Comparison

Sigma vs Pumpa Workout Log

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

Head to head
About

Sigma

This app offers a clean and engaging running experience with detailed analysis and personalized AI coaching. Track your runs, visualize your progress, and collect memories of your journeys on a unique map diary.

Highlights
  • Ad-free running experience
  • Daily, weekly, and monthly analysis
  • Map diary of runs and moods
  • AI-powered personalized coaching
  • Visualized calorie consumption
  • Data migration from popular wearables
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

About

Pumpa Workout Log

A clean and focused fitness log for various activities like strength training, cardio, and yoga. It offers detailed stats, training plans, and friend accountability without ads or personal data collection.

Highlights
  • 100+ exercise library with demos
  • Log 20+ workout types
  • Emoji calendar for workout history
  • Daily/monthly/yearly training stats
  • Training plans with one-tap check-ins
  • Friend accountability and reminders
  • Encrypted iCloud sync
Features
Read full description

Pumpa Workout Log is built for strength training, workout planning, and consistent tracking. Plan your week, log every set, review monthly summaries, and follow changes in your body over time. Core features: • Free workouts and set-by-set logging Record weight, reps, and sets for every exercise. Use rest timers and training-volume stats to keep a complete record of each session. • Workout plans and weekly schedule Choose from 3-day routines, upper/lower splits, push-pull-legs, 4-day and 5-day splits, powerlifting, fat-loss plans, and more, or build a schedule around your own goals. • Nutrition plans and intermittent fasting Set daily calorie and nutrition targets, log food by meal, use carb cycling and 16:8 fasting plans, and review past trends. • 160+ exercise library Browse common strength exercises with video or animated demonstrations for quick reference at the gym or at home. • Apple Health integration With your permission, Pumpa can read workouts, heart rate, active energy, body weight, and resting heart rate from Apple Health to organize training records and health trends. • Training stats, monthly reports, and body tracking Review workout frequency, duration, volume, category breakdowns, and monthly summaries, while tracking weight and body changes. • Stay accountable with friends Add friends by invite code, view each other's workout check-ins, and send reminders. This feature uses each user's own Apple iCloud. • Rep-count challenges Use the camera for pull-up or push-up counting challenges. Recognition results are for fitness entertainment only and may be inaccurate. • Home Screen widgets and Live Activities Quickly view your training streak, monthly calendar, and rest-timer progress. Privacy first: core features do not require a Pumpa account. Data is stored on your device by default; some sync and friend features use Apple iCloud. Terms of Service: https://fitness-matrix.github.io/trainup-ios-docs/terms.html Privacy Policy: https://fitness-matrix.github.io/trainup-ios-docs/privacy.html

Screenshots

Sigma3 screens
Pumpa Workout Log4 screens

Verdict

The call

The clearest difference is in-app purchases: Sigma at none against Pumpa Workout Log's 2. Sigma also leads on ratings volume (52 vs 2) and iOS requirement (14.0 vs 16.0). Pumpa Workout Log's advantage is review sentiment (100% vs 87%). On price, rating, update cadence 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. Pumpa Workout Log sells 2 in-app purchases, starting at $3.99 per year. Sigma asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.4 for Sigma against 4.5 for Pumpa Workout Log. That said, the two scores are not equally well evidenced: Sigma has 52 ratings behind it against 2, so its average is the more settled of the two. Written reviews are what separate them: 87% of Sigma's written reviews are positive against 100% of Pumpa Workout Log's.

UpkeepUpdate frequency

Sigma ships an update weekly, Pumpa Workout Log every 5 days. The most recent releases landed on October 16, 2026 and October 7, 2026 respectively.

Scorecard5 real differences · 5 level
Sigma versus Pumpa Workout Log: the parameters behind the verdict, then further details
ParameterSigmaPumpa Workout Log
PriceFreeFree
Rating4.4 (52 ratings)4.5 (2 ratings) — better
Positive reviews86.8% of reviews100.0% of reviews — better
Number of ratings52 — better2
Update frequencyWeeklyEvery 5 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPod — betteriPhone
Requires iOS14.0 — better16.0
Further details — not scored
Size231 MB74 MB
Age rating12+4+
DeveloperChaoshi Technology (Shanghai) Co., Ltd.晓平 曾

Customer experience

Sigma

All ratings52 ratings
Positive84.6%
Neutral1.9%
Negative13.5%
Written reviews106 reviews
Positive86.8%
Neutral2.8%
Negative10.4%

Pumpa Workout Log

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews6 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Sigma

No in-app purchases

2 purchases

Pumpa Workout Log

Subscriptions1
  • Pro Yearly$3.991 Year
One-time1
  • Pro Lifetime$7.99

Questions

Is Sigma free?
Sigma is free to download, with no in-app purchases.
Is Pumpa Workout Log free?
Pumpa Workout Log is free to download, with in-app purchases available.
Which has better reviews, Sigma or Pumpa Workout Log?
Pumpa Workout Log is rated higher. Sigma averages 4.4 out of 5 from 52 ratings, while Pumpa Workout Log averages 4.5 from 2 ratings.
Do Sigma or Pumpa Workout Log have ads?
Neither Sigma nor Pumpa Workout Log shows ads.
Which is updated more often, Sigma or Pumpa Workout Log?
Sigma ships an update weekly, and Pumpa Workout Log every 5 days. Most recently, Sigma was updated on October 16, 2026 and Pumpa Workout Log on October 7, 2026.

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