# TC Organizer vs Time Duration/Add Calculator

The clearest difference is review sentiment: TC Organizer at 100% against Time Duration/Add Calculator's 25%. TC Organizer also leads on ads (none vs shown). Time Duration/Add Calculator's advantage is price (Free vs $1.99) and update cadence (every 9 months vs every 73 months). On in-app purchases and device support there is nothing between them.

Time Duration/Add Calculator is free to download; TC Organizer costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

TC Organizer ships an update every 73 months, Time Duration/Add Calculator every 9 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | TC Organizer | Time Duration/Add Calculator |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/time-durationadd-calculator/id1521417824/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | **100.0% of reviews** | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 73 months | **Every 9 months** |
| Monetization | Paid | **Ad-supported** |
| Size | 39 MB | 17 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [KYOUNG KUEN CHUNG](https://appshunter.io/developer/687596731) | [Kouji Yamauchi](https://appshunter.io/developer/1519365107) |

## What reviewers say

### TC Organizer

[App page](https://appshunter.io/ios/app/tc-organizer/id687595988)

This utility app calculates and predicts timecode conversions between various broadcast and film industry standards, including 23.98, NTSC 29.97, and PAL 25. It offers source and target modes for flexible workflow integration.

**Highlights:** Timecode conversion (23.98, 29.97, 25), Source and Target calculation modes, Supports NTSC and PAL standards, EDL (CUT point) timecode display, Adjustable TC sync points (0H, 1H, 10H), Frame-to-frame and pull-down conversion assumptions

**Features:** macOS Compatibility

**In-app purchases:** none


### Time Duration/Add Calculator

[App page](https://appshunter.io/ios/app/time-durationadd-calculator/id1521417824)

Easily calculate elapsed time between two points or determine an end time based on a start time and duration. It also converts time into various units like days, hours, minutes, and seconds.

**Highlights:** Calculate elapsed time from start and end times, Calculate end time from start time and elapsed duration, Display time between start and end dates/times, Convert time into days, hours, minutes, and seconds, Easily enter current time, Calculate time before a given duration

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TC Organizer free?

TC Organizer costs $1.99, with no in-app purchases.

### Is Time Duration/Add Calculator free?

Time Duration/Add Calculator is free to download, with no in-app purchases.

### Do TC Organizer or Time Duration/Add Calculator have ads?

Time Duration/Add Calculator shows ads; TC Organizer does not.

### Which is updated more often, TC Organizer or Time Duration/Add Calculator?

TC Organizer ships an update every 73 months, and Time Duration/Add Calculator every 9 months. Most recently, TC Organizer was updated on November 1, 2026 and Time Duration/Add Calculator on November 3, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*