# GAF Smart Lock vs Rightful Ruler

The clearest difference is in-app purchases: GAF Smart Lock at none against Rightful Ruler's 2. GAF Smart Lock also leads on iOS requirement (10.0 vs 12.0). Rightful Ruler's advantage is update cadence (every 2 months vs every 20 months). On price, ads and device support there is nothing between them.

Both are free to download. Rightful Ruler sells 2 in-app purchases, starting at $2.99 per month. GAF Smart Lock asks for nothing beyond the download.

GAF Smart Lock ships an update every 20 months, Rightful Ruler every 2 months. The most recent releases landed on October 6, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | GAF Smart Lock | Rightful Ruler |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/rightful-ruler/id6443978932/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 2 months** |
| Monetization | — | Free with in-app purchases |
| Size | 16 MB | 135 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [广东必达保安系统有限公司](https://appshunter.io/developer/1252551530) | [Auki Matterless Limited](https://appshunter.io/developer/1586607184) |

## What reviewers say

### GAF Smart Lock

[App page](https://appshunter.io/ios/app/gaf-smart-lock/id1614945765)

**In-app purchases:** none


### Rightful Ruler

[App page](https://appshunter.io/ios/app/rightful-ruler/id6443978932)

This augmented reality tool simplifies distance measurements for tabletop wargames. Measure between bases, create custom paths, and visualize unit auras. It also offers experimental shared AR sessions for collaborative play.

**Highlights:** AR measurement, Base-to-base distance, Custom path measurement, Aura visualization, Shared AR sessions

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $2.99 | per month |
| Lifetime Pass | $79.99 | one-time |


## Frequently asked questions

### Is GAF Smart Lock free?

GAF Smart Lock is free to download, with no in-app purchases.

### Is Rightful Ruler free?

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

### Do GAF Smart Lock or Rightful Ruler have ads?

Neither GAF Smart Lock nor Rightful Ruler shows ads.

### Which is updated more often, GAF Smart Lock or Rightful Ruler?

GAF Smart Lock ships an update every 20 months, and Rightful Ruler every 2 months. Most recently, GAF Smart Lock was updated on October 6, 2026 and Rightful Ruler on October 11, 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.*