Comparison

stickK vs Will.

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

Head to head
About

stickK

This app helps you achieve your goals by leveraging financial and social accountability. Set a goal, invite an accountability partner, and optionally set financial stakes to motivate yourself. Track your progress and build lasting habits.

Highlights
  • Commitment Contracts
  • Accountability Partners
  • Financial Stakes
  • Anti-Charity Option
  • Progress Tracking
  • Community Support
  • Goal Journaling
Features
Read full description

stickK: the poster child of Behavioral Economics (featured in over 60 books and 20 textbooks) turns 15 this year! As seen on The Wall Street Journal, Harvard Business Review, Psychology Today, Bloomberg, The Economist, NPR, LA Times … and lots more! Created by a Behavioral Economists from Yale University, stickK is a goal-setting platform, habit tracker and online community of goal-setters. Our platform is designed to motivate and help you achieve your goals by leveraging the power of incentives, financial accountability and social accountability to your advantage. No matter what your goal is - meditate, learn a language, lose weight, quit smoking or drinking, exercise more often… stickK can motivate and help you achieve it! End procrastination once and for all. Hold yourself accountable. Turn your goals into habits. HOW IT WORKS Trick yourself into a virtuous cycle, turn your goal into a habit and stop procrastinating once and for all: create a Commitment Contract between present you and future you. 1. Set your goal - ANY goal (lose weight, self-care, meditation, finish thesis…) and a timeline to achieve it 2. Invite someone - a friend, coworker or family member - to hold you accountable and verify your progress 3. Put your money where your mouth is! Set a price on inaction - add Stakes to your commitment (optional) 4. Track your progress by reporting your successes or failures daily, weekly OR at the end of your Commitment Contract INCENTIVES x ACCOUNTABILITY = TO SUCCESS ACCOUNTABILITY PARTNER - Invite a Referee that can verify your progress reports. They’ll have the final word on your Report and will be an essential part of your journey. - We’ll take their word over yours, so pick wisely! FINANCIAL ACCOUNTABILITY - Add Stakes to your commitment and increase the chances of success - If you’re unsuccessful, stickK will hold you accountable and send the amount at stake you pledged to: - A friend - Charity (from a list of 20+ 501(c)(3) organizations) - Or our most popular option: - An Anti Charity (an organization or foundation you fervently oppose) Get an extra kick of motivation and select an Anti-Charity. Research shows that people work harder to ensure that their money never falls into the wrong hands ;) SOCIAL ACCOUNTABILITY - Upload pictures of your progress and share with friends & family - Invite Supporters to become your personal cheerleaders and source of motivation PERSONAL ACCOUNTABILITY - Track your routine from start to finish in your Commitment Journal: record your thoughts, comments & – see yourself grow! - Submit daily, weekly or periodic Reports: whether it’s a daily chore, a new habit, or a long-term commitment, stickK’s platform can suit any goal SUPPORT NETWORK - GET MOTIVATED! JOIN A COMMUNITY OF ½ A MILLION GOAL SETTERS With a vibrant support network of over 600,000 users, stickK Communities provide an unrivaled level of motivation and inspiration for like-minded goal setters. See what others like you are committing to, motivate them with your creative Commitments and share your progress! Our Communities include: • Career • Diet & Healthy Eating • Education & Knowledge • Exercise & Fitness • Family & Relationships • Green Initiatives • Money & Finance • Weight Loss • Sports, Hobbies & Recreation • Health & Lifestyle Whether you’re the everyday slacker trying to get some clarity in life with routine meditations, a life-long smoker who is looking to quit once and for all, or the casual runner that wants to step-it-up and run a marathon— stickK is the most motivating habit tracker out there that challenges you to stick(K) to your word, regardless of the goal! Now with Daily Check-ins to track your progress daily. Daily planner & habit tracker. HAVING TROUBLE? As always, if you run into any troubles, let us know at support@stickK.com.

About

Will.

Features
Read full description

Define What, Why, When. Commit. Grow. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

stickK4 screens
Will.4 screens

Verdict

The call

The clearest difference is in-app purchases: stickK at none against Will.'s 1. Will.'s advantage is ads (none vs shown) and update cadence (every 2 weeks vs every 2 months). On price, device support 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. Will. sells 1 in-app purchase, starting at $5.99 per month. stickK asks for nothing beyond the download.

UpkeepUpdate frequency

stickK ships an update every 2 months, Will. every 2 weeks. The most recent releases landed on November 1, 2026 and November 5, 2026 respectively.

Scorecard3 real differences · 7 level
stickK versus Will.: the parameters behind the verdict, then further details
ParameterstickKWill.
PriceFreeFree
Rating2.6 (26 ratings) — better—
Positive reviews25.4% of reviews—
Number of ratings26 — better—
Update frequencyEvery 2 monthsEvery 2 weeks — better
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS14.014.0
Further details — not scored
Size54 MB19 MB
Age rating17+4+
DeveloperstickK.com, LLCPorfirio Ciaccio

Bugs and requests

stickK

Reported bugs

17 issues
  • App crashes during account creation
  • Login button unresponsive/non-functional
  • Auto sign-out after leaving app
  • Notifications fail to send despite being enabled
  • Report button disappears
Show 12 more
  • App fails to load commitments
  • Password reset errors
  • Blank error messages on signup
  • Slow screen refresh (20+ seconds)
  • Inconsistent reporting interface between app and website
  • App crashes when opening
  • Apostrophes convert to forward slashes
  • Server outages prevent reporting
  • Charges applied despite successful reports
  • Missing text and images in app
  • Random sign-outs
  • Commitment loss after logout

Requested features

14 requests
  • Biometric login (Face ID/Touch ID)
  • Customizable reminder times
  • Ability to correct/amend reports
  • Daily and monthly reporting options
  • Streamlined multi-goal reporting
Show 9 more
  • Keep user logged in between sessions
  • Social sign-in options
  • Automatic weight tracking integration
  • In-app referee system
  • Specific day selection for commitments
  • Video submission toggle
  • Better goal progression display
  • Charity selection instead of anti-charity only
  • Easier account deletion process

Will.

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

stickK

No in-app purchases

1 purchases

Will.

Subscriptions1
  • Monthly Membership1 Month trial$5.991 Month

Questions

Is stickK free?
stickK is free to download, with no in-app purchases.
Is Will. free?
Will. is free to download, with in-app purchases available.
Do stickK or Will. have ads?
stickK shows ads; Will. does not.
Which is updated more often, stickK or Will.?
stickK ships an update every 2 months, and Will. every 2 weeks. Most recently, stickK was updated on November 1, 2026 and Will. on November 5, 2026.

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