# Position Size Calculator vs EV TRADING LABS

The clearest difference is ads: EV TRADING LABS at none against Position Size Calculator's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Position Size Calculator sells 2 in-app purchases, starting at $3.99 per month and EV TRADING LABS sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Position Size Calculator ships an update weekly, EV TRADING LABS every 10 days. The most recent releases landed on November 5, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Position Size Calculator | EV TRADING LABS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 10 days |
| Size | 93 MB | 24 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone, iPad | iPhone, Mac |
| Age rating | 4+ | 17+ |
| Developer | [Vladyslav Boiko](https://appshunter.io/developer/1894025020) | [ENRIQUE VALEROS MURIANA](https://appshunter.io/developer/6778818504) |

## What reviewers say

### Position Size Calculator

[App page](https://appshunter.io/ios/app/position-size-calculator-psc/id6762391592)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO Monthly | $3.99 | per month |
| PRO Lifetime | $9.99 | one-time |


### EV TRADING LABS

[App page](https://appshunter.io/ios/app/ev-trading-labs/id6778818502)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| EVTL Pro Monthly | $4.99 | per month |
| EVTL Pro Yearly | $39.99 | per year |


## Frequently asked questions

### Is Position Size Calculator free?

Position Size Calculator is free to download, with in-app purchases available.

### Is EV TRADING LABS free?

EV TRADING LABS is free to download, with in-app purchases available.

### Do Position Size Calculator or EV TRADING LABS have ads?

Position Size Calculator shows ads; EV TRADING LABS does not.

### Which is updated more often, Position Size Calculator or EV TRADING LABS?

Position Size Calculator ships an update weekly, and EV TRADING LABS every 10 days. Most recently, Position Size Calculator was updated on November 5, 2026 and EV TRADING LABS on September 30, 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.*