# STINU Position Size Calculator vs TraderWaves

The clearest difference is rating: TraderWaves at 5.0 against STINU Position Size Calculator's 4.6. STINU Position Size Calculator's advantage is ratings volume (835 vs 1) and update cadence (every 2 weeks vs monthly). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. STINU Position Size Calculator sells 1 in-app purchase, starting at $18.99 per year and TraderWaves sells 2 in-app purchases, starting at $29.99 per month. Whichever you choose, the download price is not the number that matters.

TraderWaves holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: STINU Position Size Calculator has 835 ratings behind it against 1, so its average is the more settled of the two.

STINU Position Size Calculator ships an update every 2 weeks, TraderWaves monthly. The most recent releases landed on September 24, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | STINU Position Size Calculator | TraderWaves |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (835 ratings)](https://appshunter.io/ios/app/stinu-position-size-calculator/id1415292923/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/traderwaves/id6770179151/reviews)** |
| Number of ratings | **835** | 1 |
| Positive reviews | 45.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 60 MB | 53 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Black Tower Investments Ltd.](https://appshunter.io/developer/659419543) | [Wallace FX Ltd](https://appshunter.io/developer/1896722138) |

## What reviewers say

### STINU Position Size Calculator

[App page](https://appshunter.io/ios/app/stinu-position-size-calculator/id1415292923)

This app provides precise position sizing for Forex, commodities, and cryptocurrency trading using live market data. It helps traders eliminate errors and execute trades with confidence by accurately calculating trade size based on risk tolerance and stop-loss distances.

**Highlights:** Real-time market data for accurate calculations, Supports multiple account currencies, Fast calculation for multiple stop-loss distances, Calculations for commodities and crypto, Leverage independent risk calculation, Intuitive and clean user interface, Eliminates manual calculation errors

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual Subscription | $18.99 | per year |

**What reviewers like**

- 🚀 Easy to use
- 👍 Simple and accurate
- 🚀 Quick calculations
- 👍 Great for risk management
- 👍 Helpful for beginners

**What reviewers complain about**

- 🐛 Doesn't work on weekends
- 🐛 Inaccurate risk calculations
- 💰 Overpriced subscription
- 🐛 Frequent errors and bugs
- 🐛 Doesn't work with all currency pairs

**Reported bugs**

- Requests for market price fail
- Unable to enter decimal values for pips
- App crashes on certain devices
- Incorrect lot size calculations

**Requested features**

- Add support for indices (US30, NAS100, SPX500)
- Add support for cryptocurrencies and commodities
- Allow calculations outside of market hours
- Add a night mode/dark theme
- Implement saved profiles for different account sizes


### TraderWaves

[App page](https://appshunter.io/ios/app/traderwaves/id6770179151)

Track your trading performance with a comprehensive journal and analytics platform. Review trade history, analyze key metrics, and manage your workflow. Offers interactive charts and custom notes to enhance your trading strategy.

**Highlights:** Trade journal for decision review, Performance analytics and metrics, Detailed trade history, Daily journal and strategy notes, Interactive charts, Push notifications

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TraderWaves Pro Monthly | $29.99 | per month |
| TraderWaves Pro Yearly | $239.99 | per year |


## Frequently asked questions

### Is STINU Position Size Calculator free?

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

### Is TraderWaves free?

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

### Which has better reviews, STINU Position Size Calculator or TraderWaves?

TraderWaves is rated higher. STINU Position Size Calculator averages 4.6 out of 5 from 835 ratings, while TraderWaves averages 5.0 from 1 ratings.

### Do STINU Position Size Calculator or TraderWaves have ads?

Neither STINU Position Size Calculator nor TraderWaves shows ads.

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

STINU Position Size Calculator ships an update every 2 weeks, and TraderWaves monthly. Most recently, STINU Position Size Calculator was updated on September 24, 2026 and TraderWaves on September 23, 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.*