# Zync AI vs SumFilm

The clearest difference is update cadence: SumFilm at weekly against Zync AI's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Zync AI ships an update every 3 months, SumFilm weekly. The most recent releases landed on October 7, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Zync AI | SumFilm |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Size | 28 MB | 151 MB |
| Requires iOS | **15.1** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Zync AI Inc](https://appshunter.io/developer/1782854390) | [Kang Dong Ho](https://appshunter.io/developer/437438348) |

## What reviewers say

### Zync AI

[App page](https://appshunter.io/ios/app/zync-ai/id6738907299)

**Features:** macOS Compatibility

**In-app purchases:** none


### SumFilm

[App page](https://appshunter.io/ios/app/sumfilm/id6743380501)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Zync AI free?

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

### Is SumFilm free?

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

### Do Zync AI or SumFilm have ads?

Neither Zync AI nor SumFilm shows ads.

### Which is updated more often, Zync AI or SumFilm?

Zync AI ships an update every 3 months, and SumFilm weekly. Most recently, Zync AI was updated on October 7, 2026 and SumFilm on October 28, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*