Comparison

Chally vs Petal

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

Head to head
About

Chally

Features
Read full description

Break free from bad habits and dopamine addictions that consume you Join any dopamine addiction breaking challenge you want! - Choose or directly input the habits or addictions you want to quit - Start with shorter periods and gradually increase them to feel a sense of achievement - You can also take on unlimited challenges without setting a specific time period Three days? Now aim for 100 days! - The app provides various features to help you break free from dopamine addiction, including real-time timers, calendars, widgets, and motivational quotes - Review your reset history to avoid repeating past mistakes - Level up as you break your record for longest time without addiction Breaking free from dopamine addiction together - Compete with other users through real-time rankings, challenge together, and feel accomplished as you break addictions - See how long other users have resisted their addictions in real-time - Set a period to break addictions with your friends and take on challenges together Community - Communicate with other users in the community and bookmark your favorite quotes about addiction and dopamine - A space to grow together by sharing experiences and information about addiction and dopamine Must-have features - Receive notifications for various challenges and community activities - Get an overview of your addiction-breaking progress and check statistics at a glance Try to completely break free from those bad habits and dopamine addictions you've been trying to quit with Challenge Together, and create a better daily life through dopamine detox!

About

Petal

Features
Read full description

Petal: the app to crush a 75-day challenge with your best friends and see their tasks in real time. Start your transformation with challenges like: Petal 75 Hard Petal 30 Medium Petal 21 Soft Glow Within Better Me No Sugar Mental Wellness You can also create your own custom challenge from scratch. Every day, you can track your water intake and complete your personalized task list β€” your daily tasks are fully customizable. Petal Subscription Plans: Weekly: $4.99 Monthly: $9.99 Annual: $49.99 Payment & Renewal: Payment will be charged to your Apple ID account at confirmation of purchase. Subscriptions automatically renew unless auto-renew is turned off at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage your subscription or turn off auto-renewal in your Apple ID account settings at any time after purchase. If you cancel, your subscription remains active until the end of the current billing period. Refunds are not provided for the unused portion of the period. Privacy Policy β€” https://site-petal.vercel.app/privacidade.html Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Chally4 screens
Petal4 screens

Verdict

The call

The clearest difference is update cadence: Chally at every 4 days against Petal's fortnightly. On price, ads, in-app purchases and device support 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. Chally sells 1 one-off in-app purchase and Petal sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Chally ships an update every 4 days, Petal fortnightly. The most recent releases landed on September 10, 2026 and September 24, 2026 respectively.

Scorecard1 real difference Β· 5 level
Chally versus Petal: the parameters behind the verdict, then further details
ParameterChallyPetal
PriceFreeFree
Update frequencyEvery 4 days β€” betterFortnightly
AdsYesYes
In-app purchasesYesYes
DevicesiPhoneiPhone, iPod β€” better
Requires iOS16.015.1 β€” better
Further details β€” not scored
Size54 MB118 MB
Age rating12+4+
DeveloperJUNYONG YOUALISSON DA SILVA

In-app purchases

1 purchases

Chally

One-time1
  • Premium Upgrade$5.99
3 purchases

Petal

Subscriptions3
  • Petal Premium Weekly$4.997 Days
  • Petal Premium Monthly$9.991 Month
  • Petal Premium Annual$49.991 Year

Questions

Is Chally free?
Chally is free to download, with in-app purchases available.
Is Petal free?
Petal is free to download, with in-app purchases available.
Do Chally or Petal have ads?
Both Chally and Petal show ads.
Which is updated more often, Chally or Petal?
Chally ships an update every 4 days, and Petal fortnightly. Most recently, Chally was updated on September 10, 2026 and Petal on September 24, 2026.

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