# RLM vs 10bII+

The clearest difference is rating: RLM at 4.3 against 10bII+'s 1.9. RLM also leads on update cadence (monthly vs every 15 months) and review sentiment (33% vs 10%). 10bII+'s advantage is iOS requirement (12.0 vs 15.0). On price, ratings volume, ads and in-app purchases 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 holds the better App Store score, 4.3 against 1.9. Both are backed by a comparable volume of ratings — 4 and 9 respectively. Written reviews point the same way: 33% of RLM's written reviews are positive against 10% of 10bII+'s.

RLM ships an update monthly, 10bII+ every 15 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | RLM | 10bII+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (4 ratings)](https://appshunter.io/ios/app/rlm-12px/id1613770734/reviews)** | [1.9 (9 ratings)](https://appshunter.io/ios/app/10bii-plus/id6444637585/reviews) |
| Number of ratings | 4 | **9** |
| Positive reviews | **33.3% of reviews** | 10.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 15 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 6 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-12px/id1613770734)

This finance and business calculator emulates the HP-12C Platinum, offering a comprehensive suite of tools for financial analysis, business calculations, statistics, and scientific functions. It allows for loan amortization, bond pricing, option valuation, currency exchange, and program creation, all within an intuitive iOS interface.

**Highlights:** Finance and business calculations, Loan amortization and bond pricing, Black-Scholes options valuation, Currency exchange with online rates, Statistical analysis, Scientific and unit conversions, Program creation and equation solving

**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.

### Which has better reviews, RLM or 10bII+?

RLM is rated higher. RLM averages 4.3 out of 5 from 4 ratings, while 10bII+ averages 1.9 from 9 ratings.

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

Neither RLM nor 10bII+ shows ads.

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

RLM ships an update monthly, and 10bII+ every 15 months. Most recently, RLM was updated on October 24, 2026 and 10bII+ on October 24, 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.*