Comparison

MyScript Calculator vs SLD | Electrical diagrams

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

Head to head
About

MyScript Calculator

This app transforms your device into an interactive notepad for calculations. Simply write your math problems by hand, and it instantly provides results. Edit calculations with gestures, reuse past results, and export your work.

Highlights
  • Write calculations naturally
  • Edit with gestures
  • Drag and drop results
  • Copy and export calculations
  • Fraction display options
  • Multi-line calculations
  • Memory and history functions
Features
Read full description

The new MyScript© Calculator 2 makes daily math fun and easy! Calculator 2 turns your device into an interactive piece of paper. Simply write a calculation and it gets you the result in real time. Develop it further with editing gestures or by adding new elements anywhere. Reuse previous results with drag and drop. Calculator 2 interprets everything you do on the fly. Calculator 2 is based on MyScript Interactive Ink®, the next step for digital ink. It is the successor of the award-winning first handwriting calculator. BENEFITS AND FEATURES · Write calculations in an intuitive and natural way without a keyboard. · Erase easily by using scratch-out gestures to remove symbols and numbers. · Drag and drop numbers from and to the canvas, the memory bar or to an external app. · Copy your results to the clipboard or export them to other apps. · Fractions: Display results using decimals, fractions or mixed numbers. · Multi-line: Continue the same calculation on the next line or write several calculations on multiple lines. · Memory: Save results into memory. Reuse them anytime in your calculations. · History: Retrieve all your past calculations to reuse or export. SUPPORTED OPERATORS · Basic operations: +, -, ×, ÷, /, ·, : · Powers, roots, exponentials: 7², √, ∛, e³ · Miscellaneous operations: %, |5|, 3! · Brackets: ( ) · Trigonometry: sin, cos, tan, cot, cosh, sinh, tanh, coth · Inverse trigonometry: asin, acos, atan, acot, arcsin, arccos, arctan, arccot, acosh, asinh, atanh, acoth, arcosh, arsinh, artanh, arcoth · Logarithms: ln, log · Constants: π, e, phi

About

SLD | Electrical diagrams

Easily create single-line electrical diagrams with a vast library of IEC and ANSI standard symbols. Drag and drop components to build your schemes, with options to save and edit in the PRO version.

Highlights
  • Create single-line diagrams
  • Drag and drop symbol placement
  • IEC and ANSI standard symbols
  • Save and edit schemes (PRO)
  • Export as image, PDF, or file
  • Add text labels (volt, watt, etc.)
Read full description

This tool will allow you to create your own one-line diagrams quickly and easily. Simply select the symbol you want to use and drag it to the desired position. The most commonly used symbols are integrated (IEC, ANSI standards): Symbols according to IEC and ANSI standards for electrical engineering: Circuit breaker, plug-in, switch, disconnector, fuse, differential (RCD), contactor, motor, generator, socket, plug base, contact, normally open NO, closed NC, valve, level, temperature, delay and advance opening and closing, limit switch, handle, interlock, push button, mushroom, lamp, grounding, energy meter, active (kWh) wattmeter, reactive (kvar) varimeter, transformer, voltage, current, three windings, overvoltage, thermal relay, magnetic, coil, clock, minimum and maximum voltage, starter, rectifier, inverter, battery, converter, AC/DC, DC/DC, frequency meter, voltmeter, ammeter, ohmmeter, soft starter, variable resistance, reactance, diode, varistor, heater, fault, star-delta transformer, insulation, regulator, connectors, conductors, phase, neutral, ground, protection, fan, photovoltaic panel, control, load and enter text such as volt, ampere, watt, energy # BASIC Version # * You can create your single-line diagram with the same symbols as the Version PRO * You can only work with a scheme although you can share it as an image, pdf or file * Once you create a scheme you will no longer be able to open another (they are not saved) * Contains ads # PRO Version # (1 - In-App Purchases) * You will be able to open, edit and save a scheme * Open in the following examples (link) * No ads * Missing a symbol? Contact us through the app * More examples: https://drive.google.com/drive/folders/15vTwFvjtu311lSEbYJLaqUfp_pyEwEDt?usp=sharing

Screenshots

MyScript Calculator4 screens
SLD | Electrical diagrams4 screens

Verdict

The call

The clearest difference is in-app purchases: MyScript Calculator at none against SLD | Electrical diagrams's 1. MyScript Calculator also leads on review sentiment (75% vs 45%) and rating (4.5 vs 4.1). SLD | Electrical diagrams's advantage is price ($1.99 vs $2.99) and iOS requirement (11.0 vs 13.0). On update cadence, ads, chart position and device support 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

MyScript Calculator costs $2.99 and SLD | Electrical diagrams $1.99 up front. SLD | Electrical diagrams sells 1 one-off in-app purchase. MyScript Calculator asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

MyScript Calculator holds the better App Store score, 4.5 against 4.1. That said, the two scores are not equally well evidenced: MyScript Calculator has 1.5K ratings behind it against 133, so its average is the more settled of the two. Written reviews point the same way: 75% of MyScript Calculator's written reviews are positive against 45% of SLD | Electrical diagrams's.

