NilnocCalc vs Scale
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NilnocCalc
A powerful 64-bit calculator with multiple number system displays, trigonometric functions, and customizable button colors. It offers unit conversions, binary float display, and permutation/combination calculations.
- 64-bit calculation engine
- Hex, Octal, Binary displays
- Full trigonometric functions
- Customizable button colors and effects
- Unit conversion constants
- Binary Float display
- Combinations and Permutations
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This fully functioning 64 bit Calculator features 10 registers to save values. Hex, Oct, Bin displays. Full set of Trig functions. Users can customize: The colors of buttons and effects ( border and gradient ) The number of digits displayed to the right of the decimal. When Scientific Notation is used for display. Also contains many standard unit conversion constants. Also includes a Binary Float display . Combinations and Permutation calculations built in.
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.
Screenshots
Verdict
The clearest difference is price: NilnocCalc at Free against Scale's $4.99. NilnocCalc also leads on rating (5.0 vs 4.2) and review sentiment (100% vs 67%). Scale's advantage is update cadence (every 8 days vs every 3 months) and ratings volume (5 vs 1). 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
NilnocCalc is free to download; Scale costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
NilnocCalc holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: Scale has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of NilnocCalc's written reviews are positive against 67% of Scale's.
NilnocCalc ships an update every 3 months, Scale every 8 days. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.
| Parameter | NilnocCalc | Scale |
|---|---|---|
| Price | Free — better | $4.99 |
| Rating | 5.0 (1 ratings) — better | 4.2 (5 ratings) |
| Positive reviews | 100.0% of reviews — better | 66.7% of reviews |
| Number of ratings | 1 | 5 — better |
| Update frequency | Every 3 months | Every 8 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 12.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 5 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | John Conlin | Mizmovac, Inc |
Customer experience
NilnocCalc
Scale
In-app purchases
NilnocCalc
No in-app purchases
Scale
No in-app purchases









