Comparison

PostureLab vs Pencil Workout Log

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

Head to head
About

PostureLab

Features
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PostureLab transforme vos photos, vidéos et prises de vue en mesures claires et exploitables. Mesurez rapidement les angles articulaires (hanche, genou, épaule, coude…) et visualisez leur évolution dans le temps pour suivre une posture ou un mouvement. FONCTIONNALITÉS • Analyse sur photo : importez une image et obtenez les angles instantanément. • Analyse sur vidéo : choisissez une vidéo, lancez l’analyse et retrouvez vos courbes. • Superposition visuelle : squelette + affichage des angles directement sur l’image. • Graphiques : courbes d’angles pour comprendre la cinématique, repérer asymétries et compensations. • Export : sauvegardez vos résultats pour partager avec votre coach, votre kiné ou votre staff. POUR QUI ? • Sportifs et coachs : contrôle technique, suivi de progression, feedback rapide. • Préparation physique : dépistage d’asymétries et monitoring simple. • Rééducation : visualisation de l’amplitude et du retour au mouvement (en complément d’un suivi professionnel). CONFIDENTIALITÉ Vos médias et analyses peuvent rester sur votre appareil selon votre usage. Aucune donnée n’est vendue. PostureLab : un outil simple, visuel et précis pour passer de “je pense” à “je mesure”. PostureLab turns your photos, videos, and live captures into clear, actionable joint-angle metrics. Quickly measure key joint angles (hip, knee, shoulder, elbow…) and track how they change over time to understand posture and movement. FEATURES • Photo analysis: import an image and get angles instantly. • Video analysis: pick a video, run the analysis, and review your curves. • Visual overlay: skeleton + angle values directly on the image. • Charts: angle curves to spot asymmetries and compensations. • Export: save results to share with your coach, physio, or staff. WHO IS IT FOR? • Athletes & coaches: technical feedback, progression tracking, fast review. • Strength & conditioning: simple screening and monitoring. • Rehab support: visualize range of motion and return-to-movement (alongside professional care). PRIVACY Your media and analyses can stay on your device, depending on how you use the app. No data is sold. PostureLab: a simple, visual, and precise way to move from “I think” to “I measure”.

About

Pencil Workout Log

Features
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Pencil - the workout log that keeps up Track strength, cardio, yoga, and stretching. Plan your week, follow your progress, and stay organized — with no required account, no ads, and no unnecessary noise. Pencil’s core features work offline, so your workout never depends on your connection. Built for the way you actually train Pencil doesn’t force you into a rigid start-and-stop flow. Build or import a plan, add exercises as you go, log what matters to you, and see how your training develops over time. Plan your entire training week • View your Training Calendar by month, week, or agenda • Create one-time workouts or plans that repeat daily, weekly, every other week, or monthly • Connect Apple Calendar on your terms, or keep plans entirely in Pencil • Get reminders and mark workouts complete, moved, or skipped Fast, flexible workout logging • Log individual sets for standard, bodyweight, pyramid, drop set, static, and cardio exercises • Track reps, weight, time, and distance without breaking your flow • Add an exercise to your current session without changing the original plan • Use tags, notes, favorites, and search to find exercises and history • Use the built-in stopwatch with countdown, delayed start, and lap times Strength, yoga, and stretching in one place • Search 873 strength and stretching exercises with images, instructions, and muscle filters • Explore 48 curated yoga poses and 123 stretching exercises • Get moving with 16 ready-made yoga and stretching routines • Follow a guided player with time, progress, what’s next, and clear controls • See which muscles an exercise or entire plan targets Progress you can put to work • See your activity heatmap, training rhythm, current streak, and completion rate • Follow charts, tables, tonnage, and total weight lifted over time • Test or estimate your RM with guided strength testing • Review one unified activity history without counting the same workout twice • Export CSV data and create or restore JSON backups On iPhone, Apple Watch, and your Home Screen • Log from Apple Watch and keep data in sync through iCloud • Follow active workouts with Live Activities and Dynamic Island • See upcoming plans and training status in widgets • Open Quick Log from Spotlight and Shortcuts • Connect Apple Health for activity data, time in daylight, and Training Readiness Free and Pro Free is ideal for a fast, focused workout log with up to 2 active training plans. Pencil Pro unlocks unlimited plans, advanced mode, iCloud sync, Apple Watch sync, exercise images, and advanced planning tools. Make Pencil yours with light, dark, or system appearance, multiple accent colors, and two display styles. The app supports 28 languages, including English, Norwegian, German, French, Spanish, Brazilian Portuguese, and Japanese. Log fast. Stay organized. Make progress that lasts. Terms and Privacy: Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://pencilapp.no/privacy.html

Screenshots

PostureLab4 screens
Pencil Workout Log4 screens

Verdict

The call

The clearest difference is update cadence: Pencil Workout Log at weekly against PostureLab's every 6 weeks. On price, 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

Both are free to download. PostureLab sells 1 one-off in-app purchase and Pencil Workout Log sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

PostureLab ships an update every 6 weeks, Pencil Workout Log weekly. The most recent releases landed on September 10, 2026 and September 3, 2026 respectively.

Scorecard1 real difference · 5 level
PostureLab versus Pencil Workout Log: the parameters behind the verdict, then further details
ParameterPostureLabPencil Workout Log
PriceFreeFree
Update frequencyEvery 6 weeksWeekly — better
AdsNoNo
In-app purchasesYesYes
DevicesiPhoneiPhone, Apple Watch — better
Requires iOS16.6 — better17.0
Further details — not scored
Size3 MB208 MB
Age rating4+4+
Developermorgan landrainRobin Alexander Laumb

In-app purchases

1 purchases

PostureLab

One-time1
  • Unlimited Analyses$0.99
2 purchases

Pencil Workout Log

Subscriptions2
  • Pencil Pro (Månedlig)$2.991 Month
  • Pencil Pro (Årlig)$89.991 Year

Questions

Is PostureLab free?
PostureLab is free to download, with in-app purchases available.
Is Pencil Workout Log free?
Pencil Workout Log is free to download, with in-app purchases available.
Do PostureLab or Pencil Workout Log have ads?
Neither PostureLab nor Pencil Workout Log shows ads.
Which is updated more often, PostureLab or Pencil Workout Log?
PostureLab ships an update every 6 weeks, and Pencil Workout Log weekly. Most recently, PostureLab was updated on September 10, 2026 and Pencil Workout Log on September 3, 2026.

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