# ProdigiSign vs Whizo AI

The clearest difference is update cadence: Whizo AI at every 3 days against ProdigiSign's every 3 months. ProdigiSign's advantage is iOS requirement (12.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

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

ProdigiSign ships an update every 3 months, Whizo AI every 3 days. The most recent releases landed on October 9, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | ProdigiSign | Whizo AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 days** |
| Size | 271 MB | 20 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Prodigisign](https://appshunter.io/developer/1733593718) | [Whizoid studio LLP](https://appshunter.io/developer/6785965888) |

## What reviewers say

### ProdigiSign

[App page](https://appshunter.io/ios/app/prodigisign/id6670239890)

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

**In-app purchases:** none


### Whizo AI

[App page](https://appshunter.io/ios/app/whizo-ai/id6785965886)

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

**In-app purchases:** none


## Frequently asked questions

### Is ProdigiSign free?

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

### Is Whizo AI free?

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

### Do ProdigiSign or Whizo AI have ads?

Neither ProdigiSign nor Whizo AI shows ads.

### Which is updated more often, ProdigiSign or Whizo AI?

ProdigiSign ships an update every 3 months, and Whizo AI every 3 days. Most recently, ProdigiSign was updated on October 9, 2026 and Whizo AI on October 28, 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.*