# Promethean vs TernaryCalc

Promethean and TernaryCalc are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | Promethean | TernaryCalc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.5 (60 ratings)](https://appshunter.io/ios/app/promethean/id1447288595/reviews)** | — |
| Number of ratings | **60** | — |
| Positive reviews | 17.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Monetization | Free | — |
| Size | 66 MB | 2 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Promethean](https://appshunter.io/developer/321367877) | [Chiel Zwinkels](https://appshunter.io/developer/1869126511) |

## What reviewers say

### Promethean

[App page](https://appshunter.io/ios/app/promethean/id1447288595)

This app facilitates classroom collaboration by allowing students and teachers to interact with interactive panels wirelessly. IT administrators can also manage panel enrollment and updates. It offers screen sharing and access to training resources.

**Highlights:** Wireless screen sharing, Panel management for IT admins, Access to training materials, Student-teacher interaction, Panel enrollment and naming

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

**In-app purchases:** none


### TernaryCalc

[App page](https://appshunter.io/ios/app/ternarycalc/id6798048151)

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

**In-app purchases:** none


## Frequently asked questions

### Is Promethean free?

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

### Is TernaryCalc free?

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

### Do Promethean or TernaryCalc have ads?

Neither Promethean nor TernaryCalc shows ads.

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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.*