# STS Position Size Calculator vs Usage for Claude

The clearest difference is price: Usage for Claude at Free against STS Position Size Calculator's $12.99. STS Position Size Calculator's advantage is in-app purchases (none vs 6) and iOS requirement (11.0 vs 26.2). On update cadence, ads and device support there is nothing between them.

Usage for Claude is free to download; STS Position Size Calculator costs $12.99 up front. Usage for Claude sells 6 in-app purchases, starting at $0.99 per month. STS Position Size Calculator asks for nothing beyond the download.

STS Position Size Calculator ships an update fortnightly, Usage for Claude every 3 weeks. The most recent releases landed on October 14, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | STS Position Size Calculator | Usage for Claude |
| --- | --- | --- |
| Price | $12.99 | **Free** |
| Rating | — | **[4.2 (5 ratings)](https://appshunter.io/ios/app/usage-for-claude/id6755173244/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 58.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | — | Free |
| Size | 46 MB | 24 MB |
| Requires iOS | **11.0** | 26.2 |
| Devices | iPhone, iPad, iPod, Mac | iPhone, iPad, Mac, Apple Watch |
| Age rating | 17+ | 4+ |
| Developer | [Smart Trading Software ltd](https://appshunter.io/developer/1706120455) | [amir hayek](https://appshunter.io/developer/845110506) |

## What reviewers say

### STS Position Size Calculator

[App page](https://appshunter.io/ios/app/sts-position-size-calculator/id6465696183)

**In-app purchases:** none


### Usage for Claude

[App page](https://appshunter.io/ios/app/usage-for-claude/id6755173244)

Monitor your AI assistant's usage on iOS. View real-time consumption, track trends with interactive charts, and gain insights into your activity patterns. Requires a companion Mac app for data syncing.

**Highlights:** Real-time usage display, Interactive charts, Activity grid visualization, Usage insights and trends, Seamless iCloud sync, Pull to refresh functionality

**Features:** Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro Subscription | $0.99 | per month |
| Monthly Pro Subscription | $5.99 | per year |
| Buy me a coffee | $2.99 | one-time |
| Buy me lunch | $9.99 | one-time |
| Dashboard Full History | $17.99 | one-time |
| You're awesome | $19.99 | one-time |


## Frequently asked questions

### Is STS Position Size Calculator free?

STS Position Size Calculator costs $12.99, with no in-app purchases.

### Is Usage for Claude free?

Usage for Claude is free to download, with in-app purchases available.

### Do STS Position Size Calculator or Usage for Claude have ads?

Neither STS Position Size Calculator nor Usage for Claude shows ads.

### Which is updated more often, STS Position Size Calculator or Usage for Claude?

STS Position Size Calculator ships an update fortnightly, and Usage for Claude every 3 weeks. Most recently, STS Position Size Calculator was updated on October 14, 2026 and Usage for Claude on October 20, 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.*