Comparison

Constant Scale vs Simple Workout Calendar

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

Head to head
About

Constant Scale

Features
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Software introduction: This kind of application can transmit data to electronic scale, which contributes great help to healthy life. Users can easily manage their own personal health data anytime and anywhere. Key functions: 1)Data transmission from software to scale through Bluetooth. 2)Automatically transmit and save personal health data. 3)Automatically judge the standard of personal health data. 4)Automatically create personal health data graph. 5)Support save health data to Apple's health kit 6) support cloud cache data 7) suport french,german,italian,korean,portuguese,turkish,russian,spanish

About

Simple Workout Calendar

Features
Read full description

Simple, yet everything you need — Simple Workout Calendar strips away the clutter and lets you focus on what matters: recording and executing your workouts. No account sign-up, fully offline. Your data stays on your device — always. ◾ Calendar-Based Workout Tracking Every training day is marked on the calendar, so you can see your consistency at a glance. Tap any date to view the full list of exercises you performed. Add records by selecting from your saved menus, or enter them manually with complete control over every detail. ◾ Build Your Own Workout Menus Create custom workout menus that match your training style. 7 body part categories — Chest, Back, Shoulders, Arms, Legs, Core, Other Reps or Time-based exercise modes Set weight, reps, sets, and rest intervals for each exercise Reorder exercises with drag controls, edit anytime ◾ Guided Workout Execution Select a menu and start. The app guides you through every exercise, set by set. Displays weight, reps/duration, and set count for each exercise Interval timer automatically counts down rest periods between sets Countdown timer for time-based exercises (planks, holds, etc.) Audio countdown at 5 seconds remaining + completion sound Pause / Resume / Skip for flexible control Workout records are automatically saved to the calendar upon completion ◾ Built-In Metronome Adjustable from 30 to 240 BPM. Maintain a consistent tempo during your exercises for more effective, controlled movements. ◾ Perfect For You If... You want a simple app that just tracks workouts — nothing more You train at the gym, at home, or both You're tired of subscriptions and ad-filled fitness apps — this is a one-time purchase You prefer to train at your own pace ◾ More Features Switch between kg and lbs Fully offline — no internet connection required No account or login needed Audio plays even in silent mode (iOS) Clean, minimal, tool-like design

Screenshots

Constant Scale4 screens
Simple Workout Calendar3 screens

Verdict

The call

The clearest difference is price: Constant Scale at Free against Simple Workout Calendar's $0.99. Constant Scale also leads on iOS requirement (11.0 vs 15.1). On update cadence, ads, in-app purchases and device support 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

Constant Scale is free to download; Simple Workout Calendar costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Constant Scale ships an update every 4 weeks, Simple Workout Calendar every 2 months. The most recent releases landed on September 30, 2026 and September 27, 2026 respectively.

Scorecard2 real differences · 4 level
Constant Scale versus Simple Workout Calendar: the parameters behind the verdict, then further details
ParameterConstant ScaleSimple Workout Calendar
PriceFree — better$0.99
Update frequencyEvery 4 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS11.0 — better15.1
Further details — not scored
Size150 MB34 MB
Age rating4+4+
DeveloperYiwu Chaolan Import & Export Co., Ltd.YUMA OHARA

In-app purchases

None

Constant Scale

No in-app purchases

None

Simple Workout Calendar

No in-app purchases

Questions

Is Constant Scale free?
Constant Scale is free to download, with no in-app purchases.
Is Simple Workout Calendar free?
Simple Workout Calendar costs $0.99, with no in-app purchases.
Do Constant Scale or Simple Workout Calendar have ads?
Neither Constant Scale nor Simple Workout Calendar shows ads.
Which is updated more often, Constant Scale or Simple Workout Calendar?
Constant Scale ships an update every 4 weeks, and Simple Workout Calendar every 2 months. Most recently, Constant Scale was updated on September 30, 2026 and Simple Workout Calendar on September 27, 2026.

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