Comparison

Posture Workout vs Shelby

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

Head to head
About

Posture Workout

Improve your posture with short, daily workouts designed to combat the effects of prolonged sitting and screen time. This app offers personalized plans focusing on key areas like tech neck and rounded shoulders, requiring no equipment and fitting easily into your day.

Highlights
  • 8-minute daily workouts
  • Personalized posture plans
  • Addresses tech neck and forward head posture
  • Corrects rounded shoulders and tight chest
  • Improves pelvic tilt and lower back imbalance
  • Beginner-friendly and bodyweight only
Features
Read full description

Fix your posture in 8 minutes a day. Neck tight at the end of the day. Shoulders rounded forward. Lower back stiff. If you sit a lot, your posture slowly breaks down. Tech neck, rounded shoulders, and pelvic tilt are not rare problems. They are the default outcome of modern desk life, not an exception. Posture Workout helps you reverse it. This app fixes posture problems caused by long hours of sitting and screen time. Desk work, studying, and constant phone use push the head forward, round the shoulders, and strain the lower back. Tech neck, rounded shoulders, pelvic tilt, stiffness, and poor posture don’t appear overnight. They build up quietly, day after day. Short daily workouts help you restore balance, strength, and alignment in your body.. No equipment. No gym. No long sessions required. Just focused posture work that fits into your day. What Posture Workout helps you improve: • Tech neck and forward head posture • Rounded shoulders and tight chest • Pelvic tilt and lower back imbalance • Overall posture You get a personalised plan based on your posture. Each plan focuses on the areas that matter most for you and guides you through short, easy-to-follow workouts. The workouts are designed to be: • Short and realistic, around 8 minutes • Simple and beginner-friendly • Bodyweight only • Easy to do at home or at work The app was created with input from physiotherapists and focuses on safe, effective posture exercises you can stick to long term. Better posture is not about doing more. It’s about doing the right things consistently. Try Posture Workout free for 3 days. Fix your posture now. --- Posture Workout is designed for general posture improvement and fitness guidance only. It is not a medical app. If you have chronic pain, injuries, or diagnosed back, neck, or joint conditions, consult a qualified healthcare professional before using this app. This app contains a subscription: You can subscribe to unlock the full version of Posture Workout to reach your goals. The subscription period is 1 year with a 3-day trial or 1 month. Link to our Terms of Use: https://www.vanilla.nl/terms-of-use/ Link to our Privacy Policy: https://www.vanilla.nl/privacy-policy/

About

Shelby

Features
Read full description

Meet Shelby, your friendly neck workout buddy Spend all day at a desk or scrolling on your phone? Your neck feels it. Shelby turns simple neck moves into a fun little game you will actually want to come back to. No equipment. No complicated routines. Just you, your camera, and a cheerful turtle. 1.How it works Prop up your phone and let the camera be your controller. Do three easy moves, Side Tilt, Look Up, and Head Turn, and watch Shelby climb higher with every rep. Dings, confetti, and one very proud turtle included. Just 2 minutes a day. That is it. Why you will love it Fun, game like neck moves, not a boring routine Your face is the controller, completely hands free Watch Shelby climb as you move Build a daily streak and keep it alive Gentle daily reminders at your chosen time Simple, playful, and quick 2.Made for Desk workers and anyone glued to a screen People who want an easy daily movement habit Anyone who would rather play than work out Keep it simple Shelby is not another intense fitness app. It is a tiny, feel good daily habit. Two minutes to loosen up, have fun, and give your neck a little break. Terms of Use https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Posture Workout4 screens
Shelby4 screens

Verdict

The call

The clearest difference is iOS requirement: Shelby at 13.0 against Posture Workout's 18.0. On price, update cadence, ads and in-app purchases 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. Posture Workout sells 4 in-app purchases, starting at $9.99 per month and Shelby sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 24, 2026 and October 11, 2026 respectively.

Scorecard1 real difference · 9 level
Posture Workout versus Shelby: the parameters behind the verdict, then further details
ParameterPosture WorkoutShelby
PriceFreeFree
Rating4.6 (145 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings145 — better—
Update frequencyWeeklyWeekly
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhoneiPhone, iPod — better
Requires iOS18.013.0 — better
Further details — not scored
Size651 MB93 MB
Age rating4+4+
DeveloperVanilla b.v.Nguyen Manh

In-app purchases

4 purchases

Posture Workout

Subscriptions4
  • Premium Subscription7 Days trial$9.991 Month
  • Premium Subscription7 Days trial$19.991 Year
  • Premium Subscription7 Days trial$39.991 Year
Show 1 more
  • Premium Subscription7 Days trial$69.991 Year
2 purchases

Shelby

Subscriptions2
  • Monthly$9.991 Month
  • Yearly Pro$34.991 Year

Questions

Is Posture Workout free?
Posture Workout is free to download, with in-app purchases available.
Is Shelby free?
Shelby is free to download, with in-app purchases available.
Do Posture Workout or Shelby have ads?
Neither Posture Workout nor Shelby shows ads.
Which is updated more often, Posture Workout or Shelby?
Posture Workout ships an update weekly, and Shelby weekly. Most recently, Posture Workout was updated on October 24, 2026 and Shelby on October 11, 2026.

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