# grommunio chat vs DB48X

The clearest difference is price: grommunio chat at Free against DB48X's $4.99. grommunio chat also leads on iOS requirement (12.4 vs 14.0). DB48X's advantage is update cadence (every 3 weeks vs every 3 months). On ads, in-app purchases and device support there is nothing between them.

grommunio chat is free to download; DB48X costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

grommunio chat ships an update every 3 months, DB48X every 3 weeks. The most recent releases landed on September 22, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | grommunio chat | DB48X |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | — | **[4.8 (4 ratings)](https://appshunter.io/ios/app/db48x/id6615086535/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | — | Paid |
| Size | 65 MB | 7 MB |
| Requires iOS | **12.4** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [grommunio GmbH](https://appshunter.io/developer/1582191992) | [Christophe de Dinechin](https://appshunter.io/developer/1761608161) |

## What reviewers say

### grommunio chat

[App page](https://appshunter.io/ios/app/grommunio-chat/id1582191990)

**Features:** macOS Compatibility

**In-app purchases:** none


### DB48X

[App page](https://appshunter.io/ios/app/db48x/id6615086535)

This advanced scientific calculator offers arbitrary precision computations, RPN and algebraic operations, and extensive graphing capabilities. It supports complex numbers, matrices, symbolic calculations, and over 1000 built-in functions, inspired by the HP48 series.

**Highlights:** Arbitrary precision computations, RPN and algebraic operations, Complex numbers, vectors, and matrices, Symbolic computations and numerical solving, Graphing and plotting, Engineering units and currency conversion, Built-in hyperlinked help system

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

**In-app purchases:** none


## Frequently asked questions

### Is grommunio chat free?

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

### Is DB48X free?

DB48X costs $4.99, with no in-app purchases.

### Do grommunio chat or DB48X have ads?

Neither grommunio chat nor DB48X shows ads.

### Which is updated more often, grommunio chat or DB48X?

grommunio chat ships an update every 3 months, and DB48X every 3 weeks. Most recently, grommunio chat was updated on September 22, 2026 and DB48X 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.*