# Digimarc Validate vs Ply

The clearest difference is in-app purchases: Digimarc Validate at none against Ply's 1. Ply's advantage is update cadence (every 5 days vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Ply sells 1 one-off in-app purchase. Digimarc Validate asks for nothing beyond the download.

Digimarc Validate ships an update every 6 weeks, Ply every 5 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Digimarc Validate | Ply |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 5 days** |
| Size | 46 MB | 13 MB |
| Requires iOS | 26.2 | **26.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [Digimarc](https://appshunter.io/developer/348205304) | [Yi Bin Pow](https://appshunter.io/developer/1846275953) |

## What reviewers say

### Digimarc Validate

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

**In-app purchases:** none


### Ply

[App page](https://appshunter.io/ios/app/ply-3d-filament-tracker/id6788304911)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Pro | $6.99 | one-time |


## Frequently asked questions

### Is Digimarc Validate free?

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

### Is Ply free?

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

### Do Digimarc Validate or Ply have ads?

Neither Digimarc Validate nor Ply shows ads.

### Which is updated more often, Digimarc Validate or Ply?

Digimarc Validate ships an update every 6 weeks, and Ply every 5 days. Most recently, Digimarc Validate was updated on October 25, 2026 and Ply on October 24, 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.*