# Scale Ratio vs ArchitectScaler

The clearest difference is in-app purchases: ArchitectScaler at none against Scale Ratio's 1. Scale Ratio's advantage is update cadence (fortnightly vs every 14 months) and iOS requirement (10.0 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. Scale Ratio sells 1 one-off in-app purchase. ArchitectScaler asks for nothing beyond the download.

Scale Ratio ships an update fortnightly, ArchitectScaler every 14 months. The most recent releases landed on September 20, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Scale Ratio | ArchitectScaler |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/scale-ratio/id1448744741/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 14 months |
| Monetization | Free with in-app purchases | — |
| Size | 25 MB | 3 MB |
| Requires iOS | **10.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Adrien Brecheteau](https://appshunter.io/developer/956859837) | [Pratheek Balakrishna](https://appshunter.io/developer/1826744138) |

## What reviewers say

### Scale Ratio

[App page](https://appshunter.io/ios/app/scale-ratio/id1448744741)

Easily convert distances between any scales for projects like architecture and model building. Input your measurements and desired scale to instantly calculate scaled distances.

**Highlights:** Convert distances between any scales, Supports architecture and modeling projects, Instant calculation of scaled distances, User-friendly input for distance and scale

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Delete Ads in the app | $4.99 | one-time |


### ArchitectScaler

[App page](https://appshunter.io/ios/app/architectscaler/id6748638487)

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

**In-app purchases:** none


## Frequently asked questions

### Is Scale Ratio free?

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

### Is ArchitectScaler free?

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

### Do Scale Ratio or ArchitectScaler have ads?

Neither Scale Ratio nor ArchitectScaler shows ads.

### Which is updated more often, Scale Ratio or ArchitectScaler?

Scale Ratio ships an update fortnightly, and ArchitectScaler every 14 months. Most recently, Scale Ratio was updated on September 20, 2026 and ArchitectScaler on September 30, 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.*