UpkeepUpdate frequency

MyScript Calculator ships an update every 3 weeks, SLD | Electrical diagrams fortnightly. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

Scorecard7 real differences · 4 level
MyScript Calculator versus SLD | Electrical diagrams: the parameters behind the verdict, then further details
ParameterMyScript CalculatorSLD | Electrical diagrams
Price$2.99$1.99 — better
Rating4.5 (1.5K ratings) — better4.1 (133 ratings)
Positive reviews74.8% of reviews — better45.5% of reviews
Number of ratings1.5K — better133
Update frequencyEvery 3 weeksFortnightly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
Best chart rank#115 — better#121
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.011.0 — better
Further details — not scored
Size14 MB13 MB
Age rating4+4+
DeveloperMyScriptAngel Martinez

Customer experience

MyScript Calculator

All ratings1,508 ratings
Positive88.7%
Neutral3.5%
Negative7.8%
Written reviews539 reviews
Positive74.8%
Neutral9.1%
Negative16.1%

SLD | Electrical diagrams

All ratings132 ratings
Positive79.5%
Neutral6.1%
Negative14.4%
Written reviews143 reviews
Positive45.5%
Neutral14.7%
Negative39.9%

User reviews

MyScript Calculator

From 1.5K App Store ratings

What we love

  • 👍 Easy to use
  • 🚀 Instant calculations
  • 💡 Handwriting recognition
  • 🎨 Intuitive interface
  • ⚡️ Efficient for quick math

Room to improve

  • 🐛 Inconsistent recognition of symbols and operators
  • 🔢 Limited to basic arithmetic, no support for algebra or advanced math
  • 🔍 Small writing space, difficult to view long calculations
  • 💻 Not as functional as a traditional calculator on smaller screens
  • 🔢 Struggles with large numbers and scientific notation

SLD | Electrical diagrams

From 133 App Store ratings

What we love

  • 👍 User-friendly
  • 🚀 Simple and fast
  • 💡 Excellent for small projects
  • 👍 Easy to use
  • 👍 Intuitive interface

Room to improve

  • 🐛 Crashes and stability issues
  • 🐛 Saving and loading problems
  • 🐛 Unreliable Pro version
  • 🐛 Disappearing saved projects
  • 🔍 Limited symbol library

Bugs and requests

MyScript Calculator

Reported bugs

3 issues
  • Incorrect calculation results for certain inputs
  • Difficulty editing or correcting written expressions
  • Inconsistent behavior when using the Apple Pencil

Requested features

5 requests
  • Add support for variables, equations, and advanced math functions
  • Improve recognition of symbols, operators, and handwriting
  • Increase writing space and allow scrolling/zooming
  • Provide more customization options (e.g., font size, pen thickness)
  • Integrate with other productivity apps (e.g., Notes, Nebo)

SLD | Electrical diagrams

Reported bugs

4 issues
  • Saved projects disappear or cannot be opened
  • Pro version not working as expected
  • Frequent crashes and app instability
  • Saving and loading issues

Requested features

6 requests
  • Add more electrical symbols and components
  • Improve text editing and positioning
  • Implement undo/redo functionality
  • Allow changing wire/conductor colors
  • Add support for exporting to DWG or DXF formats
Show 1 more
  • Provide a user manual or tutorial

In-app purchases

None

MyScript Calculator

No in-app purchases

1 purchases

SLD | Electrical diagrams

One-time1
  • Remove ads, save diagram$3.99

Questions

Is MyScript Calculator free?
MyScript Calculator costs $2.99, with no in-app purchases.
Is SLD | Electrical diagrams free?
SLD | Electrical diagrams costs $1.99, and also offers in-app purchases.
Which has better reviews, MyScript Calculator or SLD | Electrical diagrams?
MyScript Calculator is rated higher. MyScript Calculator averages 4.5 out of 5 from 1.5K ratings, while SLD | Electrical diagrams averages 4.1 from 133 ratings.
Do MyScript Calculator or SLD | Electrical diagrams have ads?
Neither MyScript Calculator nor SLD | Electrical diagrams shows ads.
Which is updated more often, MyScript Calculator or SLD | Electrical diagrams?
MyScript Calculator ships an update every 3 weeks, and SLD | Electrical diagrams fortnightly. Most recently, MyScript Calculator was updated on November 2, 2026 and SLD | Electrical diagrams on November 3, 2026.
Which is more popular, MyScript Calculator or SLD | Electrical diagrams?
MyScript Calculator currently peaks at #115 in the App Store charts, and SLD | Electrical diagrams at #121. Chart position reflects recent download velocity rather than total install base.

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