# Scale vs StashIQ

The clearest difference is review sentiment: Scale at 67% against StashIQ's 0%. Scale also leads on rating (4.2 vs 1.0) and in-app purchases (none vs 3). StashIQ's advantage is price (Free vs $4.99) and iOS requirement (15.1 vs 17.0). On ratings volume, update cadence and device support there is nothing between them.

StashIQ is free to download; Scale costs $4.99 up front. StashIQ sells 3 in-app purchases, starting at $0.99 per month. Scale asks for nothing beyond the download.

Scale holds the better App Store score, 4.2 against 1.0. Both are backed by a comparable volume of ratings — 5 and 3 respectively. Written reviews point the same way: 67% of Scale's written reviews are positive against 0% of StashIQ's.

Scale ships an update every 8 days, StashIQ fortnightly. The most recent releases landed on October 24, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Scale | StashIQ |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.2 (5 ratings)](https://appshunter.io/ios/app/scale-o-tron/id1441824327/reviews)** | [1.0 (3 ratings)](https://appshunter.io/ios/app/stashiq-scale-model-tracker/id6785612066/reviews) |
| Number of ratings | **5** | 3 |
| Positive reviews | **66.7% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 8 days** | Fortnightly |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 3 MB | 53 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Mizmovac, Inc](https://appshunter.io/developer/1441824326) | [CHRISTOPHER BRYAN DECKER](https://appshunter.io/developer/6783391617) |

## 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


### StashIQ

[App page](https://appshunter.io/ios/app/stashiq-scale-model-tracker/id6785612066)

This app helps scale model builders and collectors catalog their kits, manage wish lists, and avoid duplicate purchases. It features a large database of kits, barcode scanning for instant identification, and price comparison tools.

**Highlights:** Catalog owned kits, Build want lists, Search 88,000+ kits, Barcode scanning, Compare retailer prices, Avoid duplicate purchases

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| StashIQ Collector | $0.99 | per month |
| StashIQ Trader | $2.99 | per month |
| StashIQ Professional | $4.99 | per month |


## Frequently asked questions

### Is Scale free?

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

### Is StashIQ free?

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

### Which has better reviews, Scale or StashIQ?

Scale is rated higher. Scale averages 4.2 out of 5 from 5 ratings, while StashIQ averages 1.0 from 3 ratings.

### Do Scale or StashIQ have ads?

StashIQ shows ads; Scale does not.

### Which is updated more often, Scale or StashIQ?

Scale ships an update every 8 days, and StashIQ fortnightly. Most recently, Scale was updated on October 24, 2026 and StashIQ on October 8, 2026.

---

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