Comparison

M3softwareFit vs StrengthLog

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

Head to head
About

M3softwareFit

Features
Read full description

This app is for the members that use the M3Fit fitnesscenter system. With the app the member can: - get open hour information about a FitnessCenter - get contract info to a FitnessCenter - book training sessions - cancel booked training sessions This app is connected to M3Software AB FitnessCenter.

About

StrengthLog

This app helps users plan and track their strength training progress with a vast exercise library and detailed analytics. It offers features for both beginners and experienced lifters, including social challenges and custom routine building. A generous free version is available, with an optional premium subscription for advanced tools.

Highlights
  • Unlimited workout logging
  • 600+ exercises with videos
  • Custom routine building
  • Progress tracking and analytics
  • Social challenges with friends
  • Rest timer and plate calculator
  • Body measurement tracking
Features
Read full description

THE WORLD’S MOST GENEROUS WORKOUT TRACKER StrengthLog is the workout tracker for people who take their training seriously, whether you’re just getting started or have been lifting for decades. Plan your training. Log every set. Track your progress. Follow proven training programs or build your own. Compare your strength with other lifters. Set goals, build streaks, and challenge your friends. And unlike many workout apps, StrengthLog gives you everything you need to train effectively for free. Unlimited workout logging. No ads. No trial that suddenly locks you out. 100% gains, 0% ads. BUILT FOR LIFTERS, BY LIFTERS StrengthLog has been developed together with hundreds of thousands of lifters, from beginners to competitive strength athletes. Our library contains 600+ strength, cardio, and mobility exercises with instructions and videos. You can also create your own exercises. Log as you train or plan ahead with our calendar. Follow a ready-made training program, build your own, or simply decide what to do when you get to the gym. Your training history, PRs, statistics, and Strength Levels make it easy to see where you’ve been and where you’re going. TRAIN TOGETHER Connect with friends and make your training a little more social. See when your friends train, celebrate their progress, compare PRs and Strength Levels, and create or join challenges together. Challenge each other to train more often, do more reps, or reach whatever ridiculous goal you can come up with. You choose who you connect with, and your full training log stays private. FREE FEATURES • Log unlimited workouts, forever. • Support for both kg and lbs. • 600+ exercises with instructions and videos. • Create unlimited custom exercises. • Follow popular workouts and training programs. • Build your own routines and programs with linear progression. • Plan workouts and programs in your training calendar. • Track PRs and exercise history. • Compare your strength with other lifters using Strength Levels. • Track training volume, workouts, and other statistics. • Create training goals and streaks. • Complete our monthly challenges. • Connect with friends and challenge each other. • Use our rest timer and plate calculator. • Estimate your 1RM and get suggested PR warm-ups. • Track body measurements and progress pictures. • Connect with Apple Health. GO PREMIUM StrengthLog Premium unlocks our most advanced tools while supporting the continued development of the app. Premium includes: • Build unlimited training routines and programs with double and triple progression. • Our complete library of training programs for strength, bodybuilding, powerlifting, powerbuilding, sports, and more. • Advanced statistics for your training, muscle groups, and exercises. • Muscle heat maps showing what you’ve trained over any period. • Customizable favorite graphs. • Advanced logging with RPE, Reps in Reserve, % of 1RM, and quick set stats. • More tools for analyzing and planning your training. • Unlimited goals and streaks. • Connect your account to ChatGPT or Claude using our MCP integration. Whether you want a simple workout log or enough training data to disappear down a statistical rabbit hole for an entire evening, StrengthLog has you covered. Have an idea, found a bug, or just want to tell us what you think? Contact us at app@strengthlog.com. SUBSCRIPTIONS StrengthLog Premium is an automatically renewing subscription. • Choose between 1, 3, and 12 months. • Your App Store account will be charged upon purchase and your subscription will renew automatically unless canceled at least 24 hours before the end of the current period. • You can manage or turn off auto-renewal in your App Store account settings. APPLE HEALTH With your permission, StrengthLog can read relevant data from Apple Health and share your completed workouts with it. You control what data StrengthLog can read or write through your Apple Health permissions.

Screenshots

M3softwareFit4 screens
StrengthLog4 screens

Verdict

The call

The clearest difference is in-app purchases: M3softwareFit at none against StrengthLog's 3. StrengthLog's advantage is update cadence (weekly vs monthly). On price, ads, device support and iOS requirement 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. StrengthLog sells 3 in-app purchases, starting at $16.90 per month. M3softwareFit asks for nothing beyond the download.

UpkeepUpdate frequency

M3softwareFit ships an update monthly, StrengthLog weekly. The most recent releases landed on November 1, 2026 and November 6, 2026 respectively.

Scorecard2 real differences · 8 level
M3softwareFit versus StrengthLog: the parameters behind the verdict, then further details
ParameterM3softwareFitStrengthLog
PriceFreeFree
Rating—4.9 (3.7K ratings) — better
Positive reviews—88.1% of reviews
Number of ratings—3.7K — better
Update frequencyMonthlyWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Freemium
DevicesiPhone, iPod, Apple WatchiPhone, iPad, iPod, Apple Watch — better
Requires iOS15.615.0 — better
Further details — not scored
Size39 MB158 MB
Age rating4+12+
DeveloperM3SoftwareStyrkelabbet AB

Bugs and requests

M3softwareFit

Not enough reviews yet to summarise bugs or requests.

StrengthLog

Reported bugs

3 issues
  • Disappearing workout data
  • Inability to clear/reset workout history
  • Inconsistent behavior when planning workouts for the same day

Requested features

4 requests
  • Ability to save and edit custom workout plans
  • Seamless integration with Apple Health
  • Community features like challenges and leaderboards
  • More personalized workout recommendations

In-app purchases

None

M3softwareFit

No in-app purchases

3 purchases

StrengthLog

Subscriptions3
  • StrengthLog Premium - 1 month14 Days trial$16.901 Month
  • StrengthLog Premium - 3 months14 Days trial$37.903 Months
  • StrengthLog Premium - 1 year14 Days trial$109.001 Year

Questions

Is M3softwareFit free?
M3softwareFit is free to download, with no in-app purchases.
Is StrengthLog free?
StrengthLog is free to download, with in-app purchases available.
Do M3softwareFit or StrengthLog have ads?
Neither M3softwareFit nor StrengthLog shows ads.
Which is updated more often, M3softwareFit or StrengthLog?
M3softwareFit ships an update monthly, and StrengthLog weekly. Most recently, M3softwareFit was updated on November 1, 2026 and StrengthLog on November 6, 2026.

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