Comparison

JSlate vs Holly Timecode

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

JSlate

Features
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[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

About

Holly Timecode

Features
Read full description

Holly Timecode turns your device into a professional SMPTE Linear Timecode (LTC) generator. Feed frame-accurate timecode to cameras, field recorders, and any gear with a timecode or audio input. FRAME RATES - 23.976, 24, 25, 29.97 (drop-frame and non-drop-frame), and 30 fps - Correct drop-frame counting that stays locked to wall-clock time START MODES - Jam to time-of-day, or start from any custom timecode GeoLTC - LOCATION IN THE USER BITS - Optionally embed live GPS, heading, pitch, and roll into the LTC user bits - Or carry the date, a custom value, or nothing at all BUILT FOR THE SET - Large, glanceable timecode display - Live audio level meter and output-level presets (including broadcast -18 dBFS) - Wired-output detection so you know the signal is really going out FREE TO USE - Every feature is free - no paywall, no feature gates. - An optional supporter subscription (where available) helps fund development. It unlocks nothing. PRIVACY - No account, no tracking, no ads. Everything runs on your device. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

JSlate3 screens
Holly Timecode4 screens

Verdict

The call

The clearest difference is update cadence: JSlate at every 2 days against Holly Timecode's every 3 months. Holly Timecode's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

JSlate ships an update every 2 days, Holly Timecode every 3 months. The most recent releases landed on September 20, 2026 and September 28, 2026 respectively.

Scorecard2 real differences ยท 4 level
JSlate versus Holly Timecode: the parameters behind the verdict, then further details
ParameterJSlateHolly Timecode
PriceFreeFree
Update frequencyEvery 2 days โ€” betterEvery 3 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhoneiPhone, iPad, Mac โ€” better
Requires iOS18.017.0 โ€” better
Further details โ€” not scored
Size5 MB12 MB
Age rating4+4+
DeveloperKEISUKE TONEPatrick Tudor

In-app purchases

None

JSlate

No in-app purchases

None

Holly Timecode

No in-app purchases

Questions

Is JSlate free?
JSlate is free to download, with no in-app purchases.
Is Holly Timecode free?
Holly Timecode is free to download, with no in-app purchases.
Do JSlate or Holly Timecode have ads?
Neither JSlate nor Holly Timecode shows ads.
Which is updated more often, JSlate or Holly Timecode?
JSlate ships an update every 2 days, and Holly Timecode every 3 months. Most recently, JSlate was updated on September 20, 2026 and Holly Timecode on September 28, 2026.

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