Comparison

tcCalc vs RZ Timecode Calculator

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

Head to head
About

tcCalc

This calculator specializes in timecode and frame-based calculations, offering a familiar interface for quick conversions and duration calculations. It supports multiple frame rates and allows for easy copying and pasting of results.

Highlights
  • Timecode and frame calculations
  • Convert between timecode and frames
  • Supports multiple frame rates
  • Automatic value adjustment
  • Copy and paste functionality
  • Memory function
  • Calculation history
Features
Read full description

tcCalc is a calculator built for one job: timecode math in video production. Add and subtract timecode, let it handle drop frame for you, and switch to a frame count with a single tap - all with the feel of an ordinary calculator. Supported frame rates 23.98 / 24 / 25 / 29.97 / 30 / 50 / 59.94 / 60 fps, plus hh:mm:ss for working without frames. Drop frame is applied automatically at 29.97 and 59.94 fps. Features - Add and subtract timecode - One-tap switching between timecode and frame count - Automatic drop frame handling (29.97 / 59.94 fps) - hh:mm:ss mode - Constant calculation for repeating the same operation - Memory functions (add, subtract, recall, clear) - Calculation history (up to 20 entries, tap to restore) - Copy and paste - Dark mode - iPhone and iPad, all four orientations - Dynamic Type and VoiceOver support Simple by design - No ads - No in-app purchases - No network access - works entirely offline - No analytics and no tracking Whether you are timing a shoot, finding an edit point, or adding up the length of your footage, tcCalc keeps the math out of your way.

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!

Screenshots

tcCalc4 screens
RZ Timecode Calculator4 screens

Verdict

The call

The clearest difference is price: RZ Timecode Calculator at Free against tcCalc's $0.99. RZ Timecode Calculator also leads on iOS requirement (15.6 vs 17.6). tcCalc's advantage is rating (4.7 vs 1.0) and ratings volume (76 vs 2). 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; tcCalc costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

tcCalc holds the better App Store score, 4.7 against 1.0. That said, the two scores are not equally well evidenced: tcCalc has 76 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

tcCalc ships an update every 3 months, RZ Timecode Calculator every 10 months. The most recent releases landed on September 23, 2026 and August 12, 2026 respectively.

Scorecard6 real differences · 4 level
tcCalc versus RZ Timecode Calculator: the parameters behind the verdict, then further details
ParametertcCalcRZ Timecode Calculator
Price$0.99Free — better
Rating4.7 (76 ratings) — better1.0 (2 ratings)
Positive reviews63.2% of reviews
Number of ratings76 — better2
Update frequencyEvery 3 months — betterEvery 10 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPadiPhone, iPod
Requires iOS17.615.6 — better
Further details — not scored
Size1 MB1 MB
Age rating4+4+
DeveloperRYUICHIROU SHIMONORobert L Zimmelman

Customer experience

tcCalc

All ratings76 ratings
Positive90.8%
Neutral6.6%
Negative2.6%
Written reviews19 reviews
Positive63.2%
Neutral15.8%
Negative21.1%

RZ Timecode Calculator

All ratings2 ratings
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

tcCalc

No in-app purchases

None

RZ Timecode Calculator

No in-app purchases

Questions

Is tcCalc free?
tcCalc costs $0.99, with no in-app purchases.
Is RZ Timecode Calculator free?
RZ Timecode Calculator is free to download, with no in-app purchases.
Which has better reviews, tcCalc or RZ Timecode Calculator?
tcCalc is rated higher. tcCalc averages 4.7 out of 5 from 76 ratings, while RZ Timecode Calculator averages 1.0 from 2 ratings.
Do tcCalc or RZ Timecode Calculator have ads?
Neither tcCalc nor RZ Timecode Calculator shows ads.
Which is updated more often, tcCalc or RZ Timecode Calculator?
tcCalc ships an update every 3 months, and RZ Timecode Calculator every 10 months. Most recently, tcCalc was updated on September 23, 2026 and RZ Timecode Calculator on August 12, 2026.

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