# ddoptics vs Filterfotograf Fototools

The clearest difference is iOS requirement: ddoptics at 8.0 against Filterfotograf Fototools's 16.4. On price and in-app purchases there is nothing between them.

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

## The numbers

| Metric | ddoptics | Filterfotograf Fototools |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Weekly |
| Monetization | — | Free |
| Size | 11 MB | 83 MB |
| Requires iOS | **8.0** | 16.4 |
| Devices | — | **iPhone** |
| Age rating | 4+ | 4+ |
| Developer | [勇 江](https://appshunter.io/developer/1000689544) | [Riko Best](https://appshunter.io/developer/6807484424) |

## What reviewers say

### ddoptics

[App page](https://appshunter.io/ios/app/ddoptics/id1390235094)

**In-app purchases:** none


### Filterfotograf Fototools

[App page](https://appshunter.io/ios/app/filterfotograf-fototools/id6807484422)

This app provides landscape photographers with essential tools for planning and executing shots. Calculate exposure with ND filters, analyze GND filter needs, determine depth of field, and plan focus stacking sequences.

**Highlights:** ND Filter Calculator, GND Analysis & Guide, Depth of Field Calculator, Hyperfocal Distance, Focus Stacking Planner, Light Meter

**In-app purchases:** none


## Frequently asked questions

### Is ddoptics free?

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

### Is Filterfotograf Fototools free?

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

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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.*