# Realtime Filter vs Duotone Camera

The clearest difference is in-app purchases: Duotone Camera at none against Realtime Filter's 1. Duotone Camera also leads on update cadence (every 3 months vs every 15 months) and device support (3 vs 1). Realtime Filter's advantage is ads (none vs shown). On price there is nothing between them.

Both are free to download. Realtime Filter sells 1 one-off in-app purchase. Duotone Camera asks for nothing beyond the download.

Realtime Filter ships an update every 15 months, Duotone Camera every 3 months. Both last shipped on September 14, 2026.

## The numbers

| Metric | Realtime Filter | Duotone Camera |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/realtime-filter/id1521562701/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 15 months | **Every 3 months** |
| Monetization | Free with in-app purchases | — |
| Size | 1 MB | 15 MB |
| Requires iOS | 18.6 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Raj Sheth](https://appshunter.io/developer/976941598) | [Ryouhei Azuma](https://appshunter.io/developer/1353297781) |

## What reviewers say

### Realtime Filter

[App page](https://appshunter.io/ios/app/realtime-filter/id1521562701)

Instantly transform real-world colors into live photo and video filters. Point your camera at any color, capture it, and apply it as a unique aesthetic to your shots. Save favorite colors and export their values for design work.

**Highlights:** Capture colors from real life, Apply live photo and video filters, Save and reuse favorite colors, Export HEX and RGB color values, Adjust filter opacity and strength, No preset filters

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Save Colors | $0.99 | one-time |


### Duotone Camera

[App page](https://appshunter.io/ios/app/duotone-camera-simple/id6754935262)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Realtime Filter free?

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

### Is Duotone Camera free?

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

### Do Realtime Filter or Duotone Camera have ads?

Duotone Camera shows ads; Realtime Filter does not.

### Which is updated more often, Realtime Filter or Duotone Camera?

Realtime Filter ships an update every 15 months, and Duotone Camera every 3 months. Most recently, Realtime Filter was updated on September 14, 2026 and Duotone Camera on September 14, 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.*