# PlateCalc Barbell Calculator vs RackMath

The clearest difference is review sentiment: PlateCalc Barbell Calculator at 100% against RackMath's 33%. PlateCalc Barbell Calculator also leads on rating (4.9 vs 3.0) and ratings volume (21 vs 4). RackMath's advantage is monetization model (free vs free with in-app purchases) and update cadence (weekly vs every 2 weeks). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. PlateCalc Barbell Calculator sells 1 in-app purchase, starting at $1.99 per year and RackMath sells 3 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

PlateCalc Barbell Calculator holds the better App Store score, 4.9 against 3.0. That said, the two scores are not equally well evidenced: PlateCalc Barbell Calculator has 21 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 100% of PlateCalc Barbell Calculator's written reviews are positive against 33% of RackMath's.

PlateCalc Barbell Calculator ships an update every 2 weeks, RackMath weekly. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | PlateCalc Barbell Calculator | RackMath |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (21 ratings)](https://appshunter.io/ios/app/platecalc-barbell-calculator/id940339714/reviews)** | [3.0 (4 ratings)](https://appshunter.io/ios/app/rackmath/id6761032029/reviews) |
| Number of ratings | **21** | 4 |
| Positive reviews | **100.0% of reviews** | 33.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 35 MB | 7 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Greg Kaleka](https://appshunter.io/developer/940339713) | [Keith Jeffery](https://appshunter.io/developer/1887410568) |

## What reviewers say

### PlateCalc Barbell Calculator

[App page](https://appshunter.io/ios/app/platecalc-barbell-calculator/id940339714)

This app quickly calculates barbell weights for your workouts. It features a unique, fast interface that allows you to adjust weight by sliding your finger. Customize available plates and barbell weight, and switch units easily.

**Highlights:** Fast weight calculation, Unique sliding interface, Customizable plate selection, Adjustable barbell weight, Pounds/kilograms support, Minimalist design

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PlateCalc+ | $1.99 | per year |


### RackMath

[App page](https://appshunter.io/ios/app/rackmath/id6761032029)

This app removes the guesswork from loading a barbell, providing color-coded diagrams for precise plate loading. It offers alternative weight options when exact matches aren't possible and allows for real-time bar monitoring as plates are added or removed.

**Highlights:** Color-coded plate diagrams, Nearest weight alternatives, Customizable plate inventory, Real-time bar weight monitoring, Multiple barbell setup organization, Efficient weight transitions

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Access to Coach | $9.99 | per month |
| Annual Access to Coach | $49.99 | per year |
| Lifetime Full Access | $99.99 | one-time |


## Frequently asked questions

### Is PlateCalc Barbell Calculator free?

PlateCalc Barbell Calculator is free to download, with in-app purchases available.

### Is RackMath free?

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

### Which has better reviews, PlateCalc Barbell Calculator or RackMath?

PlateCalc Barbell Calculator is rated higher. PlateCalc Barbell Calculator averages 4.9 out of 5 from 21 ratings, while RackMath averages 3.0 from 4 ratings.

### Do PlateCalc Barbell Calculator or RackMath have ads?

Neither PlateCalc Barbell Calculator nor RackMath shows ads.

### Which is updated more often, PlateCalc Barbell Calculator or RackMath?

PlateCalc Barbell Calculator ships an update every 2 weeks, and RackMath weekly. Most recently, PlateCalc Barbell Calculator was updated on November 1, 2026 and RackMath on October 31, 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.*