IronLog vs Mark
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
IronLog
This app helps lifters quickly log gym sets, track progress with charts and PRs, and manage workout history. It offers features like rest timers, Apple Watch integration, and optional advanced analytics for a streamlined training experience.
- Fast set logging
- Workout templates
- Personal record detection
- Rest timers and notifications
- Progress charts
- Apple Watch logging
- Apple Health integration
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Iron Log is a fast, focused workout tracker for lifters who want to log sets without fighting the app. Start a workout, tap through sets, watch your rest timer, and finish with a clean summary. Iron Log keeps your training history, templates, PRs, charts, and Apple Watch logging in one place. Built for real gym flow: - Log weight, reps, notes, warmups, and completed sets quickly - Reuse workout templates that remember your previous weights - Detect personal records as you train - Use rest timers, Live Activities, and notifications between sets - Review workout history by date - Track progress charts for max weight, volume, and estimated strength - Log body measurements alongside training - Import and export CSV files - Start and log workouts from Apple Watch - Save completed workouts to Apple Health when you choose Your data stays yours. Iron Log stores workout data on your device and can sync through your private iCloud. There is no social feed and no account required. Optional Iron Log Pro features include advanced progress charts, full workout history beyond the last 90 days, CSV import, unlimited custom exercises, training schedule, and alternate app icons. Iron Log is for strength training, bodybuilding, powerlifting, and anyone who wants a clean lifting log that gets out of the way.
Mark
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Log workouts like Notes. Find what you lifted last time. Mark-1 is a workout journal for iPhone that keeps your sets, weights and training notes together. Write in your own shorthand or follow a saved routine. WRITE YOUR WORKOUT Type “bench press 185x8,8,7” to record three sets. Mark-1 recognizes supported exercise names, weights and reps and organizes them into your training history. Add a note about how a set felt without leaving your workout. REMEMBER YOUR LAST LIFT Look back at previous weights and reps. Explore exercise history, personal records and progress charts, so you have something concrete to refer to for your next session. FOLLOW A ROUTINE Create unlimited routines for free. Check off completed sets, adjust weights and reps, and reorder exercises to match your session. KEEP YOUR TRAINING TOGETHER Browse past workouts on the calendar. Correct an entry or add a workout you missed. Export your performed lift history as a CSV. MAKE IT YOURS Choose sage, rose or lavender, with light, dark and system modes. MARK-1 PREMIUM (OPTIONAL) Core logging, routines, history and charts stay free. Mark-1 Premium is an optional auto-renewable subscription ($4.99 per month in the US) that adds training plans built around your schedule and Insights on your lifts. Coaching is in a limited early rollout and is not included for new subscribers yet. Payment is charged to your Apple ID account at confirmation of purchase. The subscription renews automatically each month unless cancelled at least 24 hours before the end of the current period. Manage or cancel anytime in your App Store account settings. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://mk1.energy/privacy Your workout, your words.
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Verdict
IronLog and Mark 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. IronLog sells 1 one-off in-app purchase and Mark sells 1 in-app purchase, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.
| Parameter | IronLog | Mark |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | — | Every 5 days |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone, Apple Watch — better | iPhone |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 6 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Quinten Sinclair | Mark-1 Performance LLC |
In-app purchases
IronLog
- IronLog Pro$9.99
Mark
- Mark-1 Premium$4.991 Month









