Calmer OS vs REDLN
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calmer OS
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Enjoy Time for Yourself with Calmer OS, anytime and everywhere! In our fast-paced world, it’s important to pause and recharge. Calmer OS is a simple and intuitive app designed to help you unwind, meditate, breath or simply enjoy a peaceful moment. Whether you need a quick break during your busy day, a moment of mindfulness in the morning, or a way to wind down after meetings, Calmer OS is here to help you find peace and focus.
REDLN
This app helps weightlifters and fitness enthusiasts track workouts, monitor personal records, and visualize progress with a distraction-free interface. Log sets, reps, and weights easily, and automatically celebrate new personal bests. Customize workout splits and access an extensive exercise library.
- Effortless workout tracking
- Automatic PR tracking
- Customizable workout splits
- Extensive exercise library
- Progress visualization
- Private and secure local data storage
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Build Strength. Track Progress. Crush Your Goals. IronLog is the ultimate companion for weightlifters, bodybuilders, and fitness enthusiasts who want to focus on their training, not their phone. With a sleek, distraction-free interface, IronLog makes it effortless to track your workouts, monitor your Personal Records (PRs), and visualize your gains over time. Whether you're hitting a new 1RM on the bench press or staying consistent with your weekly splits, IronLog keeps your data organized and your motivation high. Key Features: Effortless Workout Tracking Log your sets, reps, and weights with ease. The intuitive interface is designed to be used between sets without slowing you down. Automatic PR Tracking Never forget a milestone. IronLog automatically detects and celebrates your Personal Records, tracking: Max Weight: Your heaviest lift. Max Reps: Your best endurance sets. Max Volume: Total tonnage moved in a set. Customizable Splits Build the perfect routine for your goals. Create custom workout splits (Push/Pull/Legs, Upper/Lower, Bro Splits) and organize your training week just the way you like it. Extensive Exercise Library Access over 50+ built-in exercises with detailed instructions and muscle group breakdowns. From main compound lifts like Squats and Deadlifts to isolation movements, we've got you covered. Visualize Your Progress Track your history and see how far you've come. Monitor your bodyweight trends and workout consistency to stay on top of your fitness journey. Private & Secure Your data is yours. IronLog stores your workout history locally on your device using the latest secure technologies.
Screenshots
Verdict
Calmer OS and REDLN are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
| Parameter | Calmer OS | REDLN |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Number of ratings | — | 2 — better |
| Update frequency | Every 2 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.0 — better | 18.6 |
| Further details — not scored | ||
| Size | 12 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Petr Betak | colby truex |
In-app purchases
Calmer OS
No in-app purchases
REDLN
No in-app purchases
