Comparison

100% Power vs Judy

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

Head to head
About

100% Power

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Welcome to the 100% Power members app! Download our app to plan and book your fitness classes. At the click of a button, you can view class schedules, sign up for classes and even invite a friend to join you! With the app, you’ll keep in touch with 100% Power staff and coaches, receive notifications, news and reminders. After setting up your personal profile in the app, you'll be able to easily renew your membership, purchase 100% Power merchandise and connect with other 100% Power members.

About

Judy

Features
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Stop the yo-yo cycle. Start building habits that last. Most diets fail because they are built for a perfect week, not your real life. They demand rigid tracking, calorie math, and total perfection. When life gets busy, the diet stops. Meet Judy - your nutrition companion designed specifically for the long term. Judy makes sustainable weight loss feel easier, calmer, and more consistent by focusing on behavior, not just numbers. Stay consistent through the ups and downs The secret to lasting weight loss isn't perfection - it’s consistency. Judy is there for the holiday dinners, the office parties, and the late-night cravings. She doesn't "reset" your progress or make you "start over on Monday". She helps you stay connected to your goals every single day, so you never feel like you've failed. Weight loss that feels calmer Tracking shouldn't be a source of anxiety. Judy replaces the stress of calorie counting with a supportive conversation. By removing the obsession with daily numbers, Judy lowers the "mental tax" of dieting, making it easier to stay on track for months and years. Effortless logging in seconds Consistency is easier when it isn't a chore. * Snap a photo of your meal * Send a quick voice note while you walk * Type a few words about what you ate Judy handles the nutrition science behind the scenes so you can focus on living your life. Your personal coach, not a judge Judy talks to you like a warm, knowledgeable friend. She celebrates your wins, validates your struggles, and helps you navigate cravings. If you had a big meal, she doesn't punish you - she helps you enjoy it and move forward. A visual journey, not a spreadsheet We’ve replaced rigid graphs with intuitive visual metaphors that tell you how you’re actually doing: The Battery - Monitor your protein and resilience levels to help manage hunger spikes. The Heart - Track your meal satisfaction. because if you don't enjoy it, it won't stick. The Trail - Watch your weekly progress bloom into a beautiful path. Your trail absorbs every meal, showing you that one choice doesn't define your week. Daily support that actually cares Judy learns your rhythm and checks in with personalized messages. These aren't generic reminders. they are thoughtful check-ins based on your actual day to help you stay mindful and motivated. A fresh start every meal With Judy, there is no "falling off the wagon". There is only eating, logging, and learning. If you are ready for a calmer, easier, and more sustainable way to reach your goals, Judy is ready to walk the path with you. Download Judy today and build the habits that stay with you for life. By subscribing, you agree to our Terms of Use: https://withjudy.com/terms

Screenshots

100% Power4 screens
Judy4 screens

Verdict

The call

The clearest difference is in-app purchases: 100% Power at none against Judy's 1. Judy's advantage is update cadence (every 3 days vs every 24 months). On price, ads, device support and iOS requirement there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Judy sells 1 in-app purchase, starting at $14.99 per month. 100% Power asks for nothing beyond the download.

UpkeepUpdate frequency

100% Power ships an update every 24 months, Judy every 3 days. The most recent releases landed on October 14, 2026 and October 11, 2026 respectively.

Scorecard2 real differences Β· 4 level
100% Power versus Judy: the parameters behind the verdict, then further details
Parameter100% PowerJudy
PriceFreeFree
Update frequencyEvery 24 monthsEvery 3 days β€” better
AdsNoNo
In-app purchasesNo β€” betterYes
DevicesiPhone, iPodiPhone, iPad, iPod β€” better
Requires iOS15.115.0 β€” better
Further details β€” not scored
Size36 MB81 MB
Age rating4+17+
DeveloperArbox LTDwithjudy, LLC

In-app purchases

None

100% Power

No in-app purchases

1 purchases

Judy

Subscriptions1
  • Judy Premium1 Month trial$14.991 Month

Questions

Is 100% Power free?
100% Power is free to download, with no in-app purchases.
Is Judy free?
Judy is free to download, with in-app purchases available.
Do 100% Power or Judy have ads?
Neither 100% Power nor Judy shows ads.
Which is updated more often, 100% Power or Judy?
100% Power ships an update every 24 months, and Judy every 3 days. Most recently, 100% Power was updated on October 14, 2026 and Judy on October 11, 2026.

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