# Whizcity Validator vs Architects Ruler

The clearest difference is in-app purchases: Whizcity Validator at none against Architects Ruler's 1. Whizcity Validator also leads on device support (3 vs 1) and iOS requirement (13.0 vs 26.0). On price, update cadence and ads there is nothing between them.

Both are free to download. Architects Ruler sells 1 one-off in-app purchase. Whizcity Validator asks for nothing beyond the download.

Whizcity Validator ships an update every 5 months, Architects Ruler every 3 months. The most recent releases landed on October 27, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Whizcity Validator | Architects Ruler |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 months** |
| Size | 22 MB | 4 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Whizcity Sdn. Bhd.](https://appshunter.io/developer/1662431119) | [Gijs Raggers](https://appshunter.io/developer/1438841415) |

## What reviewers say

### Whizcity Validator

[App page](https://appshunter.io/ios/app/whizcity-validator/id6680187990)

**Features:** macOS Compatibility

**In-app purchases:** none


### Architects Ruler

[App page](https://appshunter.io/ios/app/architects-ruler/id6755367822)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime scales menu | $0.99 | one-time |


## Frequently asked questions

### Is Whizcity Validator free?

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

### Is Architects Ruler free?

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

### Do Whizcity Validator or Architects Ruler have ads?

Neither Whizcity Validator nor Architects Ruler shows ads.

### Which is updated more often, Whizcity Validator or Architects Ruler?

Whizcity Validator ships an update every 5 months, and Architects Ruler every 3 months. Most recently, Whizcity Validator was updated on October 27, 2026 and Architects Ruler on November 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.*