# Plate Calculator Pro vs StackProof

The clearest difference is device support: StackProof at 2 against Plate Calculator Pro's —. StackProof also leads on iOS requirement (15.1 vs 17.0). On price and in-app purchases there is nothing between them.

Both are free to download. Plate Calculator Pro sells 1 one-off in-app purchase and StackProof sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Plate Calculator Pro | StackProof |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/plate-calculator-pro/id6760272854/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | — | No |
| Update frequency | — | Weekly |
| Monetization | Ad-supported | — |
| Size | 3 MB | 42 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | — | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [CHAPPIE LLC](https://appshunter.io/developer/1883570527) | [joel Saucedo Lozano](https://appshunter.io/developer/1895885764) |

## What reviewers say

### Plate Calculator Pro

[App page](https://appshunter.io/ios/app/plate-calculator-pro/id6760272854)

Instantly calculate the correct weight plates to load onto a barbell. Features a visual plate diagram, custom plate inventory, and support for various bar types. Quickly adjust weights and save favorite combinations for efficient workouts.

**Highlights:** Instant plate calculation, Color-coded visual diagram, Custom plate inventory, Multiple bar type support, Quick weight adjustment, Save favorite weights, LB/KG support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


### StackProof

[App page](https://appshunter.io/ios/app/stackproof-supplement-tracker/id6764703324)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $1.99 | per month |
| Yearly | $34.99 | per year |
| Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is Plate Calculator Pro free?

Plate Calculator Pro is free to download, with in-app purchases available.

### Is StackProof free?

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

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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.*