# Clapperboard (SMPTE/EBU Universal Time GMT Digital Slate)

> Digital clapperboard for video production with atomic clock synchronization. (iPhone/iPad app by Magno Urbano.)

- Source: https://appshunter.io/ios/app/clapperboard-smpteebu-universal-time-gmt-digital-slate/id1065136865 (this page in markdown: same URL + `.md`)
- Developer: [Magno Urbano](https://appshunter.io/developer/290406205)
- Category: Photo & Video, Productivity
- Price: Free with in-app purchases
- Rating: 3.00/5 from 2 App Store ratings · 2 written reviews indexed
- Age rating: 4+
- Requires: iOS 9.0 · 4 MB
- Languages: English, Japanese, Portuguese
- Released: 2016-02-25
- Data updated: 2026-07-01
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/clapperboard-smpteebu-universal-time-gmt-digital-slate/id1065136865/reviews.md

## What is Clapperboard (SMPTE/EBU Universal Time GMT Digital Slate)?

SMPTE/EBU Universal Time Clapperboard for iOS is a digital clapperboard that uses the power of atomic clocks over the web to keep time in sync, using an internal auto-correction mechanism and extra precision synchronization.

Keep your video productions updated to the mobile word at a very convenient format on your iPad and at a very low cost compared to standard digital clapperboards.

Works with all SMPTE and EBU timecode formats:

* SMPTE 29.97 FPS Non Drop Frame
* SMPTE 29.97 FPS Drop Frame
* SMPTE 30 FPS Non Drop Frame
* SMPTE 59.94 FPS Non Drop Frame
* SMPTE 59.94 FPS Drop Frame
* SMPTE 60 FPS Non Drop Frame
* EBU 23.976 FPS Non Drop Frame
* EBU 24 FPS Non Drop Frame
* EBU 25 FPS Non Drop Frame
* EBU 50 FPS Non Drop Frame

Clean design, simple, very easy to use and extremely versatile.

Don't waste more time!

## Key features

- Atomic clock time synchronization
- Internal auto-correction mechanism
- Supports SMPTE and EBU timecode formats
- Multiple FPS options
- Clean and simple design
- iPad optimized

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| PRO VERSION | $12.99 | one-time |


## Recent user reviews (2 of 2)

All indexed reviews: https://appshunter.io/ios/app/clapperboard-smpteebu-universal-time-gmt-digital-slate/id1065136865/reviews.md

### 5/5 — This clapperboard has gmt time

*2023-11-24*

It doesn’t matter what your time zone is so the clapperboard can be Changed using + or –

### 3/5 — No clap!

*2020-02-16*

Clever in many respects, but hardly universally useful without actually having an audible clap? 

Waste of 4 quid

## Frequently asked questions about Clapperboard (SMPTE/EBU Universal Time GMT Digital Slate)

### What time formats does Clapperboard support?

Clapperboard supports a wide range of SMPTE and EBU timecode formats, including various frame rates like 23.976, 24, 25, 29.97, 50, 59.94, and 60 FPS, with both drop frame and non-drop frame options.

### How does Clapperboard ensure accurate time synchronization?

Clapperboard utilizes atomic clocks over the web for its timekeeping. It also features an internal auto-correction mechanism and extra precision synchronization to maintain accuracy.

### Is Clapperboard available on Android devices?

Based on the provided information, Clapperboard is designed for iOS and is specifically supported on iPads.

### What is the user rating for Clapperboard?

Clapperboard has a user rating of 3.0 stars based on 2 ratings.

### When was Clapperboard last updated?

The latest version of Clapperboard was released on March 3, 2016, with the app first being released on February 25, 2016.

### Does Clapperboard have ads?

No, Clapperboard does not contain advertisements.

### What is the age rating for Clapperboard?

Clapperboard has an age rating of 4+, making it suitable for a wide range of users.

### Is Clapperboard free to use?

Yes, Clapperboard is available for free download and use.

## Version history (last 2 releases)

### 1.1 — 2016-03-03

This app has been updated by Apple to display the Apple Watch app icon.

* minor corrections

### 1.0 — 2016-02-25

No release notes.

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All apps by Magno Urbano: https://appshunter.io/developer/290406205

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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 2026-07-01.*