# Rack Stacker — Calculate plate load & weights

> Weightlifting calculation and bar loading optimization tool. (iPhone/iPad app by JOSHUA NATHANIAL KRUZICH.)

- Source: https://appshunter.io/ios/app/rack-stacker/id6761350629 (this page in markdown: same URL + `.md`)
- Developer: [JOSHUA NATHANIAL KRUZICH](https://appshunter.io/developer/1889068915)
- Category: Health & Fitness, Utilities
- Price: $1.99
- Rating: 5.00/5 from 1 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 17.0 · 1 MB
- Languages: English
- Released: 2026-04-01
- Data updated: 2026-08-01
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/rack-stacker/id6761350629/reviews.md

## What is Rack Stacker?

A toolkit to help you load plates on a bar, convert weights, calculate percentages and 1 rep max, and optimize bar loading for multiple lifts.

## Key features

- Plate load calculation
- Weight conversion
- Percentage calculation
- 1 rep max estimation
- Bar loading optimization

## Chart rankings

- #197 in Top Paid · Health & Fitness (US App Store)

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/rack-stacker/id6761350629/reviews.md

### 5/5 — Great deal

*2026-04-02*

If you are looking for a easy way to calculate your weights. 
Best thing is no ad in app or subscriptions.

## Frequently asked questions about Rack Stacker

### What is Rack Stacker used for?

Rack Stacker is a toolkit designed to help weightlifters with various calculations. It can calculate plate loads, convert weights, determine percentages of your max, and optimize how you load plates on a barbell for different lifts.

### How much does Rack Stacker cost?

Rack Stacker is a paid application, priced at $1.99. This one-time purchase grants you access to all its features without any additional costs or subscriptions.

### What devices does Rack Stacker support?

Currently, Rack Stacker is available for iPhone. The app is designed to run on Apple's mobile operating system.

### Is Rack Stacker suitable for all ages?

Rack Stacker has an age rating of 4+, making it appropriate for a wide range of users. Its functionality is focused on fitness calculations.

### How often is Rack Stacker updated?

The latest version of Rack Stacker is 1.2.1, which was released on April 8, 2026. Updates are provided by the developer to improve functionality and address any issues.

### Does Rack Stacker have ads?

No, Rack Stacker is ad-free. Users can enjoy the full functionality of the app without any advertisements interrupting their experience.

### What is the user rating for Rack Stacker?

Rack Stacker has received an excellent rating of 5.0 stars based on 1 review. This indicates a very positive user reception for the app's utility.

### Can Rack Stacker help me calculate my one-rep max?

Yes, Rack Stacker includes a feature to estimate your one-rep max. This is a key function for strength athletes looking to track their progress and set new personal bests.

## Version history (last 2 releases)

### 1.2.1 — 2026-04-08

UI fixes, better setup defaults for plates, aligned weight colors and diameters to IPF standards.

### 1.0 — 2026-04-01

No release notes.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-01.*