A practical comparison for camera assistants and small crews: cost, legibility, and whether you actually still need the plastic board.
Every set still needs a slate at the head of a take. The question that's changed in the last few years is whether that slate needs to be a physical clapperboard, or whether a digital clapperboard app on the phone or iPad already in your pocket does the job better.
Strip away tradition and a slate has three jobs: mark the exact frame where sound and picture can be synced, display the shot's metadata (production, scene, take, roll) clearly enough for an editor to read months later, and, ideally, carry accurate timecode so that sync is automatic rather than done by eye.
A plastic clapperboard does the first two reasonably well and the third one not at all, unless you also own a separate hardware timecode generator to write numbers on it by hand.
Dry-erase marker on a whiteboard slate is legible right up until someone writes in a hurry between takes, the marker starts running low, or the board gets a smear of rain on it. An editor squinting at a scrawled "8" that might be a "3" is a real, common problem in post.
A plastic slate shows whatever numbers someone wrote on it. It doesn't know what time it is, and it has no way to carry genuine SMPTE timecode. Any real jam sync still needs a separate box.
Every take that gets slated has to be logged somewhere else too, usually on paper, for the camera and sound reports the edit team will eventually want. That's a second job for the 2nd AC on top of the slate itself.
| Traditional slate | Digital clapperboard app |
|---|---|
| Handwritten fields | Typed, uniform, always legible |
| No real timecode | Genuine SMPTE / LTC timecode |
| Separate paper shot log | Automatic shot log, built in |
| Manual camera/sound reports | One-tap CSV, ALE, PDF export |
| Extra hardware for jam sync | Jam sync built into the same device |
The bigger shift isn't really the clapperboard part, it's that a proper digital slate quietly replaces two or three separate pieces of kit: the slate itself, a timecode generator, and the shot log.
This isn't a one-sided argument. A physical clapperboard has a satisfying, loud, unambiguous clap that some crews prefer, it needs no battery, and a lot of ACs simply like the tactile ritual of it. On a bigger production, a dedicated physical slate alongside a separate timecode box is still a completely valid, professional setup.
Where a digital clapperboard app tends to win is on smaller crews and independent productions, where buying a hardware slate and a separate timecode generator, easily several hundred pounds combined, isn't the best use of a limited budget, and where one person is often doing the job of two or three roles at once.
True-Slate is a digital clapperboard and film slate app for iPad and iPhone: real LTC jam sync in and out, an automatic shot log, and CSV, ALE and PDF exports. £2.99 once, no subscription.
Download on the App Store