# RLM vs 10bII+

The clearest difference is update cadence: RLM at every 2 months against 10bII+'s every 15 months. 10bII+'s advantage is review sentiment (10% vs 0%) and iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. RLM sells 4 in-app purchases, starting at $0.49 per month and 10bII+ sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

RLM ships an update every 2 months, 10bII+ every 15 months. The most recent releases landed on September 12, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | RLM | 10bII+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.9 (9 ratings)](https://appshunter.io/ios/app/10bii-plus/id6444637585/reviews)** |
| Number of ratings | — | **9** |
| Positive reviews | 0.0% of reviews | **10.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 15 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 7 MB | 15 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [R.L.M. Software](https://appshunter.io/developer/289639238) | [Anishu, Inc.](https://appshunter.io/developer/306257913) |

## What reviewers say

### RLM

[App page](https://appshunter.io/ios/app/rlm-10bx/id1563019331)

This app simulates a powerful financial calculator, offering extensive tools for business, finance, statistics, and scientific calculations. It provides worksheets for loan amortization, bond pricing, currency exchange, and more, all within an intuitive interface designed for iOS devices.

**Highlights:** Finance worksheets (amortization, bond price, time value of money), Business calculations (bill split, break-even, currency exchange), Cash flow analysis, Statistical functions, Scientific and trigonometric functions, Unit and currency conversions, Date and time calculations, Equation solver

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $0.49 | per month |
| Semi-Annual Subscription | $2.99 | per 6 months |
| Annual Subscription | $5.99 | per year |
| Lifetime Purchase | $9.99 | one-time |


### 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 RLM free?

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

### Is 10bII+ free?

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

### Do RLM or 10bII+ have ads?

Neither RLM nor 10bII+ shows ads.

### Which is updated more often, RLM or 10bII+?

RLM ships an update every 2 months, and 10bII+ every 15 months. Most recently, RLM was updated on September 12, 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.*