# Scale vs Sole Scan

The clearest difference is price: Sole Scan at Free against Scale's $4.99. Scale's advantage is in-app purchases (none vs 2). On update cadence, ads, device support and iOS requirement there is nothing between them.

Sole Scan is free to download; Scale costs $4.99 up front. Sole Scan sells 2 in-app purchases, starting at $5.99 per month. Scale asks for nothing beyond the download.

Scale ships an update every 8 days, Sole Scan every 5 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Scale | Sole Scan |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.2 (5 ratings)](https://appshunter.io/ios/app/scale-o-tron/id1441824327/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 days | **Every 5 days** |
| Monetization | Paid | — |
| Size | 3 MB | 17 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Mizmovac, Inc](https://appshunter.io/developer/1441824326) | [Cormac Mulvenna](https://appshunter.io/developer/1810482846) |

## What reviewers say

### Scale

[App page](https://appshunter.io/ios/app/scale-o-tron/id1441824327)

This tool simplifies scaling and unit conversions for creators. It offers a vast library of scales and units, allowing for seamless adjustments and precise calculations. Customize the interface to match your workflow and focus on your projects.

**Highlights:** Extensive database of scales and units, Customizable scales and units, Imperial and metric conversions, Fractional and decimal rounding, Conversion history, Customizable buttons

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

**In-app purchases:** none


### Sole Scan

[App page](https://appshunter.io/ios/app/sole-scan/id6745030545)

**Features:** Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sole Scan Premium Monthly | $5.99 | per month |
| Sole Scan Premium Yearly | $49.99 | per year |


## Frequently asked questions

### Is Scale free?

Scale costs $4.99, with no in-app purchases.

### Is Sole Scan free?

Sole Scan is free to download, with in-app purchases available.

### Do Scale or Sole Scan have ads?

Neither Scale nor Sole Scan shows ads.

### Which is updated more often, Scale or Sole Scan?

Scale ships an update every 8 days, and Sole Scan every 5 days. Most recently, Scale was updated on October 24, 2026 and Sole Scan on October 25, 2026.

---

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