# JSlate: Production Timer

> JSlate: Production Timer (iPhone/iPad app by KEISUKE TONE.)

- Source: https://appshunter.io/ios/app/jslate-production-timer/id6762127732 (this page in markdown: same URL + `.md`)
- Developer: [KEISUKE TONE](https://appshunter.io/developer/1893035978)
- Category: Photo & Video, Productivity
- Price: Free
- Age rating: 4+
- Requires: iOS 18.0 · 5 MB
- Languages: English, Japanese
- Released: 2026-04-14
- Data updated: 2026-10-07

## What is JSlate?

[Elevate Your Workflow. High-Precision Timer for the AI Era.]
JSlate is a high-precision timer and logging tool built for professional video production - from live broadcast to film and commercial sets. Featuring a minimalist "equipment-grade" UI, it provides advanced logging capabilities optimized for next-generation AI analysis.

[Key Features]
(1) TIMER Mode: Precise Progress Management
High-Precision Timecode: Professional digital font for maximum on-set visibility.
Flexible Time Settings: Configure start time by the second and countdown modes.
Independent Tracking: Measure time independently from the real-time clock - ideal for broadcast segments.
Industry Standards: Supports multiple frame rates (24/30/60fps) and 00/01/10H display modes.

(2) SHOT Mode: Next-Gen Field Logging
Digital Slate: Large, intuitive Scene/Cut/Take display for fast identification.
One-Tap Logging: Instantly record every take with a single tap.
AI Workflow Integration: Manage all take logs in a comprehensive list for seamless export to AI analysis or post-production.
Smart Auto-Reset: Automatic reset function linked to the start of recording (REC).

[Built on Professional Trust: Three Zeros]
Confidentiality and speed are our priorities.
Zero Setup: No account creation or login. Ready to use immediately after installation.
Zero Data Leaks: 100% local design. No server communication ensures your sensitive data stays on your device. *Note: Location data used for local logging only.
Zero Cost: Completely free. No ads or in-app purchases to interrupt your professional work.

[Target Users]
Broadcast Directors & Timekeepers
Cinematographers & Script Supervisors
Independent Creators pursuing professional quality
Editors building AI-driven post-production workflows


## Version history (last 5 releases)

### 1.52 — 2026-04-29

Added a simple clock mode (CLOCK) and optimized SHOT mode for better readability on iPad and Mac.
Updated TIMER countdown logic to use a 12-hour window as the reference.

### 1.5 — 2026-04-23

Compatible with Apple Silicon Macs.

### 1.4 — 2026-04-21

Scene/Cut/Take keypad redesigned; display improved on small screen

### 1.31 — 2026-04-20

Supports simultaneous display of Countdown and Elapsed Time (0/1/10H)

### 1.02 — 2026-04-18

v1.01 (2026/04/16)

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## More apps by KEISUKE TONE

- [JCue](https://appshunter.io/ios/app/jcue/id6765903339)
- [TinyRiff](https://appshunter.io/ios/app/tinyriff/id6770297105)
- [TinyTone](https://appshunter.io/ios/app/tinytone/id6772552687)

All apps by KEISUKE TONE: https://appshunter.io/developer/1893035978

## Related topics

[production timer](https://appshunter.io/ios/topics/production-timer) · [production slate](https://appshunter.io/ios/topics/production-slate)

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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 2026-10-07.*