Comparison

KeepStrong Gym Workout Planner vs Sigma

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

Head to head
About

KeepStrong Gym Workout Planner

Build muscle and sculpt your body with guided workout plans and video demonstrations. Track your progress, log workouts, and monitor diet and body metrics. Access fitness knowledge and habit tracking features.

Highlights
  • Extensive exercise library with video demonstrations
  • Scientifically designed daily workout plans
  • Workout logging with detailed stats
  • Diet tracker for calorie and macronutrient intake
  • Body metrics tracking with progress graphs
  • Habit tracker and progress notes
  • Fitness Academy with articles and Q&A
Features
Read full description

Build Muscle & Sculpt Your Body with Ease If you're looking to gain muscle or shape your body, This is perfect for you. With an extensive library of exercises and video demonstrations, there's no need for a personal trainer – you can easily learn fitness on your own. Just follow our scientifically designed daily workout plans, and you'll quickly achieve the body you desire. Workout Plans (Membership required, includes one free trial plan) We provide scientifically crafted workout plans so you never have to wonder what exercises to do or how to schedule training and rest days. Simply follow the plan and watch your results multiply. Smart planning ensures maximum efficiency with minimum effort. Workout Log (Membership required, custom workouts available for free) Track and review every workout session, complete with detailed stats. Keep an eye on your progress, and celebrate how far you've come as you revisit your past achievements. Diet Tracker (Membership required) Record your calorie intake, as well as the ratio of carbs, proteins, and fats. Customize your diet with different templates for bulking, cutting, or rest days – ensuring you reach your goals faster. Body Metrics (Free) Easily track your weight, body fat, and measurements, with convenient progress graphs to visualize your improvements over time. Progress Notes (Free) Document your thoughts and feelings during each workout. Whether it's insights, motivation, or challenges, your notes become part of your personal knowledge system. Habit Tracker (Free) Track your daily habits and mark off each session with a check-in. Every completed day is proof of your commitment, turning the app into your personal accountability assistant. Fitness Academy (Free) Access a wealth of fitness knowledge with beginner-friendly articles and answers to common training questions. No more confusion – just solid, reliable fitness guidance. Menstrual Tracking(Free) For our female users, we offer a menstrual cycle tracker, so you can monitor your phase and optimize your training accordingly. Watch Support (Membership required, 30 free trials available) Workout directly from your smartwatch! Check off exercises, track your time, and even use your watch without needing to rely on your phone. Training has never been this seamless. Coach Assistant (Some features require membership) Whether you're mentoring an apprentice or coaching clients, our Coach Assistant tool makes it easy to assign workouts, track progress, and give feedback. You can also review their diet logs, helping you provide comprehensive training support. It’s the ultimate tool for any coach. Plus, track class attendance and body data for a complete private coaching experience.

About

Sigma

This app offers a distraction-free running experience with detailed daily, weekly, and monthly analysis of your runs. It visualizes your running data and creates a map diary of your routes and moods, with AI-powered personalized coaching based on your history.

Highlights
  • Distraction-free running recording
  • Daily, weekly, monthly analysis
  • Map diary of routes and moods
  • AI-powered personalized coaching
  • Visualized calorie consumption
  • Data migration from multiple devices
Read full description

我们是一群爱跑步的设计师,纯粹、仪式感、真正懂你 —— 这才是我们想给你的跑步体验。 【你最关心的功能】 - 清爽干净的开跑:全程无打扰,自由记录你的奔跑 - 好看有趣的记录:日/周/月的多维分析视图,记录你所有跑步轨迹的总和 - 点亮心情的地图日记:跑过的城市与心情,所有回忆都收藏在一张地图里 - 贴身指导的AI伙伴:结合北京体育大学知识库,基于你的历史数据提供专业分析与个性化建议 - 可度量的跑步数据:卡路里消耗的趣味可视化,配速对标动物世界的实力 - 历史数据一键迁移:已支持苹果、佳明、华为、小米、高驰、华米和颂拓手表 【官方账号】 官网:https://www.sigma.run 小红书:@Sigma 【隐私政策】 隐私政策:https://www.sigma.run/privacy

Screenshots

KeepStrong Gym Workout Planner4 screens
Sigma3 screens

Verdict

The call

The clearest difference is in-app purchases: Sigma at none against KeepStrong Gym Workout Planner's 5. Sigma also leads on ads (none vs shown). KeepStrong Gym Workout Planner's advantage is rating (4.7 vs 4.5) and review sentiment (97% vs 87%). On price, ratings volume, update cadence 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. KeepStrong Gym Workout Planner sells 5 one-off in-app purchases. Sigma asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

KeepStrong Gym Workout Planner holds the better App Store score, 4.7 against 4.5. Both are backed by a comparable volume of ratings — 40 and 56 respectively. Written reviews point the same way: 97% of KeepStrong Gym Workout Planner's written reviews are positive against 87% of Sigma's.

UpkeepUpdate frequency

KeepStrong Gym Workout Planner ships an update every 6 days, Sigma weekly. Both last shipped on October 30, 2026.

Scorecard6 real differences · 4 level
KeepStrong Gym Workout Planner versus Sigma: the parameters behind the verdict, then further details
ParameterKeepStrong Gym Workout PlannerSigma
PriceFreeFree
Rating4.7 (40 ratings) — better4.5 (56 ratings)
Positive reviews97.2% of reviews — better86.8% of reviews
Number of ratings4056 — better
Update frequencyEvery 6 days — betterWeekly
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFreemiumFree — better
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPod
Requires iOS15.514.0 — better
Further details — not scored
Size243 MB232 MB
Age rating4+12+
Developer春露 莫Chaoshi Technology (Shanghai) Co., Ltd.

Customer experience

KeepStrong Gym Workout Planner

All ratings38 ratings
Positive92.1%
Neutral2.6%
Negative5.3%
Written reviews72 reviews
Positive97.2%
Neutral0.0%
Negative2.8%

Sigma

All ratings56 ratings
Positive85.7%
Neutral1.8%
Negative12.5%
Written reviews106 reviews
Positive86.8%
Neutral2.8%
Negative10.4%

In-app purchases

5 purchases

KeepStrong Gym Workout Planner

One-time5
  • 3Days Experience$0.99
  • Experience$0.99
  • Monthly$4.99
Show 2 more
  • Yearly$17.99
  • Lifetime$19.99
None

Sigma

No in-app purchases

Questions

Is KeepStrong Gym Workout Planner free?
KeepStrong Gym Workout Planner is free to download, with in-app purchases available.
Is Sigma free?
Sigma is free to download, with no in-app purchases.
Which has better reviews, KeepStrong Gym Workout Planner or Sigma?
KeepStrong Gym Workout Planner is rated higher. KeepStrong Gym Workout Planner averages 4.7 out of 5 from 40 ratings, while Sigma averages 4.5 from 56 ratings.
Do KeepStrong Gym Workout Planner or Sigma have ads?
KeepStrong Gym Workout Planner shows ads; Sigma does not.
Which is updated more often, KeepStrong Gym Workout Planner or Sigma?
KeepStrong Gym Workout Planner ships an update every 6 days, and Sigma weekly. Most recently, KeepStrong Gym Workout Planner was updated on October 30, 2026 and Sigma on October 30, 2026.

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