# YieldRates vs Option Calculation

YieldRates and Option Calculation are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

YieldRates ships an update every 3 months, Option Calculation every 2 months. The most recent releases landed on June 2, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | YieldRates | Option Calculation |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 1 MB | 5 MB |
| Requires iOS | 17.0 | **16** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kenneth Klinger](https://appshunter.io/developer/539184948) | [jiang jin fu](https://appshunter.io/developer/499276167) |

## What reviewers say

### YieldRates

[App page](https://appshunter.io/ios/app/yieldrates/id562678983)

Visualize U.S. Treasury Security yield trends for current and historical periods. Explore data from one month to thirty years through scrollable line and bar charts. Intended for educational use, it utilizes the FRED API.

**Highlights:** Visualize U.S. Treasury Security yields, Current and historical data, Maturities from one month to thirty years, Scrollable line charts, Detailed bar charts for selected dates, FRED API integration

**Features:** macOS Compatibility

**In-app purchases:** none


### Option Calculation

[App page](https://appshunter.io/ios/app/option-calculation/id6698853371)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is YieldRates free?

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

### Is Option Calculation free?

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

### Do YieldRates or Option Calculation have ads?

Neither YieldRates nor Option Calculation shows ads.

### Which is updated more often, YieldRates or Option Calculation?

YieldRates ships an update every 3 months, and Option Calculation every 2 months. Most recently, YieldRates was updated on June 2, 2026 and Option Calculation on September 19, 2026.

---

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