Comparison

RedGrid vs RLT SYSTEM MASTER

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

Head to head
About

RedGrid

This app helps users consistently track their low-level light therapy (LLLT) for hair regrowth. It offers tools for logging sessions, aligning progress photos with a unique overlay, and analyzing consistency to optimize results.

Highlights
  • Universal device hub for LLLT hardware
  • Smart habit and streak tracking
  • Visual Growth Journal with ghost mode overlay
  • Precision analytics for session data
  • Private and secure data storage
  • Custom schedule creation (Pro)
Features
Read full description

Welcome to RedGrid: The Ultimate Hair Regrowth & LLLT Tracker. Hair restoration is a marathon, not a sprint. The hardest part of any hair protocol isn't the treatment itself—it’s staying consistent through the months of waiting. RedGrid is the definitive digital companion built to track your Low-Level Light Therapy (LLLT) routine, specifically designed to help you maintain the discipline required for real results. Whether you use a laser cap, laser mask, laser wand, or a laser panel, RedGrid brings your entire tracking protocol into one sleek, premium dashboard. Stop guessing your usage, forgetting your sessions, and taking poorly aligned progress photos. RedGrid is designed to optimize your journey, turning the daily grind into a measurable, rewarding habit. WHY REDGRID? Regrowth requires relentless consistency. RedGrid bridges the gap between your physical hardware and your digital lifestyle, providing the precise analytics and visual alignment tools you need to stay committed to the process. CORE FEATURES UNIVERSAL DEVICE HUB Works seamlessly with the LLLT caps, helmets, and wands you already own. Create custom profiles for your hardware, log your specific device parameters, and manage everything. SMART HABIT & STREAK TRACKING Never break your streak. RedGrid acts as your personal accountability partner, logging your active sessions and building the daily momentum needed to push through your journey. THE VISUAL GROWTH JOURNAL Visual proof is your ultimate motivation. Use our built-in Ghost Mode overlay to perfectly align your weekly hairline and crown photos. Map your routine, track your consistency, and see your actual progress unfold without the guesswork of bad camera angles. PRECISION ANALYTICS Track every single session. Monitor your estimated light exposure, calculate session lengths, and review your weekly consistency charts to ensure you are hitting your exact protocol targets. PRIVATE & SECURE Your journey is personal. RedGrid is designed as a private digital sanctuary. With seamless Apple Sign-In and a strict focus on data privacy, there are no social feeds or public leaderboards—just your personal data and progress photos, securely stored. UNLOCK REDGRID PRO Elevate your routine with RedGrid Pro. Gain access to advanced insights, unrestricted Growth Journal entries, and custom schedule creation. Experience the full power of targeted digital tracking with our frictionless 14-day free trial. Disclaimer: RedGrid is designed for tracking general wellness and lifestyle routines. It is not intended to diagnose, treat, cure, or prevent any disease or medical condition. Please consult a healthcare professional before beginning any new wellness regimen. Download RedGrid today, press play, and build your ultimate wellness habit. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

RLT SYSTEM MASTER

Features
Read full description

The RLT System Master app gives you convenient remote control of your FS8 or FS2 panel. To connect, simply select the same group number in the app and on your panel. Once the group numbers match, the app is connected to the panel. You can then select the desired channels, set the session time and pulse frequency, or choose from the built-in smart modes. Once your settings are confirmed, you can start your therapy session directly from the app. The panel will turn on automatically and shut off when the selected session time is complete. With the RLT System Master app, customizing and managing your red light therapy sessions is simple, convenient, and effortless.

Screenshots

RedGrid4 screens
RLT SYSTEM MASTER3 screens

Verdict

The call

The clearest difference is in-app purchases: RLT SYSTEM MASTER at none against RedGrid's 2. RLT SYSTEM MASTER also leads on update cadence (every 4 days vs every 2 months) and iOS requirement (12.0 vs 15.1). On price, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. RedGrid sells 2 in-app purchases, starting at $9.99 per month. RLT SYSTEM MASTER asks for nothing beyond the download.

UpkeepUpdate frequency

RedGrid ships an update every 2 months, RLT SYSTEM MASTER every 4 days. Both last shipped on October 31, 2026.

Scorecard3 real differences · 6 level
RedGrid versus RLT SYSTEM MASTER: the parameters behind the verdict, then further details
ParameterRedGridRLT SYSTEM MASTER
PriceFreeFree
Rating5.0 (3 ratings) — better—
Number of ratings3 — better—
Update frequencyEvery 2 monthsEvery 4 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.112.0 — better
Further details — not scored
Size49 MB37 MB
Age rating4+4+
DeveloperJORDAN ZIMMER中玲 曹

In-app purchases

2 purchases

RedGrid

Subscriptions2
  • Pro Monthly$9.991 Month
  • Pro Annual$79.991 Year
None

RLT SYSTEM MASTER

No in-app purchases

Questions

Is RedGrid free?
RedGrid is free to download, with in-app purchases available.
Is RLT SYSTEM MASTER free?
RLT SYSTEM MASTER is free to download, with no in-app purchases.
Do RedGrid or RLT SYSTEM MASTER have ads?
Neither RedGrid nor RLT SYSTEM MASTER shows ads.
Which is updated more often, RedGrid or RLT SYSTEM MASTER?
RedGrid ships an update every 2 months, and RLT SYSTEM MASTER every 4 days. Most recently, RedGrid was updated on October 31, 2026 and RLT SYSTEM MASTER on October 31, 2026.

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