Comparison

Scale vs CAMACTIVE

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Extensive database of scales and units
  • Customizable scales and units
  • Imperial and metric conversions
  • Fractional and decimal rounding
  • Conversion history
  • Customizable buttons
Features
Read full description

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.

About

CAMACTIVE

Features
Read full description

CAMACTIVE enables you to control locks straight from your smartphone, combining convenience and security to improve business operations. Bluetooth required.

Screenshots

Scale4 screens
CAMACTIVE3 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

CAMACTIVE is free to download; Scale costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

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.

Scorecard4 real differences · 6 level
Scale versus CAMACTIVE: the parameters behind the verdict, then further details
ParameterScaleCAMACTIVE
Price$4.99Free — better
Rating4.2 (5 ratings) — better—
Positive reviews66.7% of reviews—
Number of ratings5 — better—
Update frequencyEvery 8 days — betterEvery 6 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS17.013.1 — better
Further details — not scored
Size3 MB7 MB
Age rating4+4+
DeveloperMizmovac, IncDigitech Automation Ltd

In-app purchases

None

Scale

No in-app purchases

None

CAMACTIVE

No in-app purchases

Questions

Is Scale free?
Scale costs $4.99, with no in-app purchases.
Is CAMACTIVE free?
CAMACTIVE is free to download, with no in-app purchases.
Do Scale or CAMACTIVE have ads?
Neither Scale nor CAMACTIVE shows ads.
Which is updated more often, Scale or CAMACTIVE?
Scale ships an update every 8 days, and CAMACTIVE every 6 months. Most recently, Scale was updated on October 24, 2026 and CAMACTIVE on October 13, 2026.

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