Comparison

Oxygen vs SmokeFree

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

Head to head
About

Oxygen

This app helps users quit smoking by tracking their progress, showing health benefits, and offering tips to manage cravings. It provides statistics on cigarettes not smoked and money saved, along with motivational achievements.

Highlights
  • Non-smoking statistics
  • Money saved tracking
  • Health regeneration overview
  • Cigarette craving management
  • Motivational achievements
  • Shareable progress
Features
Read full description

Quit smoking and see from day one what you gain: Oxygen shows how long you have been smoke-free, how many cigarettes you have not smoked and how much money you have saved. Pay once, use forever: no subscription, no ads, no in-app purchases. Your data stays on your iPhone. FEATURES - Statistics: smoke-free time, cigarettes not smoked and money saved at a glance, in your currency. - Body: follow how your heart, lungs and circulation recover after your last cigarette. - Tips against cravings: short, practical help for the moments when it gets hard. - Achievements: unlock milestones for time, savings and cigarettes and share them with friends. - Widget: your progress on the home screen. Start your smoke-free life today – Oxygen keeps you motivated.

About

SmokeFree

Features
Read full description

SmokeFree shows what quitting gives back, second by second: your smoke-free time, the money you've saved, the cigarettes you haven't smoked and a health timeline based on WHO, American Cancer Society and NHS guidance. Keep it all in view with Home Screen and Lock Screen widgets. • Smoke-free timer: years, months, weeks, days, hours, minutes and seconds • Money saved and cigarettes not smoked, in your own currency • “I smoked”: log a slip and your timer moves back only by what you smoked; your history, savings and record stay • Craving SOS: tap “I have a craving” and breathe through it with a 3-minute timer, quick actions and your own reasons • Craving insights: the cravings you've beaten, your most common trigger and your toughest time of day • Your reasons, if-then plans for risky moments and savings goals that fill up as you save • Health timeline from 20 minutes to 15 years, based on WHO, American Cancer Society and NHS guidance (progress is an estimate, not a medical measurement) • A new motivational quote every day, in the app and in an optional daily reminder • Achievements for every milestone, from your first hour to 25 years • Home Screen widgets in small, medium and large sizes, plus Lock Screen widgets • Available in 16 languages; your data stays on your device Subscription information: • New subscribers get a 3-day free trial with full access to all features • Choose a weekly, monthly or yearly plan • An active subscription is required to use SmokeFree after the trial • Cancel anytime during the trial to avoid being charged Payment is charged to your Apple Account when you confirm the purchase, or when the free trial ends. The subscription renews automatically unless auto-renew is turned off at least 24 hours before the end of the current period. Manage or cancel your subscription in your Apple Account settings. SmokeFree is not a medical device and does not replace advice from a doctor. Terms of Use (Apple standard EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://lkmcelik.github.io/smokefree/privacy.html

Screenshots

Oxygen4 screens
SmokeFree4 screens

Verdict

The call

The clearest difference is price: SmokeFree at Free against Oxygen's $1.99. SmokeFree also leads on update cadence (every 4 days vs every 6 weeks). Oxygen's advantage is in-app purchases (none vs 6) and iOS requirement (15.0 vs 17.6). On ads and device support 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

SmokeFree is free to download; Oxygen costs $1.99 up front. SmokeFree sells 6 in-app purchases, starting at $1.99 per 7 days. Oxygen asks for nothing beyond the download.

UpkeepUpdate frequency

Oxygen ships an update every 6 weeks, SmokeFree every 4 days. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

Scorecard4 real differences · 6 level
Oxygen versus SmokeFree: the parameters behind the verdict, then further details
ParameterOxygenSmokeFree
Price$1.99Free — better
Rating5.0 (4 ratings) — better—
Positive reviews66.7% of reviews—
Number of ratings4 — better—
Update frequencyEvery 6 weeksEvery 4 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better17.6
Further details — not scored
Size19 MB6 MB
Age rating17+17+
DeveloperFelix SchuesslerLokman CELIK

In-app purchases

None

Oxygen

No in-app purchases

6 purchases

SmokeFree

Subscriptions6
  • Weekly3 Days trial$1.997 Days
  • Weekly3 Days trial$2.997 Days
  • Monthly3 Days trial$3.991 Month
Show 3 more
  • Monthly3 Days trial$9.991 Month
  • Yearly3 Days trial$29.991 Year
  • Yearly3 Days trial$49.991 Year

Questions

Is Oxygen free?
Oxygen costs $1.99, with no in-app purchases.
Is SmokeFree free?
SmokeFree is free to download, with in-app purchases available.
Do Oxygen or SmokeFree have ads?
Neither Oxygen nor SmokeFree shows ads.
Which is updated more often, Oxygen or SmokeFree?
Oxygen ships an update every 6 weeks, and SmokeFree every 4 days. Most recently, Oxygen was updated on November 3, 2026 and SmokeFree on November 4, 2026.

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