# HabitChecker vs IronStack

The clearest difference is update cadence: IronStack at every 4 days against HabitChecker's fortnightly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. HabitChecker sells 3 in-app purchases, starting at $0.99 per month and IronStack sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

HabitChecker ships an update fortnightly, IronStack every 4 days. The most recent releases landed on September 28, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | HabitChecker | IronStack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (6 ratings)](https://appshunter.io/ios/app/ironstack-simple-workout-log/id6741048202/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 4 days** |
| Monetization | — | Freemium |
| Size | 5 MB | 59 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | iPhone | **iPhone, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [YiChing Kuo](https://appshunter.io/developer/1208156443) | [ZanaWorks LLC](https://appshunter.io/developer/1512608222) |

## What reviewers say

### HabitChecker

[App page](https://appshunter.io/ios/app/habitchecker-focus-diary/id6479405149)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $0.99 | per month |
| Annually Subscription | $9.99 | per year |
| Lifetime Plan | $10.99 | one-time |


### IronStack

[App page](https://appshunter.io/ios/app/ironstack-simple-workout-log/id6741048202)

Log your gym workouts quickly and efficiently with this streamlined strength training app. Track progress, set personal records, and customize exercises without unnecessary clutter or account creation. Offers optional Pro features for advanced insights and AI-generated workouts.

**Highlights:** Fast workout logging, Automatic PR detection, Built-in rest timer, Customizable exercises, Apple Watch integration, Workout history search, Optional AI workout generation

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $2.99 | per month |
| Pro Yearly | $19.99 | per year |
| IronStack Lifetime Unlock | $39.99 | one-time |


## Frequently asked questions

### Is HabitChecker free?

HabitChecker is free to download, with in-app purchases available.

### Is IronStack free?

IronStack is free to download, with in-app purchases available.

### Do HabitChecker or IronStack have ads?

Neither HabitChecker nor IronStack shows ads.

### Which is updated more often, HabitChecker or IronStack?

HabitChecker ships an update fortnightly, and IronStack every 4 days. Most recently, HabitChecker was updated on September 28, 2026 and IronStack on October 16, 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.*