# TradeCalc Position Size Calc vs RiskEngine

The clearest difference is in-app purchases: RiskEngine at none against TradeCalc Position Size Calc's 1. RiskEngine also leads on update cadence (every 2 days vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. TradeCalc Position Size Calc sells 1 one-off in-app purchase. RiskEngine asks for nothing beyond the download.

TradeCalc Position Size Calc ships an update monthly, RiskEngine every 2 days. The most recent releases landed on October 18, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | TradeCalc Position Size Calc | RiskEngine |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Monthly | **Every 2 days** |
| Size | 8 MB | 5 MB |
| Requires iOS | 17 | **16.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Alex Masure](https://appshunter.io/developer/1884681168) | [Ivan Vecchi](https://appshunter.io/developer/927926503) |

## What reviewers say

### TradeCalc Position Size Calc

[App page](https://appshunter.io/ios/app/tradecalc-position-size-calc/id6760482857)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TradeCalc Pro | $2.99 | one-time |


### RiskEngine

[App page](https://appshunter.io/ios/app/riskengine/id6761357170)

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

**In-app purchases:** none


## Frequently asked questions

### Is TradeCalc Position Size Calc free?

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

### Is RiskEngine free?

RiskEngine is free to download, with no in-app purchases.

### Do TradeCalc Position Size Calc or RiskEngine have ads?

Both TradeCalc Position Size Calc and RiskEngine show ads.

### Which is updated more often, TradeCalc Position Size Calc or RiskEngine?

TradeCalc Position Size Calc ships an update monthly, and RiskEngine every 2 days. Most recently, TradeCalc Position Size Calc was updated on October 18, 2026 and RiskEngine on October 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*