# GeoGebra CAS Calculator vs buchDB

The clearest difference is update cadence: buchDB at every 11 days against GeoGebra CAS Calculator's monthly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

GeoGebra CAS Calculator ships an update monthly, buchDB every 11 days. The most recent releases landed on November 8, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | GeoGebra CAS Calculator | buchDB |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (14 ratings)](https://appshunter.io/ios/app/geogebra-cas-calculator/id1436278267/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 64.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 11 days** |
| Monetization | Free | — |
| Size | 104 MB | 55 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [GeoGebra GmbH](https://appshunter.io/developer/1580697096) | [f5p UG (haftungsbeschraenkt)](https://appshunter.io/developer/1740522811) |

## What reviewers say

### GeoGebra CAS Calculator

[App page](https://appshunter.io/ios/app/geogebra-cas-calculator/id1436278267)

This powerful algebra calculator helps users solve complex math problems, including equations, derivatives, and integrals. It offers advanced features like working with undefined variables and finding function points. Users can also access free learning activities and share their results.

**Highlights:** Solve equations, Expand and factor expressions, Find derivatives and integrals, Work with undefined variables, Computer algebra system (CAS), Function point analysis, Table of values for functions

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

**In-app purchases:** none


### buchDB

[App page](https://appshunter.io/ios/app/buchdb/id6760577929)

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

**In-app purchases:** none


## Frequently asked questions

### Is GeoGebra CAS Calculator free?

GeoGebra CAS Calculator is free to download, with no in-app purchases.

### Is buchDB free?

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

### Do GeoGebra CAS Calculator or buchDB have ads?

Neither GeoGebra CAS Calculator nor buchDB shows ads.

### Which is updated more often, GeoGebra CAS Calculator or buchDB?

GeoGebra CAS Calculator ships an update monthly, and buchDB every 11 days. Most recently, GeoGebra CAS Calculator was updated on November 8, 2026 and buchDB on November 5, 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.*