# BA Plus Pro Calculator vs HH Smart

The clearest difference is price: HH Smart at Free against BA Plus Pro Calculator's $1.99. BA Plus Pro Calculator's advantage is update cadence (every 6 weeks vs every 3 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

HH Smart 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, HH Smart every 3 months. The most recent releases landed on September 24, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | BA Plus Pro Calculator | HH Smart |
| --- | --- | --- |
| 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 3 months |
| Monetization | Paid | — |
| Size | 4 MB | 190 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [国栋 焦](https://appshunter.io/developer/1466088185) | [深圳哼哈智能电子有限公司](https://appshunter.io/developer/1783587414) |

## 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


### HH Smart

[App page](https://appshunter.io/ios/app/hh-smart/id6739068971)

**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 HH Smart free?

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

### Do BA Plus Pro Calculator or HH Smart have ads?

Neither BA Plus Pro Calculator nor HH Smart shows ads.

### Which is updated more often, BA Plus Pro Calculator or HH Smart?

BA Plus Pro Calculator ships an update every 6 weeks, and HH Smart every 3 months. Most recently, BA Plus Pro Calculator was updated on September 24, 2026 and HH Smart on September 18, 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.*