J vs Mariners Log
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
J
Easily manage and configure compatible J-Tech Digital A/V equipment directly from your mobile device. Control routing settings, save configurations, and connect devices without needing a physical keyboard or mouse.
- Control routing settings
- Manage multiple devices
- Remember device settings
- Save/Load routing settings
- Configure A/V equipment
- Connect devices remotely
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Control your J-Tech Digital A/V products from your mobile device. Our lightweight app provides all the tools you need to manage compatible audiovisual equipment from our wide range of products. With video walls, matrix switches, AV-over-IP, and more - we've got you covered for your home or business, and with this app you can configure and connect your new devices without a physical keyboard or mouse. Features • Control routing settings • Manage multiple devices • Remember device settings even after you close your app • Save/Load commonly-used routing settings Compatible Models include: • JTECH-H264-N2N-R • JTECH-H264-N2N-T • JTECH-4K88-EX2 • JTECH-4KM44A • JTECH-4x4-HDBaseT • JTECH-8X8-EX50M • JTECH-8X8-H20 • JTECH-ENCH4 • JTECH-ENCH4A • JTECH-MX443-UHD • JTECH-MX445-UHD • JTECH-MXT40 • JTECH-MXT40v2 • JTECH-MXT60 • JTECH-NS24 • JTECH-NS48 • JTECH-VW09 • JTECH-VWM04 • JTECH-VWM90 • JTECH-4KMX256A • JTECH-4KMX256-EX100 • JTECH-88B
Mariners Log
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Mariners Log is management software designed to manage your vessel's engineering department with simplicity, reliability and safety being the focus points.
Screenshots
Verdict
The clearest difference is update cadence: J at fortnightly against Mariners Log's every 4 months. Mariners Log's advantage is iOS requirement (11.0 vs 13.0). 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.
J ships an update fortnightly, Mariners Log every 4 months. The most recent releases landed on June 1, 2026 and May 15, 2026 respectively.
| Parameter | J | Mariners Log |
|---|---|---|
| Price | Free | Free |
| Rating | 2.6 (5 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Fortnightly — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 59 MB | 57 MB |
| Age rating | 4+ | 4+ |
| Developer | J-Tech Digital, Inc | Kengineer Limited |
In-app purchases
J
No in-app purchases
Mariners Log
No in-app purchases
