# BA Plus Pro Calculator vs FEEL's

The clearest difference is price: FEEL's at Free against BA Plus Pro Calculator's $1.99. BA Plus Pro Calculator's advantage is update cadence (every 6 weeks vs every 21 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

FEEL's is free to download; BA Plus Pro Calculator costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

BA Plus Pro Calculator ships an update every 6 weeks, FEEL's every 21 months. The most recent releases landed on September 24, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | BA Plus Pro Calculator | FEEL's |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/ba-plus-pro-calculator/id1492792206/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 62.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 21 months |
| Monetization | Paid | — |
| Size | 4 MB | 206 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [国栋 焦](https://appshunter.io/developer/1466088185) | [suriya arayasatjapong](https://appshunter.io/developer/1508108872) |

## What reviewers say

### BA Plus Pro Calculator

[App page](https://appshunter.io/ios/app/ba-plus-pro-calculator/id1492792206)

This app emulates the TI BA II Plus financial calculator, offering familiar functions and algorithms. It's optimized for iPhone and iPad, preserving your work between sessions for seamless financial calculations and analysis.

**Highlights:** Time Value of Money calculations, Cash flow analysis (NPV, IRR), Amortization schedules, Full scientific calculations, Chain or Algebraic calculation, Statistical analysis, Session state preservation

**Features:** macOS Compatibility

**In-app purchases:** none


### FEEL's

[App page](https://appshunter.io/ios/app/feels/id1508108873)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BA Plus Pro Calculator free?

BA Plus Pro Calculator costs $1.99, with no in-app purchases.

### Is FEEL's free?

FEEL's is free to download, with no in-app purchases.

### Do BA Plus Pro Calculator or FEEL's have ads?

Neither BA Plus Pro Calculator nor FEEL's shows ads.

### Which is updated more often, BA Plus Pro Calculator or FEEL's?

BA Plus Pro Calculator ships an update every 6 weeks, and FEEL's every 21 months. Most recently, BA Plus Pro Calculator was updated on September 24, 2026 and FEEL's 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.*