# Complex Vector Calc vs Pocket EE Primer

The clearest difference is price: Pocket EE Primer at Free against Complex Vector Calc's $1.99. On update cadence, ads, in-app purchases and device support there is nothing between them.

Pocket EE Primer is free to download; Complex Vector Calc costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Complex Vector Calc ships an update every 49 months, Pocket EE Primer every 25 months. The most recent releases landed on October 3, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Complex Vector Calc | Pocket EE Primer |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[3.0 (4 ratings)](https://appshunter.io/ios/app/complex-vector-calc/id1351794231/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 49 months | **Every 25 months** |
| Monetization | Paid | — |
| Size | 15 MB | 38 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Donnie Herman](https://appshunter.io/developer/837266303) | [Sigma Sky, LLC](https://appshunter.io/developer/320947305) |

## What reviewers say

### Complex Vector Calc

[App page](https://appshunter.io/ios/app/complex-vector-calc/id1351794231)

This app provides tools to calculate, visualize, and understand vectors and complex numbers. It offers interactive graphing, animated examples, and built-in formulas for students, teachers, and professionals. Easily export reports and review past calculations.

**Highlights:** Vector and complex number calculations, Rectangular to polar form conversion, Interactive real-time graphing, Animated examples and variable controls, Built-in formulas and guides, PDF report export, Calculation history

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

**In-app purchases:** none


### Pocket EE Primer

[App page](https://appshunter.io/ios/app/pocket-ee-primer/id6445863718)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Complex Vector Calc free?

Complex Vector Calc costs $1.99, with no in-app purchases.

### Is Pocket EE Primer free?

Pocket EE Primer is free to download, with no in-app purchases.

### Do Complex Vector Calc or Pocket EE Primer have ads?

Neither Complex Vector Calc nor Pocket EE Primer shows ads.

### Which is updated more often, Complex Vector Calc or Pocket EE Primer?

Complex Vector Calc ships an update every 49 months, and Pocket EE Primer every 25 months. Most recently, Complex Vector Calc was updated on October 3, 2026 and Pocket EE Primer on October 1, 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.*