# Vector Calculator Plus vs Zenli App

The clearest difference is price: Zenli App at Free against Vector Calculator Plus's $2.99. Zenli App also leads on update cadence (weekly vs every 43 months). Vector Calculator Plus's advantage is ads (none vs shown) and iOS requirement (13 vs 17.0). On in-app purchases and device support there is nothing between them.

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

Vector Calculator Plus ships an update every 43 months, Zenli App weekly. The most recent releases landed on October 18, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Vector Calculator Plus | Zenli App |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[2.5 (2 ratings)](https://appshunter.io/ios/app/vector-calculator-plus/id1630864948/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 43 months | **Weekly** |
| Monetization | Paid | — |
| Size | 1 MB | 158 MB |
| Requires iOS | **13** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Heng Jia Liang](https://appshunter.io/developer/1532000635) | [Zenli Services Pty Ltd](https://appshunter.io/developer/1855330397) |

## What reviewers say

### Vector Calculator Plus

[App page](https://appshunter.io/ios/app/vector-calculator-plus/id1630864948)

This app simplifies vector addition for students and educators. It allows for quick calculations of multiple vectors, visualizing the results with generated graphs. Users can customize graph elements and save images for later use.

**Highlights:** Instant vector calculation, Add multiple vectors by x, y, magnitude, or angle, Generate vector images, Save vector images to camera roll, Customize graph display options, Set background color for graphs

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

**In-app purchases:** none


### Zenli App

[App page](https://appshunter.io/ios/app/zenli-app/id6755660483)

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

**In-app purchases:** none


## Frequently asked questions

### Is Vector Calculator Plus free?

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

### Is Zenli App free?

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

### Do Vector Calculator Plus or Zenli App have ads?

Zenli App shows ads; Vector Calculator Plus does not.

### Which is updated more often, Vector Calculator Plus or Zenli App?

Vector Calculator Plus ships an update every 43 months, and Zenli App weekly. Most recently, Vector Calculator Plus was updated on October 18, 2026 and Zenli App on October 22, 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.*