Comparison

Quitzilla vs Must

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

Head to head
About

Quitzilla

This app helps you overcome addictions and bad habits by tracking your progress, calculating money saved, and providing motivational content. Analyze your habits, set goals, and stay motivated with daily quotes and personalized reasons to quit.

Highlights
  • Track multiple habits
  • Calculate money saved
  • Personalized motivation
  • Detailed statistics
  • Customizable habits
  • Quote of the day
Read full description

Overcoming addiction is hard. With Quitzilla you can follow all of your bad habits or addictions and use the app as help to analyze them and beat them. Stay clean and sober, overcome any addiction or habit which is holding you back from becoming a better version of yourself. BAD HABITS TRACKER Commit to quit "cold turkey"! You can add the exact day of the last time you did it, the money you usually spend on it, and let it serve as your starting point. From then on you can get tons of interesting statistics about it. The abstinence time and money saved are the leading statistics. REWARDS The rewards feature is actually a calculation of the money saved. For example, if you’ve spent $100 on gambling weekly, and you haven’t gambled for a week, then those $100 are your weekly reward. This serves as great motivation to quit alcohol, cigarettes, junk food, or anything similar that costs us money and is bad for our body and health. MOTIVATION Quitzilla also features a motivation tab in which you can add your own reasons to quit your addiction and bad habits. Simply list all of the benefits of quitting and let them serve you as a motivation for you to continue your journey of overcoming addictions. USEFUL STATISTICS The app keeps relevant statistics about each of your bad habits. From entering the day you quit and maximum abstinence period, to keep a record of the money, time spent on addiction, and average abstinence period. QUOTE OF THE DAY To keep you motivated and focused in your quest to get rid of the addictions, Quitzilla will display you “Quote of the Day” from various famous authors. FEATURES: - track multiple habits simultaneously. - easy and simple tracking of bad habits and addictions - help in quitting alcohol, drug, caffeine, food, sugar, etc. - customize your bad habits - rewards system - motivation with reasons why to quit a certain habit - detailed statistics about each addiction - quote of the day for motivation and keeping focus Terms of service: https://www.despdev.com/terms_of_use_quitzilla_ios.html Privacy policy: https://www.despdev.com/privacy_policy_quitzilla_ios.html

About

Must

Features
Read full description

Must helps you nurture the relationships that matter most in a busy world—without social media noise, feeds, or tracking. ORGANIZE YOUR INNER CIRCLE Group the people you care about into Inner Circle (weekly), Close Friends (biweekly), and Keep in Touch (monthly). Instantly see who needs your warmth today. MINDFUL REMDFUL REMINDERS & CONVERSATION STARTERS Receive gentle reminders when it is time to reach out. Save personal notes and life events, and prepare with thoughtful conversation starters before you call or meet. MONTHLY REFLECTION & INSIGHTS Track your relationship health over time, celebrate meaningful check-in streaks, and reflect each month on the connections that matter most. 100% PRIVATE BY DESIGN All your contacts, notes, and reflections stay safely on your device and in your private iCloud container. No sign-up, no analytics SDKs, and zero ads. MUST+ (OPTIONAL SUBSCRIPTION OR LIFETIME UNLOCK) Must is free for up to 5 people in your circle. Upgrade to Must+ (Monthly, Annual, or Lifetime) for unlimited contacts, all circles, tailored conversation starters, Home Screen widgets, and Apple Watch support. Privacy Policy: https://haakonfoseide.github.io/must/privacy.html Support: https://haakonfoseide.github.io/must/support.html Terms of Use (Apple Standard EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Quitzilla4 screens
Must4 screens

Verdict

The call

The clearest difference is update cadence: Must at every 3 weeks against Quitzilla's every 10 months. Must also leads on device support (3 vs 1) and iOS requirement (17.0 vs 26.0). On price, 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. Quitzilla sells 8 in-app purchases, starting at $5.99 per 7 days and Must sells 2 in-app purchases, starting at $3.99 per year. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Quitzilla ships an update every 10 months, Must every 3 weeks. The most recent releases landed on November 3, 2026 and October 26, 2026 respectively.

Scorecard3 real differences · 7 level
Quitzilla versus Must: the parameters behind the verdict, then further details
ParameterQuitzillaMust
PriceFreeFree
Rating4.8 (1.6K ratings) — better—
Positive reviews74.9% of reviews—
Number of ratings1.6K — better—
Update frequencyEvery 10 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhoneiPhone, iPad, Apple Watch — better
Requires iOS26.017.0 — better
Further details — not scored
Size50 MB5 MB
Age rating12+4+
DeveloperAndrii HulaHAKON FOSEIDE

Bugs and requests

Quitzilla

Reported bugs

2 issues
  • Inability to set language to Chinese
  • Premium not working after device change

Requested features

5 requests
  • Add widget option
  • Allow more than 2 habits in free version
  • Offer one-time purchase option for premium
  • Add ability to remove motivational messages
  • Improve sync and time tracking accuracy

Must

Not enough reviews yet to summarise bugs or requests.

In-app purchases

8 purchases

Quitzilla

Subscriptions7
  • 1 Week$5.997 Days
  • 1 Month$5.991 Month
  • 1 Month$7.991 Month
Show 4 more
  • 1 Year1 Year trial$29.991 Year
  • 1 Year$29.991 Year
  • 1 Year7 Days trial$29.991 Year
  • 1 Year7 Days trial$39.991 Year
One-time1
  • Lifetime$89.99
2 purchases

Must

Subscriptions1
  • Must+ Annual$3.991 Year
One-time1
  • Must+ Lifetime$11.99

Questions

Is Quitzilla free?
Quitzilla is free to download, with in-app purchases available.
Is Must free?
Must is free to download, with in-app purchases available.
Do Quitzilla or Must have ads?
Neither Quitzilla nor Must shows ads.
Which is updated more often, Quitzilla or Must?
Quitzilla ships an update every 10 months, and Must every 3 weeks. Most recently, Quitzilla was updated on November 3, 2026 and Must on October 26, 2026.

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