Scale vs CAMACTIVE
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Scale
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.
- Extensive database of scales and units
- Customizable scales and units
- Imperial and metric conversions
- Fractional and decimal rounding
- Conversion history
- Customizable buttons
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Build models and other scaled objects faster and more accurately with Scale-o-Tron. Model builders, architects, tabletop gamers, doll makers, train enthusiasts, sculptors, set designers, and anyone else who builds to scale can focus on their craft instead of on conversions. Features: • Convert from any scale and unit to any other scale and unit. You are not limited to converting from 1:1. • Mix scales and units in a calculation; Scale-o-Tron handles the conversions. • A large library of common scales, organized for quick access, plus your own custom scales. • Metric and imperial units, including historical units for old schematics and literature. • Fine control over numerical precision and display. Fraction rounding keeps imperial measurements practical. • Customize and save as many calculator layouts as you like, each suited to a type of project. • Adjust button and display size to your preference. Whether you build from scratch or from kits, Scale-o-Tron keeps your project accurate and lets you focus on the build. Visit the website to learn how Scale-o-Tron can help with your projects.
CAMACTIVE
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CAMACTIVE enables you to control locks straight from your smartphone, combining convenience and security to improve business operations. Bluetooth required.
Screenshots
Verdict
The clearest difference is price: CAMACTIVE at Free against Scale's $4.99. CAMACTIVE also leads on device support (3 vs 1) and iOS requirement (13.1 vs 17.0). Scale's advantage is update cadence (every 8 days vs every 6 months). On ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
CAMACTIVE is free to download; Scale costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Scale ships an update every 8 days, CAMACTIVE every 6 months. The most recent releases landed on October 24, 2026 and October 13, 2026 respectively.
| Parameter | Scale | CAMACTIVE |
|---|---|---|
| Price | $4.99 | Free — better |
| Rating | 4.2 (5 ratings) — better | — |
| Positive reviews | 66.7% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 8 days — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 13.1 — better |
| Further details — not scored | ||
| Size | 3 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Mizmovac, Inc | Digitech Automation Ltd |
In-app purchases
Scale
No in-app purchases
CAMACTIVE
No in-app purchases









