# Interfere vs backAR Green Screen

The clearest difference is price: Interfere at Free against backAR Green Screen's $4.99. Interfere also leads on rating (4.5 vs 4.1) and update cadence (every 9 days vs every 2 months). backAR Green Screen's advantage is ratings volume (137 vs 14). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Interfere is free to download; backAR Green Screen costs $4.99 up front. Interfere sells 4 in-app purchases, starting at $1.99 per month and backAR Green Screen sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Interfere holds the better App Store score, 4.5 against 4.1. That said, the two scores are not equally well evidenced: backAR Green Screen has 137 ratings behind it against 14, so its average is the more settled of the two. Written reviews point the same way: 50% of Interfere's written reviews are positive against 33% of backAR Green Screen's.

Interfere ships an update every 9 days, backAR Green Screen every 2 months. The most recent releases landed on September 30, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Interfere | backAR Green Screen |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | **[4.5 (14 ratings)](https://appshunter.io/ios/app/interfere-moire-patterns/id1255287199/reviews)** | [4.1 (137 ratings)](https://appshunter.io/ios/app/backar-green-screen/id1660948574/reviews) |
| Number of ratings | 14 | **137** |
| Positive reviews | **50.0% of reviews** | 33.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 2 months |
| Monetization | Subscription | **Free with in-app purchases** |
| Size | 19 MB | 275 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Fabio Morreale](https://appshunter.io/developer/416447540) | [Elie F. Gebran](https://appshunter.io/developer/552036126) |

## What reviewers say

### Interfere

[App page](https://appshunter.io/ios/app/interfere-moire-patterns/id1255287199)

Create mesmerizing Moiré patterns and algorithmic artworks with an interactive generative drawing tool. Shape evolving geometries by moving control points on the canvas, generating layered variations and emergent structures. Export high-resolution images for further editing in other creative software.

**Highlights:** Generative Moiré and interference patterns, Control line density, curvature, and spacing, Interactive control point manipulation, Real-time pattern evolution, High-resolution JPG and vector export, Educational tool for interference phenomena

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $1.99 | per month |
| Drawing bundle - monthly | $3.99 | per month |
| Lifetime subscription | $9.99 | one-time |
| Drawing bundle - lifetime | $24.99 | one-time |


### backAR Green Screen

[App page](https://appshunter.io/ios/app/backar-green-screen/id1660948574)

Transform your surroundings into immersive 3D virtual environments. This app uses your device's camera to place you within dynamic scenes, allowing you to move and capture photos or videos from any angle with realistic lighting. No physical green screen is required.

**Highlights:** 360° 3D virtual backgrounds, Real-time virtual lighting, Capture photos and videos, Move and shoot from any angle, Import custom backgrounds, No physical green screen needed

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Scenes | $4.99 | one-time |


## Frequently asked questions

### Is Interfere free?

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

### Is backAR Green Screen free?

backAR Green Screen costs $4.99, and also offers in-app purchases.

### Which has better reviews, Interfere or backAR Green Screen?

Interfere is rated higher. Interfere averages 4.5 out of 5 from 14 ratings, while backAR Green Screen averages 4.1 from 137 ratings.

### Do Interfere or backAR Green Screen have ads?

Neither Interfere nor backAR Green Screen shows ads.

### Which is updated more often, Interfere or backAR Green Screen?

Interfere ships an update every 9 days, and backAR Green Screen every 2 months. Most recently, Interfere was updated on September 30, 2026 and backAR Green Screen 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.*