# TradeCheck vs Position Size Calculator

The clearest difference is ads: TradeCheck at none against Position Size Calculator's shown. Position Size Calculator's advantage is update cadence (weekly vs monthly) and iOS requirement (16.6 vs 18.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. TradeCheck sells 3 in-app purchases, starting at $4.99 per month and Position Size Calculator sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

TradeCheck ships an update monthly, Position Size Calculator weekly. The most recent releases landed on October 30, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | TradeCheck | Position Size Calculator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Weekly** |
| Size | 7 MB | 93 MB |
| Requires iOS | 18.6 | **16.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [HIRONORI KAIDA](https://appshunter.io/developer/1839343856) | [Vladyslav Boiko](https://appshunter.io/developer/1894025020) |

## What reviewers say

### TradeCheck

[App page](https://appshunter.io/ios/app/tradecheck/id6756069904)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月額プラン（月額８００円相当） | $4.99 | per month |
| 半年プラン（月額600円相当） | $22.99 | per 6 months |
| 年間プラン | $39.99 | per year |


### 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 |


## Frequently asked questions

### Is TradeCheck free?

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

### Is Position Size Calculator free?

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

### Do TradeCheck or Position Size Calculator have ads?

Position Size Calculator shows ads; TradeCheck does not.

### Which is updated more often, TradeCheck or Position Size Calculator?

TradeCheck ships an update monthly, and Position Size Calculator weekly. Most recently, TradeCheck was updated on October 30, 2026 and Position Size Calculator on November 4, 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.*