MesoBuilder vs RepLoggr
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MesoBuilder
This app helps lifters and coaches create structured training plans, log workouts, and track progress without spreadsheets. It offers intelligent progression suggestions and analysis of training blocks. Tools are available for both individual athletes and professional coaching workflows.
- Create multi-week training blocks
- Log sets, RIR, and notes
- Track volume and adherence
- Analyze mesocycle performance
- Intelligent progression suggestions
- Coach and lifter modes
- iCloud data storage
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MesoBuilder is the training app that shows its work. Build multi week mesocycles for hypertrophy and strength, log every set, and get weekly load and rep prescriptions you can actually check: tap any recommendation to see the exact numbers behind it. No black boxes, no spreadsheets. Your first mesocycle is completely free with the full engine. After it, logging, history, and trends stay free forever, and the engine becomes a subscription. ---- AN ENGINE THAT SHOWS ITS WORK • Weekly progression prescriptions computed from the weight, reps, and RIR (reps in reserve) you actually log • Prescription receipts: every recommendation comes with the arithmetic that produced it • Effort aware: log RIR per set so the engine knows how hard each week really was • Rough day protocol: flag an off day and the engine adapts the session without letting one bad day drag your numbers down • Machine stacks: swap a prescribed weight for what your machine actually has and the rep target recalculates to match ---- A MEMORY THAT SPANS BLOCKS • Never start a block cold: week 1 comes prefilled from what you lifted last block • Compare completed mesocycles side by side • Track volume trends with sets per muscle group • Follow repeated lifts across training blocks to see long term progress • Check mid block trends without waiting for the block to end ---- FOR LIFTERS • Build multi week mesocycles from 26 ready made templates or from scratch • Log weight, reps, RIR, and notes for every set • Live workout timers and Home Screen widgets keep sessions on track • Your data backs up to your personal iCloud and syncs across your devices Engine prescriptions beyond your first mesocycle require an Individual subscription. Logging and history never do. ---- FOR COACHES Coach clients remotely without accounts or spreadsheets. Your client enters a 6 character code and you are linked. • Build and deliver multi week programs straight to each client's phone • See logged results, effort, and adherence as your clients train • Message your clients right in the app • Turn on automatic weekly progression per client • MesoBuilder is completely free for your clients • Coach includes everything in Individual, so your own training keeps the full engine Your first 2 clients are free with full features. A Coach subscription expands your roster. ---- DESIGNED FOR IPHONE AND IPAD On iPhone, MesoBuilder is the logbook in your pocket. On iPad, it becomes a coaching cockpit: manage templates, clients, and programs side by side. ---- PRIVACY FIRST Your personal training data is stored in your own iCloud account using Apple's CloudKit, where the developer cannot read it. If you link with a coach or client, the programs, results, and messages you exchange are delivered through a MesoBuilder operated relay and deleted on a fixed retention schedule. Analytics are anonymous and privacy preserving. ---- BUILT BY A LIFTER MesoBuilder is independently built and maintained by a lifter who wanted a more honest way to plan training. Feedback is always welcome, and user input directly shapes updates. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://mesobuilder.app/privacy
RepLoggr
Effortlessly log your workouts, track your strength gains with interactive charts, and stay motivated with daily quotes. This app offers a comprehensive exercise library, built-in timers, and workout history to help you reach your fitness goals.
- Extensive exercise library with custom options
- Quick and easy workout logging
- Visual progress tracking with charts
- Built-in rest and interval timers
- Daily motivational quotes
- Detailed workout history
- Data backup and export
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Train. Track. Repeat Every rep counts. RepLoggr makes it effortless to capture your workouts, visualize your progress, and stay motivated—so you can focus on getting stronger, every day. KEY FEATURES Exercise Library: Browse hundreds of exercises with clear instructions and muscle group breakdowns. Add your own custom moves to personalize your training. Effortless Workout Logging: Quickly record sets, reps, and weights with a tap. Save time with smart templates and one-tap rest timers. Progress Tracking: See your strength gains at a glance. Interactive charts and stats help you spot trends and break plateaus. Timers: Built-in rest and interval timers help you stay focused and optimize your workouts without leaving the app. Daily Motivational Quotes: Start each day inspired with hand-picked motivational quotes to keep you moving toward your goals. Workout History: Review your full training history by date, exercise, or template. Never lose track of your hard work. Exercise Photos: Snap and attach photos to any exercise to quickly visualize exercises . Reminders & Notifications: Stay on track with custom workout reminders and motivational Data Backup & Restore: Export your data as CSV or JSON for easy backup, analysis, or transfer to another device. Dark mode and dynamic type supported for comfortable viewing. Personalize your experience with theme and unit preferences. Whether you’re a beginner or a seasoned athlete, RepLoggr helps you stay organized, motivated, and on track to reach your fitness goals.
Screenshots
Verdict
The clearest difference is in-app purchases: RepLoggr at none against MesoBuilder's 4. RepLoggr also leads on ratings volume (4 vs 1). On price, rating, review sentiment and update cadence 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. MesoBuilder sells 4 in-app purchases, starting at $3.99 per month. RepLoggr asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for MesoBuilder against 5.0 for RepLoggr. Both are backed by a comparable volume of ratings — 1 and 4 respectively. Written reviews split almost evenly too, at 100% and 100% positive.
MesoBuilder ships an update every 3 days, RepLoggr every 4 days. The most recent releases landed on September 14, 2026 and July 4, 2026 respectively.
| Parameter | MesoBuilder | RepLoggr |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (4 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 1 | 4 — better |
| Update frequency | Every 3 days — better | Every 4 days |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | Free — better |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 21 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | Devin Tassin | Amil Kolontarov |
Customer experience
MesoBuilder
RepLoggr
In-app purchases
MesoBuilder
- Individual - Monthly7 Days trial$3.991 Month
- Coach - Monthly7 Days trial$5.991 Month
- Individual - Annual7 Days trial$39.991 Year
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- Coach - Annual7 Days trial$59.991 Year
RepLoggr
No in-app purchases





