# Power+UP! vs IronStack

The clearest difference is update cadence: IronStack at every 3 days against Power+UP!'s fortnightly. On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. Power+UP! sells 2 in-app purchases, starting at $3.99 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.

Power+UP! ships an update fortnightly, IronStack every 3 days. The most recent releases landed on June 1, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Power+UP! | IronStack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (7 ratings)](https://appshunter.io/ios/app/ironstack-gym-workout-log/id6741048202/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 3 days** |
| Monetization | Freemium | Freemium |
| Size | 199 MB | 56 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [2237571 ONTARIO LTD](https://appshunter.io/developer/1688566305) | [Marcus Lorenzana](https://appshunter.io/developer/1512608222) |

## What reviewers say

### Power+UP!

[App page](https://appshunter.io/ios/app/power-plus-up/id6450712291)

This strength training app focuses on progressive overload to help you exceed or maintain your lifting goals. It dynamically adjusts sets, reps, and weights with real-time coaching for efficient workouts. Choose from pre-made plans or build your own with a comprehensive exercise library.

**Highlights:** Progressive overload for strength gains, Dynamic performance coaching, Exercise-specific total resistance focus, Customizable workout plans, Offline training capability, HIIT timer for cardio

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $3.99 | per month |
| Annual Subscription | $24.99 | per year |


### IronStack

[App page](https://appshunter.io/ios/app/ironstack-gym-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 Power+UP! free?

Power+UP! is free to download, with in-app purchases available.

### Is IronStack free?

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

### Do Power+UP! or IronStack have ads?

Neither Power+UP! nor IronStack shows ads.

### Which is updated more often, Power+UP! or IronStack?

Power+UP! ships an update fortnightly, and IronStack every 3 days. Most recently, Power+UP! was updated on June 1, 2026 and IronStack on September 11, 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.*