Comparison

Digital Converter X vs PHD Actuator Sizing

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

Head to head
About

Digital Converter X

Easily convert numbers between various formats including binary, octal, decimal, and hexadecimal. Supports custom base conversions up to base 16. Ideal for students and professionals needing quick number system transformations.

Highlights
  • Binary conversion
  • Octal conversion
  • Decimal conversion
  • Hexadecimal conversion
  • BCD and Gray code support
  • Custom base n to base m conversion
Features
Read full description

Converts one number form to another. Supported types are - Binary, Octal, Decimal, Hexadecimal, BCD, Gray, Excess-3, 1s, 2s, 9s and 10s complement. It also support conversion of base n to base m, where n and m are less then or equals to 16.

About

PHD Actuator Sizing

This engineering tool helps automation professionals quickly size servo motors for industrial applications. It allows users to input motion profiles and automatically calculates torque and inertia for accurate motor selection. Generate detailed reports and verify performance against motor specifications.

Highlights
  • Select from full actuator lineup
  • Input motion profiles
  • Automatic RMS torque calculations
  • Inertia ratio verification
  • Peak torque and speed checks
  • Exportable sizing reports
Features
Read full description

PHD Actuator Sizing Tool is a professional engineering application designed for automation engineers and system integrators. Quickly size Teknic ClearPath servo motors with PHD actuators for your industrial automation applications — right from your iPhone. Key Features: • Select from PHD's full actuator lineup — ECV ball screw cylinders, ESU/ESW ball screw and timing belt slides • Input motion profiles including velocity, acceleration, payload, and orientation • Automatic RMS torque calculations for accurate thermal motor sizing • Inertia ratio verification to ensure stable servo performance • Peak torque and speed checks against motor specifications • Detailed sizing reports with charts and exportable results • Comprehensive Teknic IPHP motor database built in • Clean, fast interface optimized for field and office use Contact info: Krishna Meruva, kmeruva@gmail.com

Screenshots

Digital Converter X4 screens
PHD Actuator Sizing4 screens

Verdict

The call

The clearest difference is rating: PHD Actuator Sizing at 5.0 against Digital Converter X's 3.7. PHD Actuator Sizing also leads on update cadence (every 3 weeks vs every 9 months). Digital Converter X's advantage is device support (3 vs 1) and iOS requirement (8.0 vs 17.6). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

PHD Actuator Sizing holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 3 and 2 respectively.

UpkeepUpdate frequency

Digital Converter X ships an update every 9 months, PHD Actuator Sizing every 3 weeks. The most recent releases landed on October 29, 2026 and October 31, 2026 respectively.

Scorecard4 real differences · 6 level
Digital Converter X versus PHD Actuator Sizing: the parameters behind the verdict, then further details
ParameterDigital Converter XPHD Actuator Sizing
PriceFreeFree
Rating3.7 (3 ratings)5.0 (2 ratings) — better
Positive reviews100.0% of reviews—
Number of ratings3 — better2
Update frequencyEvery 9 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS8.0 — better17.6
Further details — not scored
Size40 MB1 MB
Age rating4+17+
DeveloperGaurav MathurKrishna Meruva

Customer experience

Digital Converter X

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

PHD Actuator Sizing

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Digital Converter X

No in-app purchases

None

PHD Actuator Sizing

No in-app purchases

Questions

Is Digital Converter X free?
Digital Converter X is free to download, with no in-app purchases.
Is PHD Actuator Sizing free?
PHD Actuator Sizing is free to download, with no in-app purchases.
Which has better reviews, Digital Converter X or PHD Actuator Sizing?
PHD Actuator Sizing is rated higher. Digital Converter X averages 3.7 out of 5 from 3 ratings, while PHD Actuator Sizing averages 5.0 from 2 ratings.
Do Digital Converter X or PHD Actuator Sizing have ads?
Neither Digital Converter X nor PHD Actuator Sizing shows ads.
Which is updated more often, Digital Converter X or PHD Actuator Sizing?
Digital Converter X ships an update every 9 months, and PHD Actuator Sizing every 3 weeks. Most recently, Digital Converter X was updated on October 29, 2026 and PHD Actuator Sizing on October 31, 2026.

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