# Digimarc Validate vs Image FFT

The clearest difference is price: Digimarc Validate at Free against Image FFT's $1.99. Image FFT's advantage is update cadence (weekly vs monthly) and iOS requirement (18.6 vs 26.2). On ads, in-app purchases and device support there is nothing between them.

Digimarc Validate is free to download; Image FFT costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Digimarc Validate ships an update monthly, Image FFT weekly. The most recent releases landed on September 11, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Digimarc Validate | Image FFT |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Size | 46 MB | 2 MB |
| Requires iOS | 26.2 | **18.6** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [Digimarc](https://appshunter.io/developer/348205304) | [Emma Sinclair](https://appshunter.io/developer/1694790592) |

## What reviewers say

### Digimarc Validate

[App page](https://appshunter.io/ios/app/digimarc-validate/id6711345278)

**In-app purchases:** none


### Image FFT

[App page](https://appshunter.io/ios/app/image-fft/id6773108614)

**In-app purchases:** none


## Frequently asked questions

### Is Digimarc Validate free?

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

### Is Image FFT free?

Image FFT costs $1.99, with no in-app purchases.

### Do Digimarc Validate or Image FFT have ads?

Neither Digimarc Validate nor Image FFT shows ads.

### Which is updated more often, Digimarc Validate or Image FFT?

Digimarc Validate ships an update monthly, and Image FFT weekly. Most recently, Digimarc Validate was updated on September 11, 2026 and Image FFT on September 18, 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.*