# Scala Architectural Scale vs Snap Draw

The clearest difference is review sentiment: Scala Architectural Scale at 87% against Snap Draw's 15%. Scala Architectural Scale also leads on rating (4.6 vs 2.2) and ads (none vs shown). Snap Draw's advantage is in-app purchases (none vs 1) and update cadence (fortnightly vs every 4 months). On price, ratings volume and device support there is nothing between them.

Both are free to download. Scala Architectural Scale sells 1 one-off in-app purchase. Snap Draw asks for nothing beyond the download.

Scala Architectural Scale holds the better App Store score, 4.6 against 2.2. Both are backed by a comparable volume of ratings — 25 and 20 respectively. Written reviews point the same way: 87% of Scala Architectural Scale's written reviews are positive against 15% of Snap Draw's.

Scala Architectural Scale ships an update every 4 months, Snap Draw fortnightly. The most recent releases landed on July 17, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Scala Architectural Scale | Snap Draw |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (25 ratings)](https://appshunter.io/ios/app/scala-architectural-scale/id1090018333/reviews)** | [2.2 (20 ratings)](https://appshunter.io/ios/app/snap-draw/id1486431403/reviews) |
| Number of ratings | **25** | 20 |
| Positive reviews | **86.7% of reviews** | 15.4% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | **Free** | Ad-supported |
| Size | 1 MB | 17 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Noerah Alvi](https://appshunter.io/developer/1088349320) | [andrew bell](https://appshunter.io/developer/445167639) |

## What reviewers say

### Scala Architectural Scale

[App page](https://appshunter.io/ios/app/scala-architectural-scale/id1090018333)

This app allows users to measure printed architectural and engineering drawings directly on their device. It supports both known and unknown scales, offering fixed and variable scale options for precise measurements. Users can also select secondary units for quick conversions.

**Highlights:** Fixed and variable scale measurement, Supports unknown drawing scales, Secondary unit conversions (metric, decimal feet, feet/inches), Adjustable measurement precision, Extensive scale options for architectural, engineering, and metric drawings

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Scala Full Version | $2.99 | one-time |


### Snap Draw

[App page](https://appshunter.io/ios/app/snap-draw/id1486431403)

This app helps you create detailed plans and drawings with intuitive touch controls. It provides auditory and visual feedback when lines connect, ensuring accuracy. Save, export, and share your creations in various formats, ideal for both casual fun and professional design.

**Highlights:** Auditory and visual line connection feedback, Save up to 75 projects, Export as PNG, SVG, PDF, Add per-line notes with measurements, Built-in shapes and features, Draw lines and arcs, edit curves, Zoom and pan for detail

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Scala Architectural Scale free?

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

### Is Snap Draw free?

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

### Which has better reviews, Scala Architectural Scale or Snap Draw?

Scala Architectural Scale is rated higher. Scala Architectural Scale averages 4.6 out of 5 from 25 ratings, while Snap Draw averages 2.2 from 20 ratings.

### Do Scala Architectural Scale or Snap Draw have ads?

Snap Draw shows ads; Scala Architectural Scale does not.

### Which is updated more often, Scala Architectural Scale or Snap Draw?

Scala Architectural Scale ships an update every 4 months, and Snap Draw fortnightly. Most recently, Scala Architectural Scale was updated on July 17, 2026 and Snap Draw on September 12, 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.*