# Flowcharts vs Geothermal Calculator

The clearest difference is price: Flowcharts at Free against Geothermal Calculator's $2.99. Geothermal Calculator's advantage is update cadence (every 2 days vs every 4 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Flowcharts is free to download; Geothermal Calculator costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Flowcharts ships an update every 4 months, Geothermal Calculator every 2 days. The most recent releases landed on August 30, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Flowcharts | Geothermal Calculator |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/flowcharts-visual-compiler/id1661824010/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 days** |
| Monetization | Free | — |
| Size | 1 MB | 2 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mert Arican](https://appshunter.io/developer/1549684453) | [Fourth Element Energy Pty Ltd](https://appshunter.io/developer/1652667540) |

## What reviewers say

### Flowcharts

[App page](https://appshunter.io/ios/app/flowcharts-visual-compiler/id1661824010)

Automate the creation of flowcharts by building pseudocode with basic programming blocks. Visualize your logic as a flowchart with a single tap and save your creations to your device for later use.

**Highlights:** Automated flowchart generation, Pseudocode building blocks, Visual logic representation, Save flowcharts to gallery, Easy-to-use interface

**Features:** macOS Compatibility

**In-app purchases:** none


### Geothermal Calculator

[App page](https://appshunter.io/ios/app/geothermal-calculator/id6448557390)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Flowcharts free?

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

### Is Geothermal Calculator free?

Geothermal Calculator costs $2.99, with no in-app purchases.

### Do Flowcharts or Geothermal Calculator have ads?

Neither Flowcharts nor Geothermal Calculator shows ads.

### Which is updated more often, Flowcharts or Geothermal Calculator?

Flowcharts ships an update every 4 months, and Geothermal Calculator every 2 days. Most recently, Flowcharts was updated on August 30, 2026 and Geothermal Calculator on September 17, 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.*