# IronDojo vs Zero Smoke

The clearest difference is in-app purchases: IronDojo at none against Zero Smoke's 2. IronDojo also leads on update cadence (fortnightly vs every 6 months). Zero Smoke's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 17.2). On price and ads there is nothing between them.

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.

IronDojo ships an update fortnightly, Zero Smoke every 6 months. The most recent releases landed on October 5, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | IronDojo | Zero Smoke |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/irondojo-workout-tracker/id6504539909/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 6 months |
| Monetization | Free | — |
| Size | 94 MB | 52 MB |
| Requires iOS | 17.2 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Ryan Pontes](https://appshunter.io/developer/1744745322) | [MARIO PETROV USHEV](https://appshunter.io/developer/1802892824) |

## What reviewers say

### IronDojo

[App page](https://appshunter.io/ios/app/irondojo-workout-tracker/id6504539909)

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

**In-app purchases:** none


### Zero Smoke

[App page](https://appshunter.io/ios/app/zero-smoke/id6743452857)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $3.99 | per month |
| Annual Plan | $34.99 | per year |


## Frequently asked 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 every 6 months. Most recently, IronDojo was updated on October 5, 2026 and Zero Smoke on October 6, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*