# Progwhiz PDF Viewer vs GraphMath

The clearest difference is update cadence: GraphMath at fortnightly against Progwhiz PDF Viewer's every 10 months. On price, ads, in-app purchases and device support there is nothing between them.

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

Progwhiz PDF Viewer ships an update every 10 months, GraphMath fortnightly. The most recent releases landed on October 12, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Progwhiz PDF Viewer | GraphMath |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (15 ratings)](https://appshunter.io/ios/app/graphmath/id1582680101/reviews)** |
| Number of ratings | — | **15** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Fortnightly** |
| Monetization | — | Free |
| Size | 3 MB | 6 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mark Raymond](https://appshunter.io/developer/1093355084) | [Yuri Morozov](https://appshunter.io/developer/1582368813) |

## What reviewers say

### Progwhiz PDF Viewer

[App page](https://appshunter.io/ios/app/progwhiz-pdf-viewer/id1502711944)

**Features:** macOS Compatibility

**In-app purchases:** none


### GraphMath

[App page](https://appshunter.io/ios/app/graphmath/id1582680101)

This powerful graphing calculator visualizes complex mathematical functions in 2D and 3D. Explore Cartesian, cylindrical, and spherical coordinates with animated graphs and detailed tables of points. It offers features like derivatives, integrals, and intersections for comprehensive mathematical analysis.

**Highlights:** 3D graphing (Cartesian, Cylindrical, Spherical), 2D graphing (Cartesian, Polar, Parametric), Animated graphs, Detailed point tables, Derivative and integral calculations, Intersection point finding, Undo/redo functionality

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Progwhiz PDF Viewer free?

Progwhiz PDF Viewer is free to download, with no in-app purchases.

### Is GraphMath free?

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

### Do Progwhiz PDF Viewer or GraphMath have ads?

Neither Progwhiz PDF Viewer nor GraphMath shows ads.

### Which is updated more often, Progwhiz PDF Viewer or GraphMath?

Progwhiz PDF Viewer ships an update every 10 months, and GraphMath fortnightly. Most recently, Progwhiz PDF Viewer was updated on October 12, 2026 and GraphMath 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.*