# Mongoose GPS vs Architects Ruler

The clearest difference is in-app purchases: Mongoose GPS at none against Architects Ruler's 1. Mongoose GPS also leads on update cadence (monthly vs every 3 months) and iOS requirement (7.0 vs 26.0). On price, ads and device support there is nothing between them.

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

Mongoose GPS ships an update monthly, Architects Ruler every 3 months. The most recent releases landed on October 26, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Mongoose GPS | Architects Ruler |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Size | 24 MB | 4 MB |
| Requires iOS | **7.0** | 26.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [文清 毕](https://appshunter.io/developer/998793624) | [Gijs Raggers](https://appshunter.io/developer/1438841415) |

## What reviewers say

### Mongoose GPS

[App page](https://appshunter.io/ios/app/mongoose-gps/id1301872338)

**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 Mongoose GPS free?

Mongoose GPS 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 Mongoose GPS or Architects Ruler have ads?

Neither Mongoose GPS nor Architects Ruler shows ads.

### Which is updated more often, Mongoose GPS or Architects Ruler?

Mongoose GPS ships an update monthly, and Architects Ruler every 3 months. Most recently, Mongoose GPS was updated on October 26, 2026 and Architects Ruler on November 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*