# RLM vs Tranquiliza

The clearest difference is in-app purchases: Tranquiliza at none against RLM's 4. Tranquiliza also leads on iOS requirement (15.1 vs 26.0). RLM's advantage is update cadence (every 2 months vs every 6 months). On price, 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. Tranquiliza asks for nothing beyond the download.

RLM ships an update every 2 months, Tranquiliza every 6 months. The most recent releases landed on October 30, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | RLM | Tranquiliza |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (19 ratings)](https://appshunter.io/ios/app/rlm-12cx/id1613759385/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 81.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 6 months |
| Monetization | Free with in-app purchases | — |
| Size | 8 MB | 14 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [R.L.M. Software](https://appshunter.io/developer/289639238) | [Novacorp Tecnologia Ltda](https://appshunter.io/developer/1494369941) |

## What reviewers say

### RLM

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

This app offers a powerful RPN calculator with specialized worksheets for finance, business, and scientific calculations. It includes features for time value of money, loan amortization, bond pricing, and statistical analysis, all accessible through a classic financial keyboard interface.

**Highlights:** RPN entry with four-level stack, Finance and business worksheets, Keystroke programming, Statistical analysis tools, Scientific functions, Units and constants conversion

**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 |


### Tranquiliza

[App page](https://appshunter.io/ios/app/tranquiliza/id6742157177)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is RLM free?

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

### Is Tranquiliza free?

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

### Do RLM or Tranquiliza have ads?

Neither RLM nor Tranquiliza shows ads.

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

RLM ships an update every 2 months, and Tranquiliza every 6 months. Most recently, RLM was updated on October 30, 2026 and Tranquiliza on October 9, 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.*