# SIFF vs Unproven Fallacy

The clearest difference is update cadence: SIFF at fortnightly against Unproven Fallacy's every 6 weeks. On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for SIFF against 5.0 for Unproven Fallacy. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

SIFF ships an update fortnightly, Unproven Fallacy every 6 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | SIFF | Unproven Fallacy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/siff/id1391467867/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/unproven-fallacy/id1568688823/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 6 weeks |
| Monetization | Free | Free |
| Size | 23 MB | 516 MB |
| Requires iOS | 16.2 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai International Film & TV Festival Center](https://appshunter.io/developer/1390947222) | [抱阳 陈](https://appshunter.io/developer/1685776612) |

## What reviewers say

### SIFF

[App page](https://appshunter.io/ios/app/siff/id1391467867)

Access comprehensive information about the Shanghai International Film Festival, including event schedules, venue details with map navigation, and official news. Log in to save your favorite events and view guest information.

**Highlights:** Event schedules and venue details, Map navigation to venues, Official news and announcements, Save favorite events, Guest information

**Features:** macOS Compatibility

**In-app purchases:** none


### Unproven Fallacy

[App page](https://appshunter.io/ios/app/unproven-fallacy/id1568688823)

Experience an artist's imagination through augmented reality. Explore mythical concepts and scientific ideas brought to life in immersive AR environments. Discover a unique blend of art, mythology, and technology.

**Highlights:** Augmented reality artwork, Artist's imagination exploration, Mythological themes, Scientific concepts visualized, Immersive AR experiences

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SIFF free?

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

### Is Unproven Fallacy free?

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

### Which has better reviews, SIFF or Unproven Fallacy?

SIFF and Unproven Fallacy are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do SIFF or Unproven Fallacy have ads?

Neither SIFF nor Unproven Fallacy shows ads.

### Which is updated more often, SIFF or Unproven Fallacy?

SIFF ships an update fortnightly, and Unproven Fallacy every 6 weeks. Most recently, SIFF was updated on November 2, 2026 and Unproven Fallacy on November 3, 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.*