# Reciprocity Plus vs Filter Simulation

The clearest difference is price: Filter Simulation at Free against Reciprocity Plus's $1.99. Filter Simulation also leads on rating (5.0 vs 4.1) and review sentiment (100% vs 70%). On ratings volume, ads, in-app purchases and device support there is nothing between them.

Filter Simulation is free to download; Reciprocity Plus costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Filter Simulation holds the better App Store score, 5.0 against 4.1. Both are backed by a comparable volume of ratings — 7 and 3 respectively. Written reviews point the same way: 70% of Reciprocity Plus's written reviews are positive against 100% of Filter Simulation's.

Reciprocity Plus ships an update every 4 months, Filter Simulation monthly. The most recent releases landed on October 10, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Reciprocity Plus | Filter Simulation |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [4.1 (7 ratings)](https://appshunter.io/ios/app/reciprocity-plus/id898649178/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/filter-simulation/id6747726359/reviews)** |
| Number of ratings | **7** | 3 |
| Positive reviews | 70.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | Paid | **Free** |
| Size | 8 MB | 1 MB |
| Requires iOS | **15.6** | 16.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Le bord de la piscine](https://appshunter.io/developer/456593417) | [Ari Jaaksi](https://appshunter.io/developer/1770069317) |

## What reviewers say

### Reciprocity Plus

[App page](https://appshunter.io/ios/app/reciprocity-plus/id898649178)

This app simplifies long exposure photography calculations for both digital and analog cameras. It includes a vast library of filter effects and reciprocity charts, allowing users to design or modify their own. A built-in timer ensures accurate exposure timing even when the app is not in use.

**Highlights:** Long exposure calculation, 29 filter effects (CTO, CTB, ND, etc.), 110+ reciprocity charts, Customizable chart design, Built-in timer, Support for digital and analog photography

**Features:** Vision Pro support

**In-app purchases:** none


### Filter Simulation

[App page](https://appshunter.io/ios/app/filter-simulation/id6747726359)

Simulate the effects of real optical filters for black and white photography. This app accurately mimics the luminance modulation of red, yellow, green, blue, and orange filters. It also includes an automatic shutter speed calculator for ND filters and a pinhole photography simulator.

**Highlights:** Simulate optical filters for B&W, Mimics red, yellow, green, blue, orange filters, Custom CIColorKernel shaders, Automatic shutter speed calculator for ND filters, Pinhole photograph simulation

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Reciprocity Plus free?

Reciprocity Plus costs $1.99, with no in-app purchases.

### Is Filter Simulation free?

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

### Which has better reviews, Reciprocity Plus or Filter Simulation?

Filter Simulation is rated higher. Reciprocity Plus averages 4.1 out of 5 from 7 ratings, while Filter Simulation averages 5.0 from 3 ratings.

### Do Reciprocity Plus or Filter Simulation have ads?

Neither Reciprocity Plus nor Filter Simulation shows ads.

### Which is updated more often, Reciprocity Plus or Filter Simulation?

Reciprocity Plus ships an update every 4 months, and Filter Simulation monthly. Most recently, Reciprocity Plus was updated on October 10, 2026 and Filter Simulation on October 6, 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.*