# 10BII Calc HD vs RLM

The clearest difference is price: RLM at Free against 10BII Calc HD's $8.99. RLM also leads on update cadence (every 2 months vs every 5 months) and iOS requirement (15.0 vs 17.6). 10BII Calc HD's advantage is in-app purchases (none vs 1) and ratings volume (3.7K vs 2). On rating, review sentiment, ads and device support there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.9 for 10BII Calc HD against 5.0 for RLM. That said, the two scores are not equally well evidenced: 10BII Calc HD has 3.7K ratings behind it against 2, so its average is the more settled of the two. Written reviews are what separate them: 99% of 10BII Calc HD's written reviews are positive against 100% of RLM's.

10BII Calc HD ships an update every 5 months, RLM every 2 months. The most recent releases landed on September 28, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | 10BII Calc HD | RLM |
| --- | --- | --- |
| Price | $8.99 | **Free** |
| Rating | [4.9 (3.7K ratings)](https://appshunter.io/ios/app/10bii-calc-hd/id382452060/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/rlm-ba2/id6443453491/reviews)** |
| Number of ratings | **3.7K** | 2 |
| Positive reviews | 98.8% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | Paid | **Free** |
| Best chart rank | **#10** | — |
| Size | 4 MB | 4 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ernest Brock](https://appshunter.io/developer/289555912) | [R.L.M. Software](https://appshunter.io/developer/289639238) |

## What reviewers say

### 10BII Calc HD

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

**Currently charting:** #10 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


### RLM

[App page](https://appshunter.io/ios/app/rlm-ba2/id6443453491)

This app offers a comprehensive suite of financial and business calculation tools, inspired by a popular professional calculator. It features specialized worksheets for loans, bonds, options, depreciation, and time value of money, alongside business, cash flow, statistics, and scientific functions.

**Highlights:** Finance Worksheets (Amortization, Bonds, Options), Business Calculations (Break-Even, Bill Split), Cash Flow Analysis, Statistical Functions, Scientific Calculator, Unit and Currency Conversions, Equation Solver

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Full Access | $9.99 | one-time |


## Frequently asked questions

### Is 10BII Calc HD free?

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

### Is RLM free?

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

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

RLM is rated higher. 10BII Calc HD averages 4.9 out of 5 from 3.7K ratings, while RLM averages 5.0 from 2 ratings.

### Do 10BII Calc HD or RLM have ads?

Neither 10BII Calc HD nor RLM shows ads.

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

10BII Calc HD ships an update every 5 months, and RLM every 2 months. Most recently, 10BII Calc HD was updated on September 28, 2026 and RLM on September 10, 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.*