tcCalc vs RZ Timecode Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Timecode and frame calculations
- Convert between timecode and frames
- Supports multiple frame rates
- Automatic value adjustment
- Copy and paste functionality
- Memory function
- Calculation history
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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.
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.
- Timecode calculations
- Video editing assistance
- Animation support
- Field use utility
- Simple interface
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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
Verdict
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
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.
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.
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.
| Parameter | tcCalc | RZ Timecode Calculator |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 4.7 (76 ratings) — better | 1.0 (2 ratings) |
| Positive reviews | 63.2% of reviews | — |
| Number of ratings | 76 — better | 2 |
| Update frequency | Every 3 months — better | Every 10 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 17.6 | 15.6 — better |
| Further details — not scored | ||
| Size | 1 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | RYUICHIROU SHIMONO | Robert L Zimmelman |
Customer experience
tcCalc
RZ Timecode Calculator
In-app purchases
tcCalc
No in-app purchases
RZ Timecode Calculator
No in-app purchases
Questions
Is tcCalc free?
Is RZ Timecode Calculator free?
Which has better reviews, tcCalc or RZ Timecode Calculator?
Do tcCalc or RZ Timecode Calculator have ads?
Which is updated more often, tcCalc or RZ Timecode Calculator?
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