# TC Calculator - Timecode — Fast drop-frame & SMPTE math

> Fast drop-frame & SMPTE math (iPhone/iPad app by DENZO LAB, INC..)

- Source: https://appshunter.io/ios/app/tc-calculator-timecode/id6801069009 (this page in markdown: same URL + `.md`)
- Developer: [DENZO LAB, INC.](https://appshunter.io/developer/6798502577)
- Category: Photo & Video, Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 15.0 · 2 MB
- Languages: American English
- Released: 2026-08-19
- Data updated: 2026-09-27
- User reviews in markdown: https://appshunter.io/ios/app/tc-calculator-timecode/id6801069009/reviews.md

## What is TC Calculator?

TC Calculator is a fast, no-nonsense timecode calculator built for video and film professionals on set and in post.

Add and subtract timecodes in a single tap and read the result instantly, with live conversions to frames, seconds, and feet+frames.

FRAME RATES
Work in any of nine frame rates: 23.976, 24, 25, 29.97, 30, 48, 50, 59.94, and 60 fps.

DROP-FRAME DONE RIGHT
Correct drop-frame (DF) and non-drop (NDF) math, including the proper ";" and ":" separators. 29.97 and 59.94 drop-frame are handled exactly, with 24-hour wrap-around.

INSTANT CONVERSIONS
Every result shows total frames, real-time seconds, and feet+frames (35mm, 16 frames/foot) at a glance.

MADE FOR THE JOB
- Clean, dark interface that's easy to read on set
- A and B operands with quick clear buttons
- Calculation history that remembers your confirmed results
- Works fully offline — no sign-in, no setup

PRIVATE BY DESIGN
No account, no servers, no tracking, no ads. The app collects nothing; everything stays on your device.

TC Calculator is a reference tool. Results are calculated from the values you enter — for delivery-critical work, always verify against your production's official timecode references.


## Version history (last 1 release)

### 1.0 — 2026-08-19

No release notes.

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## More apps by DENZO LAB, INC.

- [ShiftDial: 24h Shift Clock](https://appshunter.io/ios/app/shiftdial-24h-shift-clock/id6798502575)

All apps by DENZO LAB, INC.: https://appshunter.io/developer/6798502577

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-27.*