Comparison

SimpleFit vs SHIM Calendar

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

Head to head
About

SimpleFit

This app offers personalized, adaptive workout and nutrition plans based on your goals, schedule, and available equipment. It features an interactive player with video guides and extensive customization options for over 500 exercises.

Highlights
  • Personalized questionnaire for goal setting
  • Adaptive long-term workout programs
  • Flexible workouts tailored to daily needs
  • Interactive workout player with video/audio
  • Extensive exercise library (500+ exercises)
  • Personalized nutrition program
  • Detailed progress tracking
Features
Read full description

Welcome to SimpleFit, where your fitness aspirations meet personalized, adaptive training and nutritional guidance. Our app is designed to revolutionize your workout experience, tailoring every aspect to your individual goals and lifestyle. UNIQUE PERSONALIZATION THROUGH QUESTIONNAIRE - Start with our comprehensive questionnaire, designed to understand your fitness goals, be it muscle gain, weight loss, strength enhancement, mobility improvement, powerlifting, or calisthenics skills. - Tailor your workout environment to your training location and available equipment, whether it's a gym, home, traveling, or no-equipment scenarios. - Get nutritional guidance aligned with your dietary habits and goals. - Tell us your available schedule, and we craft a workout plan that fits perfectly into your life. ADAPTIVE LONG-TERM PROGRAM WITH PERIODIZATION - Engage in a dynamic, long-term workout program that uses periodization to focus on your goals. - As you progress, the program adapts, ensuring you always have challenging workouts. FLEXIBLE WORKOUTS TAILORED TO DAILY NEEDS - Adjust your workouts based on your daily location, available equipment, training duration, and preferences. - Select, swap, and reorder exercises to fit your needs for each session. INTERACTIVE WORKOUT PLAYER - Experience our workout player with video and audio instructions for each exercise. - Benefit from automated timers, track your weights and repetitions, and access quick form cues. - Edit, add, or reorder exercises during your workout for a customized experience. EXTENSIVE CUSTOMIZATION OPTIONS - Choose from over 500 exercises in our extensive library, each detailed with instructions and correct execution tips. - Enjoy full freedom to create and edit your workouts and workout program. PERSONALIZED NUTRITION PROGRAM - Receive recommendations on calorie intake and macro values, tailored to your fitness goals. - Access important information on nutrition to optimally fuel your body. DETAILED PROGRESS TRACKING - Track your progress with comprehensive statistics for every workout and exercise. - View detailed logs to monitor your advancement over time. Email: info@simple-fit.app Support: https://www.app.simple-fit.app/support Privacy Policy: https://www.simple-fit.app/privacy Terms of Service: https://www.simple-fit.app/tos

About

SHIM Calendar

Gain insights into your partner's mood, energy, and stress levels to foster a stronger connection. Understand the factors influencing your relationship's dynamics and become a more attentive partner. This tool offers personalized guidance without compromising your privacy.

Highlights
  • Understand mood and energy fluctuations
  • Identify connection opportunities
  • Recognize needs for closeness or space
  • Strengthen relationship dynamics
  • Track timing, stress, and energy impact
  • Private and secure personal content
Features
Read full description

Stop guessing. Start understanding her. Timing is everything. Most husbands try harder. Few truly understand what’s going on beneath the surface. SHIM helps you make sense of why some days feel different from others when nothing else seems to have changed. Over time, SHIM will begin to give you helpful insights into your wife’s mood, energy levels, stressors, hormones, and more. You’ll start to notice: • When connection feels easier and more natural • When she may want closeness—or a bit of space • What actually strengthens your relationship • How timing, stress, and energy affect connection Built for husbands who want to understand. Not guess. Personal content remains on your device. No data is ever sold or shared. No advertisers. Just simple insights to help you be a more thoughtful and attentive husband. Support Her. Improve Marriage. Terms of Use: https://songofsongsllc.net/terms-of-use Privacy Policy: https://songofsongsllc.net/privacy-policy

Screenshots

SimpleFit4 screens
SHIM Calendar4 screens

Verdict

The call

The clearest difference is ratings volume: SimpleFit at 49 against SHIM Calendar's 3. SimpleFit also leads on device support (4 vs 2) and iOS requirement (15.6 vs 18.0). SHIM Calendar's advantage is update cadence (weekly vs fortnightly). On price, rating, review sentiment and ads 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. SimpleFit sells 3 in-app purchases, starting at $9.99 per month and SHIM Calendar sells 2 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.9 for SimpleFit against 5.0 for SHIM Calendar. That said, the two scores are not equally well evidenced: SimpleFit has 49 ratings behind it against 3, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

SimpleFit ships an update fortnightly, SHIM Calendar weekly. The most recent releases landed on November 8, 2026 and November 5, 2026 respectively.

Scorecard4 real differences · 6 level
SimpleFit versus SHIM Calendar: the parameters behind the verdict, then further details
ParameterSimpleFitSHIM Calendar
PriceFreeFree
Rating4.9 (49 ratings)5.0 (3 ratings) — better
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings49 — better3
Update frequencyFortnightlyWeekly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad
Requires iOS15.6 — better18.0
Further details — not scored
Size224 MB82 MB
Age rating12+12+
DeveloperJonas WallmannSong Of Songs LLC

Customer experience

SimpleFit

All ratings49 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews14 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

SHIM Calendar

Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

SimpleFit

Subscriptions3
  • Premium Monthly7 Days trial$9.991 Month
  • Premium 3 Months7 Days trial$24.993 Months
  • Premium Annual7 Days trial$69.991 Year
2 purchases

SHIM Calendar

Subscriptions2
  • SHIM Monthly14 Days trial$6.991 Month
  • SHIM Yearly14 Days trial$49.991 Year

Questions

Is SimpleFit free?
SimpleFit is free to download, with in-app purchases available.
Is SHIM Calendar free?
SHIM Calendar is free to download, with in-app purchases available.
Which has better reviews, SimpleFit or SHIM Calendar?
SHIM Calendar is rated higher. SimpleFit averages 4.9 out of 5 from 49 ratings, while SHIM Calendar averages 5.0 from 3 ratings.
Do SimpleFit or SHIM Calendar have ads?
Neither SimpleFit nor SHIM Calendar shows ads.
Which is updated more often, SimpleFit or SHIM Calendar?
SimpleFit ships an update fortnightly, and SHIM Calendar weekly. Most recently, SimpleFit was updated on November 8, 2026 and SHIM Calendar on November 5, 2026.

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