# Position Size Calculator vs Signal Sizer

The clearest difference is ads: Signal Sizer at none against Position Size Calculator's shown. Position Size Calculator's advantage is update cadence (weekly vs monthly). On price, in-app purchases, device support and iOS requirement 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 Signal Sizer sells 1 in-app purchase, starting at $2.49 per 7 days. Whichever you choose, the download price is not the number that matters.

Position Size Calculator ships an update weekly, Signal Sizer monthly. Both last shipped on November 5, 2026.

## The numbers

| Metric | Position Size Calculator | Signal Sizer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Monthly |
| Size | 93 MB | 10 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Vladyslav Boiko](https://appshunter.io/developer/1894025020) | [Jean Pierre Djidiack FAYE](https://appshunter.io/developer/6789154647) |

## 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 |


### Signal Sizer

[App page](https://appshunter.io/ios/app/signal-sizer/id6789154645)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Signal Sizer Premium | $2.49 | per 7 days |


## Frequently asked questions

### Is Position Size Calculator free?

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

### Is Signal Sizer free?

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

### Do Position Size Calculator or Signal Sizer have ads?

Position Size Calculator shows ads; Signal Sizer does not.

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

Position Size Calculator ships an update weekly, and Signal Sizer monthly. Most recently, Position Size Calculator was updated on November 5, 2026 and Signal Sizer on November 5, 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.*