# RLM vs Parali

The clearest difference is in-app purchases: Parali at none against RLM's 4. Parali also leads on iOS requirement (13.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. RLM sells 4 in-app purchases, starting at $0.49 per month. Parali asks for nothing beyond the download.

RLM ships an update every 5 weeks, Parali every 3 weeks. The most recent releases landed on October 24, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | RLM | Parali |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (19 ratings)](https://appshunter.io/ios/app/rlm-12cx/id1613759385/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 90.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 5 MB | 53 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [R.L.M. Software](https://appshunter.io/developer/289639238) | [PAGALI COMERCIO, SOCIEDADE UNIPESSOAL LDA](https://appshunter.io/developer/1111715957) |

## What reviewers say

### RLM

[App page](https://appshunter.io/ios/app/rlm-12cx/id1613759385)

This app is a powerful financial and business calculator designed for iOS devices, replicating the functionality of the HP-12C with expanded features. It offers comprehensive tools for finance, business calculations, statistics, scientific functions, and unit conversions.

**Highlights:** Finance and business calculations, Amortization schedules, Bond price and yield calculations, Black-Scholes options valuation, Depreciation methods, Currency and unit conversions, Statistical analysis, Programmable functions

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthtly 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 |


### Parali

[App page](https://appshunter.io/ios/app/parali/id6443763240)

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

**In-app purchases:** none


## Frequently asked questions

### Is RLM free?

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

### Is Parali free?

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

### Do RLM or Parali have ads?

Neither RLM nor Parali shows ads.

### Which is updated more often, RLM or Parali?

RLM ships an update every 5 weeks, and Parali every 3 weeks. Most recently, RLM was updated on October 24, 2026 and Parali on September 28, 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.*