# Trader Pro Risk Calculator vs Signal Sizer

The clearest difference is update cadence: Trader Pro Risk Calculator at every 3 days against Signal Sizer's monthly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Trader Pro Risk Calculator sells 1 one-off in-app purchase 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.

Trader Pro Risk Calculator ships an update every 3 days, Signal Sizer monthly. Both last shipped on November 5, 2026.

## The numbers

| Metric | Trader Pro Risk Calculator | Signal Sizer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Monthly |
| Size | 3 MB | 10 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 9+ | 4+ |
| Developer | [pablo galdon rodriguez](https://appshunter.io/developer/1896031985) | [Jean Pierre Djidiack FAYE](https://appshunter.io/developer/6789154647) |

## What reviewers say

### Trader Pro Risk Calculator

[App page](https://appshunter.io/ios/app/trader-pro-risk-calculator/id6765671814)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Trader Pro Premium | $12.99 | 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 Trader Pro Risk Calculator free?

Trader Pro Risk 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 Trader Pro Risk Calculator or Signal Sizer have ads?

Neither Trader Pro Risk Calculator nor Signal Sizer shows ads.

### Which is updated more often, Trader Pro Risk Calculator or Signal Sizer?

Trader Pro Risk Calculator ships an update every 3 days, and Signal Sizer monthly. Most recently, Trader Pro Risk 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.*