# Summe Calculator vs HB Construction Calculator

The clearest difference is in-app purchases: HB Construction Calculator at none against Summe Calculator's 1. Summe Calculator's advantage is iOS requirement (16.0 vs 18.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Summe Calculator sells 1 one-off in-app purchase. HB Construction Calculator asks for nothing beyond the download.

Summe Calculator ships an update fortnightly, HB Construction Calculator every 3 weeks. The most recent releases landed on October 31, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Summe Calculator | HB Construction Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/summe-calculator/id6798785168/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Free | — |
| Size | 10 MB | 13 MB |
| Requires iOS | **16.0** | 18.6 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ESLIP OU](https://appshunter.io/developer/6798785350) | [Handy Bro Technologies LLC](https://appshunter.io/developer/1134425534) |

## What reviewers say

### Summe Calculator

[App page](https://appshunter.io/ios/app/summe-calculator/id6798785168)

This application offers advanced mathematical capabilities, including plotting 2D and 3D graphs, solving complex equations, and performing statistical analysis. It supports natural input and provides a comprehensive function library for finance, science, and engineering.

**Highlights:** Natural math input with readable formatting, 2D and 3D graphing of curves and surfaces, Extensive function library for finance and science, Symbolic and numerical equation solving, Matrix and linear algebra operations, Statistical analysis and data modeling, Complex number calculations

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Summe+ | $5.99 | one-time |


### HB Construction Calculator

[App page](https://appshunter.io/ios/app/hb-construction-calculator/id6802777178)

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

**In-app purchases:** none


## Frequently asked questions

### Is Summe Calculator free?

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

### Is HB Construction Calculator free?

HB Construction Calculator is free to download, with no in-app purchases.

### Do Summe Calculator or HB Construction Calculator have ads?

Neither Summe Calculator nor HB Construction Calculator shows ads.

### Which is updated more often, Summe Calculator or HB Construction Calculator?

Summe Calculator ships an update fortnightly, and HB Construction Calculator every 3 weeks. Most recently, Summe Calculator was updated on October 31, 2026 and HB Construction Calculator on November 6, 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.*