# 10BII Calc HD vs 10bII+

The clearest difference is review sentiment: 10BII Calc HD at 99% against 10bII+'s 10%. 10BII Calc HD also leads on rating (4.9 vs 1.9) and in-app purchases (none vs 1). 10bII+'s advantage is price (Free vs $8.99) and iOS requirement (12.0 vs 17.6). On ads and device support there is nothing between them.

10bII+ is free to download; 10BII Calc HD costs $8.99 up front. 10bII+ sells 1 one-off in-app purchase. 10BII Calc HD asks for nothing beyond the download.

10BII Calc HD holds the better App Store score, 4.9 against 1.9. That said, the two scores are not equally well evidenced: 10BII Calc HD has 3.7K ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 99% of 10BII Calc HD's written reviews are positive against 10% of 10bII+'s.

10BII Calc HD ships an update every 5 months, 10bII+ every 15 months. The most recent releases landed on September 25, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | 10BII Calc HD | 10bII+ |
| --- | --- | --- |
| Price | $8.99 | **Free** |
| Rating | **[4.9 (3.7K ratings)](https://appshunter.io/ios/app/10bii-calc-hd/id382452060/reviews)** | [1.9 (9 ratings)](https://appshunter.io/ios/app/10bii-plus/id6444637585/reviews) |
| Number of ratings | **3.7K** | 9 |
| Positive reviews | **98.8% of reviews** | 10.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 15 months |
| Monetization | Paid | **Free with in-app purchases** |
| Best chart rank | **#41** | — |
| Size | 4 MB | 15 MB |
| Requires iOS | 17.6 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ernest Brock](https://appshunter.io/developer/289555912) | [Anishu, Inc.](https://appshunter.io/developer/306257913) |

## What reviewers say

### 10BII Calc HD

[App page](https://appshunter.io/ios/app/10bii-calc-hd/id382452060)

**Currently charting:** #41 Top Paid · Finance (US App Store)

This advanced calculator offers over 100 functions for business, finance, math, and statistics. It simplifies complex calculations like loans, cash flows, and depreciation with an intuitive interface and specialized worksheets. Includes interactive graphs and an audit tape for tracking all computations.

**Highlights:** Over 100 business, finance, math, and statistics functions, Time Value of Money calculations with TVM solver, Cash flow analysis with dedicated editor, Statistical analysis and forecasting, Currency and unit conversions, Interactive graphs and audit tape

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Outstanding app
- 🚀 Great product
- 🚀 Great financial calculator
- 🚀 iPad keyboard support
- 🚀 Best financial calculator app

**What reviewers complain about**

- 🐛 Doesn't retain my stored values in the registers once the app is closed on my IPhone Pro

**Reported bugs**

- Loan payment calculation issue after update

**Requested features**

- RPN mode
- Canadian mortgage support


### 10bII+

[App page](https://appshunter.io/ios/app/10bii-plus/id6444637585)

This app is a financial calculator that replicates the functionality of a popular physical calculator. It offers basic functions for free, with advanced financial worksheets available through a one-time purchase. Features include interactive prompts and register views to help users understand and remember calculations.

**Highlights:** Full HP 10bII+ functionality, Interactive prompts and recipes, Register views for stored values, Basic calculator functions included, Advanced financial worksheets via IAP, Customizable recipe recording

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10bII+: Full Functionality | $5.99 | one-time |


## Frequently asked questions

### Is 10BII Calc HD free?

10BII Calc HD costs $8.99, with no in-app purchases.

### Is 10bII+ free?

10bII+ is free to download, with in-app purchases available.

### Which has better reviews, 10BII Calc HD or 10bII+?

10BII Calc HD is rated higher. 10BII Calc HD averages 4.9 out of 5 from 3.7K ratings, while 10bII+ averages 1.9 from 9 ratings.

### Do 10BII Calc HD or 10bII+ have ads?

Neither 10BII Calc HD nor 10bII+ shows ads.

### Which is updated more often, 10BII Calc HD or 10bII+?

10BII Calc HD ships an update every 5 months, and 10bII+ every 15 months. Most recently, 10BII Calc HD was updated on September 25, 2026 and 10bII+ on September 8, 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.*