Comparison

IronDojo vs Zero Smoke

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

Head to head
About

IronDojo

Log gym workouts with detailed sets, reps, and weights, and track your progress with strength graphs and PR history. Connect with your local fitness community, compete in weekly challenges, and stay motivated with friends through workout feeds and private groups.

Highlights
  • Detailed workout logging (sets, reps, weights)
  • Custom routine creation
  • Progress tracking with strength graphs
  • Social workout feeds and community interaction
  • Gym and friend leaderboards
  • Weekly competitions
Read full description

Meet IronDojo, the social workout tracker! Whether you’re training solo or lifting alongside friends, IronDojo helps you log workouts, stay accountable, and compete with your gym community. Join leaderboards, track progress, and keep your fitness goals on point — all completely for free. SOON TO COME: – Automatic logging with your voice – AI personal trainer in your ear – Streaks + goals – Advanced analytics + AI suggestions – Challenges with prizes WORKOUT TRACKING: – Log gym workouts with detailed sets, reps, weights, and rest timers – Create reusable custom routines for easy workout logging – Autofill set data based on your past workouts – Track progress with strength graphs and PR history – Use One Rep Max estimation tools to plan sets and see your projected lifts – Create your own exercises for free – Minimize or expand sets, reorder exercises, and see a snapshot of your current workout’s volume SOCIAL & COMPETITION: – Join your local gym to connect to your local fitness community – Compete in weekly competitions – See workout feeds from your gym, friends, or the global community – Like, comment, and support each other’s progress – Create private groups to track and stay motivated with friends – Customize who sees your workouts: Public, Friends, Gym, or Private LEADERBOARDS: – Join gym-wide or friends-only leaderboards – Filter leaderboards by exercise or group to keep things relevant CALENDAR & ACCOUNTABILITY: – Stay consistent with a weekly workout calendar showing all your stats – Compare activity with friends and gym members – View your all-time calendar displaying every workout logged BUILT TO MOTIVATE: – Completely free with no paywall – Track your journey privately or build a fitness community – Designed for everyone from beginners to elite athletes

About

Zero Smoke

Features
Read full description

ZeroSmoke helps you quit or cut down cigarettes, vaping and cannabis. Track your progress, see the money you save, and stay motivated one day at a time. QUIT MODE • See how long you have been smoke-free, down to the second • Watch your savings grow with every cigarette, puff or joint you skip • See the units you did not use and the time you saved • Track your longest streak REDUCE MODE (PRO) Not ready to stop today? Pick a quit date. Your daily limit drops a little every day until you get there. • Log each use with one tap • Backdate, edit or delete entries • See how many uses you have left today EXPOSURE SCORE • See how much of your starting nicotine you removed in the last 7 days • See your lifetime exposure in pack-years or ml of liquid • Add notes for your vape products STATS (PRO) • Charts of your day, week and month • Your Exposure Score by week WIDGET AND SIRI (PRO) • Log a use from your Home Screen widget • Say "Log use in Zero Smoke" to log with Siri MORE • Mood calendar: record one mood per day for each habit • Track more than one habit at a time • One base currency for all your savings PRIVATE BY DESIGN Your habits, usage log and moods stay on your device. ZeroSmoke does not ask you to make an account. ZEROSMOKE PRO Reduce mode, Stats, and widget and Siri logging need a ZeroSmoke Pro subscription. Payment is charged to your Apple Account when you confirm the purchase. The subscription renews automatically unless you cancel it at least 24 hours before the end of the current period. You can manage or cancel your subscription in your Apple Account settings. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://zerosmokeapp.com/#/privacy ZeroSmoke is not a medical device and does not give medical advice. Talk to a doctor for help with quitting.

Screenshots

IronDojo4 screens
Zero Smoke4 screens

Verdict

The call

The clearest difference is in-app purchases: IronDojo at none against Zero Smoke's 2. On price, update cadence, 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

Both are free to download. Zero Smoke sells 2 in-app purchases, starting at $3.99 per month. IronDojo asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on November 4, 2026 and November 8, 2026 respectively.

Scorecard1 real difference · 9 level
IronDojo versus Zero Smoke: the parameters behind the verdict, then further details
ParameterIronDojoZero Smoke
PriceFreeFree
Rating5.0 (7 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings7 — better—
Update frequencyFortnightlyFortnightly
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhoneiPhone, iPad — better
Requires iOS17.216.4 — better
Further details — not scored
Size94 MB69 MB
Age rating4+12+
DeveloperRyan PontesMARIO PETROV USHEV

In-app purchases

None

IronDojo

No in-app purchases

2 purchases

Zero Smoke

Subscriptions2
  • Monthly Plan$3.991 Month
  • Annual Plan7 Days trial$34.991 Year

Questions

Is IronDojo free?
IronDojo is free to download, with no in-app purchases.
Is Zero Smoke free?
Zero Smoke is free to download, with in-app purchases available.
Do IronDojo or Zero Smoke have ads?
Neither IronDojo nor Zero Smoke shows ads.
Which is updated more often, IronDojo or Zero Smoke?
IronDojo ships an update fortnightly, and Zero Smoke fortnightly. Most recently, IronDojo was updated on November 4, 2026 and Zero Smoke on November 8, 2026.

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