# Fast Interest Calculator vs YieldGen

The clearest difference is in-app purchases: Fast Interest Calculator at none against YieldGen's 2. YieldGen's advantage is update cadence (every 4 days vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. YieldGen sells 2 in-app purchases, starting at $19.99 per month. Fast Interest Calculator asks for nothing beyond the download.

Fast Interest Calculator ships an update every 6 weeks, YieldGen every 4 days. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Fast Interest Calculator | YieldGen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/yieldgen/id6790171194/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 4 days** |
| Monetization | — | Freemium |
| Size | 51 MB | 33 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Camilo Ortegon](https://appshunter.io/developer/993583183) | [YieldGen LLC](https://appshunter.io/developer/6790171196) |

## What reviewers say

### Fast Interest Calculator

[App page](https://appshunter.io/ios/app/fast-interest-calculator/id6475480484)

**Features:** macOS Compatibility

**In-app purchases:** none


### YieldGen

[App page](https://appshunter.io/ios/app/yieldgen/id6790171194)

This platform helps options traders optimize yield by systematically selling cash-secured puts and covered calls. It connects to your brokerage to analyze opportunities, size trades, and track their full lifecycle, including recovery of assigned shares.

**Highlights:** Yield-centric option chains, Trade analytics with visuals, Capital velocity tracking, Assignment and recovery tracking, Full portfolio and cash view, Brokerage account sync, AI trade analysis

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| YieldGen Monthly | $19.99 | per month |
| YieldGen Annual | $199.99 | per year |


## Frequently asked questions

### Is Fast Interest Calculator free?

Fast Interest Calculator is free to download, with no in-app purchases.

### Is YieldGen free?

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

### Do Fast Interest Calculator or YieldGen have ads?

Neither Fast Interest Calculator nor YieldGen shows ads.

### Which is updated more often, Fast Interest Calculator or YieldGen?

Fast Interest Calculator ships an update every 6 weeks, and YieldGen every 4 days. Most recently, Fast Interest Calculator was updated on November 4, 2026 and YieldGen on October 31, 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.*