NilnocCalc vs Y+ Calculator
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.
Y+ Calculator
This app calculates the necessary grid spacing for computational fluid dynamics (CFD) simulations. It helps engineers determine near-wall cell height for accurate viscous flow computations. Supports both SI and Imperial units.
- Calculate grid spacing for target y+ values
- Supports viscous CFD computations
- Works in SI or Imperial units
- Resets to sea-level conditions
- Based on established fluid mechanics theory
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Y+ Calculator is a handy tool for calculating the grid spacing at a wall to achieve a target y+ value for viscous computational fluid dynamics (CFD) computations. Simply specify the flow conditions, the desired y+ value, and compute your grid spacing. If you are an engineer running viscous CFD computations, achieving a target value for y+ in your grid is essential for both resolved and wall function grids for accurate results. Save time by computing your near-wall cell height for the boundary layer before generating your grid. The Y+ Calculator works in either SI or Imperial units and quickly resets to sea-level conditions. This utility is brought to you by Cadence Design Systems. Note: Computations are based on flat-plate boundary layer theory from Frank M. White’s Fluid Mechanics 5th edition, page 467.
Screenshots
Verdict
The clearest difference is review sentiment: NilnocCalc at 100% against Y+ Calculator's 0%. NilnocCalc also leads on rating (5.0 vs 3.0) and update cadence (every 3 months vs every 8 months). Y+ Calculator's advantage is iOS requirement (9.0 vs 12.0). On price, ratings volume, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
NilnocCalc holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews point the same way: 100% of NilnocCalc's written reviews are positive against 0% of Y+ Calculator's.
NilnocCalc ships an update every 3 months, Y+ Calculator every 8 months. The most recent releases landed on October 23, 2026 and October 21, 2026 respectively.
| Parameter | NilnocCalc | Y+ Calculator |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 3.0 (1 ratings) |
| Positive reviews | 100.0% of reviews — better | 0.0% of reviews |
| Number of ratings | 1 | 1 |
| Update frequency | Every 3 months — better | Every 8 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 | 9.0 — better |
| Further details — not scored | ||
| Size | 5 MB | 18 MB |
| Age rating | 4+ | 4+ |
| Developer | John Conlin | Cadence Design Systems, Inc. |
Customer experience
NilnocCalc
Y+ Calculator
In-app purchases
NilnocCalc
No in-app purchases
Y+ Calculator
No in-app purchases
Questions
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Is Y+ Calculator free?
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