# Filter Simulation vs Silverlog Scan

The clearest difference is in-app purchases: Filter Simulation at none against Silverlog Scan's 5. Silverlog Scan's advantage is update cadence (every 4 days vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Silverlog Scan sells 5 one-off in-app purchases. Filter Simulation asks for nothing beyond the download.

Filter Simulation ships an update monthly, Silverlog Scan every 4 days. The most recent releases landed on October 6, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Filter Simulation | Silverlog Scan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/filter-simulation/id6747726359/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 days** |
| Monetization | Free | — |
| Size | 1 MB | 40 MB |
| Requires iOS | 16.6 | **16.4** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Ari Jaaksi](https://appshunter.io/developer/1770069317) | [Simon Westgate](https://appshunter.io/developer/1856537803) |

## What reviewers say

### 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


### Silverlog Scan

[App page](https://appshunter.io/ios/app/silverlog-scan/id6759198163)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Nice One | $0.99 | one-time |
| Legend | $2.99 | one-time |
| Absolute Hero | $4.99 | one-time |
| Guardian Angel | $9.99 | one-time |
| Actual Saint | $29.99 | one-time |


## Frequently asked questions

### Is Filter Simulation free?

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

### Is Silverlog Scan free?

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

### Do Filter Simulation or Silverlog Scan have ads?

Neither Filter Simulation nor Silverlog Scan shows ads.

### Which is updated more often, Filter Simulation or Silverlog Scan?

Filter Simulation ships an update monthly, and Silverlog Scan every 4 days. Most recently, Filter Simulation was updated on October 6, 2026 and Silverlog Scan 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.*