Comparison

RZ Timecode Calculator vs Exp3rt Gray Card

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

Head to head
About

RZ Timecode Calculator

This tool assists with timecode calculations for video editing and animation. It's designed for field use when built-in editing software functions are not readily available. A simple and useful utility for creative professionals.

Highlights
  • Timecode calculations
  • Video editing assistance
  • Animation support
  • Field use utility
  • Simple interface
Features
Read full description

I used to have a calculator called the FrameMaster. It was wonderful and useful for video editing and animation. Now this function is pretty much built in to the editing apps. However, you may find yourself in the field needing to do some simple timecode calculations, and then, THIS IS APP YOUR BEST FRIEND!

About

Exp3rt Gray Card

Features
Read full description

Achieve Better Color Balance Through Learning and Practice Exp3rt Gray Card is an educational reference tool designed for photographers, videographers, and editors who want to better understand color calibration and white balance. It helps you practice consistent color control in various lighting conditions—ideal for training your eye and refining your workflow. Note: - This app is not a replacement for a physical gray card. - It serves as a visual aid for learning and testing purposes only. - For critical work, we recommend using a real gray card. Who is Gray Card for? Ideal for: * Photographers & Students: Learn how to assess and correct white balance. * Videographers: Experiment with lighting conditions and color references. * Editors: Train your color perception and editing precision. * Hobbyists & Educators: Use in photography classes or demonstrations. Key Features: 1. Grayscale Reference Virtual 18% gray card + additional gray tones (black to light gray). 2. Primary & Secondary Colors RGB and CMY swatches for color profiling practice. 3. White Balance Aids Skin tone references and temperature adjustments. 4. Lighting Condition Simulations Warm, cool, and fluorescent color tints for practical comparison. 5. Always On-Hand Lightweight tool for testing and education—no physical tools required. Why Use Gray Card? * Learn by Doing: Understand how light and color affect your shots. * Build Confidence: Know what to expect before your actual shoot. * Save Time: Improve color accuracy through better awareness. Train Your Eye. Improve Your Shots. Download Exp3rt Gray Card and use it as your portable guide to better color understanding.

Screenshots

RZ Timecode Calculator4 screens
Exp3rt Gray Card4 screens

Verdict

The call

The clearest difference is price: RZ Timecode Calculator at Free against Exp3rt Gray Card's $3.99. RZ Timecode Calculator also leads on iOS requirement (15.6 vs 18.2). Exp3rt Gray Card's advantage is update cadence (every 2 months vs every 10 months) and chart position (#194 vs unranked). On ads, in-app purchases 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

RZ Timecode Calculator is free to download; Exp3rt Gray Card costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

RZ Timecode Calculator ships an update every 10 months, Exp3rt Gray Card every 2 months. The most recent releases landed on September 16, 2026 and October 8, 2026 respectively.

Scorecard4 real differences · 6 level
RZ Timecode Calculator versus Exp3rt Gray Card: the parameters behind the verdict, then further details
ParameterRZ Timecode CalculatorExp3rt Gray Card
PriceFree — better$3.99
Rating1.0 (2 ratings) — better—
Number of ratings2 — better—
Update frequencyEvery 10 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
Best chart rank—#194 — better
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.6 — better18.2
Further details — not scored
Size1 MB1 MB
Age rating4+4+
DeveloperRobert L ZimmelmanSerge Benati

In-app purchases

None

RZ Timecode Calculator

No in-app purchases

None

Exp3rt Gray Card

No in-app purchases

Questions

Is RZ Timecode Calculator free?
RZ Timecode Calculator is free to download, with no in-app purchases.
Is Exp3rt Gray Card free?
Exp3rt Gray Card costs $3.99, with no in-app purchases.
Do RZ Timecode Calculator or Exp3rt Gray Card have ads?
Neither RZ Timecode Calculator nor Exp3rt Gray Card shows ads.
Which is updated more often, RZ Timecode Calculator or Exp3rt Gray Card?
RZ Timecode Calculator ships an update every 10 months, and Exp3rt Gray Card every 2 months. Most recently, RZ Timecode Calculator was updated on September 16, 2026 and Exp3rt Gray Card on October 8, 2026.

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