked questions

### Is Catheria free?

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

### Is Syn free?

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

### Do Catheria or Syn have ads?

Syn shows ads; Catheria does not.

### Which is updated more often, Catheria or Syn?

Catheria ships an update every 3 months, and Syn every 6 days. Most recently, Catheria was updated on October 26, 2026 and Syn on November 4, 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.*