# ZOLA Vision vs GraphCalc

The clearest difference is in-app purchases: ZOLA Vision at none against GraphCalc's 1. GraphCalc's advantage is update cadence (every 6 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. GraphCalc sells 1 one-off in-app purchase. ZOLA Vision asks for nothing beyond the download.

ZOLA Vision ships an update every 2 months, GraphCalc every 6 days. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | ZOLA Vision | GraphCalc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 days** |
| Size | 56 MB | 45 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Zola Electric Labs, Inc.](https://appshunter.io/developer/1680796258) | [Daniel Aristizabal](https://appshunter.io/developer/6804928304) |

## What reviewers say

### ZOLA Vision

[App page](https://appshunter.io/ios/app/zola-vision/id1450384114)

**Features:** macOS Compatibility

**In-app purchases:** none


### GraphCalc

[App page](https://appshunter.io/ios/app/graphcalc-equations-and-matrix/id6804928302)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Unlock | $4.99 | one-time |


## Frequently asked questions

### Is ZOLA Vision free?

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

### Is GraphCalc free?

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

### Do ZOLA Vision or GraphCalc have ads?

Neither ZOLA Vision nor GraphCalc shows ads.

### Which is updated more often, ZOLA Vision or GraphCalc?

ZOLA Vision ships an update every 2 months, and GraphCalc every 6 days. Most recently, ZOLA Vision was updated on November 2, 2026 and GraphCalc on October 31, 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.*