JSlate vs Lutaro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
JSlate
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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
Lutaro
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Lutaro is a library manager and editor for Sony camera color presets - Picture Profiles and Creative Looks. Build and organize your own library: create, duplicate, tag, favorite, and search. Edit every property - gamma, black gamma, knee, color mode, color depth, detail, sharpness, clarity, and white balance - with a full native editor on iPhone and iPad. Connect to your Sony α camera to read the Picture Profiles and Creative Looks stored on it and write your edits back. Lutaro finds the camera on your Wi-Fi network, or - when you have no network in the field - uses Bluetooth to have the camera start its own hotspot and connects directly. Either way, everything stays between your phone and your camera. - Full profile editor with per-property control - Picture Profiles and Creative Looks, in one library - Tag-based organization, favorites, and search - Import and export profiles as shareable packages via the Files app - Optional iCloud sync of your library across devices - Includes starter profiles plus eight free film-simulation profiles by Veres Deni Alex, included with permission - No accounts, no analytics, no data collection A Sony camera is required only for the camera features; the library and editor work entirely offline. Tested with the Sony α6700. Lutaro is an independent app and is not affiliated with or endorsed by Sony. Supported cameras: Full Picture Profile editing, Wi-Fi and USB: - α6700 (verified) - α1 II, α1 - α9 III - α7R VI, α7R V, α7 V, α7 IV, α7S III, α7C II (verified), α7CR - FX3, FX30, FX2 - ZV-E1, ZV-E10 II - RX1R III - ILX-LR1 Picture Profile selection only, no parameter editing (as Sony SDK says): - α9 II - α7R IV / IVA - α7C - ZV-E10 - ZV-1, ZV-1 II, ZV-1F, RX0 II, RX100 VII (USB cable only, no Wi-Fi) α6600, α6400, α6100, α7 III, α7R III, α7 II, RX100 VA, RX10 IV, HX99 - support only old Sony protocol which doesn't support Picture Profile modification.
Screenshots
Verdict
The clearest difference is update cadence: JSlate at every 2 days against Lutaro's every 6 days. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
JSlate ships an update every 2 days, Lutaro every 6 days. Both last shipped on October 7, 2026.
| Parameter | JSlate | Lutaro |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 days — better | Every 6 days |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 18.0 | 18.0 |
| Further details — not scored | ||
| Size | 5 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | KEISUKE TONE | Dmitrii Tarakanov |
In-app purchases
JSlate
No in-app purchases
Lutaro
No in-app purchases









