# Pitagorín! vs GridMaker

The clearest difference is rating: Pitagorín! at 5.0 against GridMaker's 3.2. Pitagorín! also leads on in-app purchases (none vs 12) and review sentiment (67% vs 52%). GridMaker's advantage is update cadence (every 3 months vs every 19 months) and ratings volume (41 vs 1). On price and ads there is nothing between them.

Pitagorín! costs $0.99 and GridMaker $0.99 up front. GridMaker sells 12 one-off in-app purchases. Pitagorín! asks for nothing beyond the download.

Pitagorín! holds the better App Store score, 5.0 against 3.2. That said, the two scores are not equally well evidenced: GridMaker has 41 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 67% of Pitagorín!'s written reviews are positive against 52% of GridMaker's.

Pitagorín! ships an update every 19 months, GridMaker every 3 months. The most recent releases landed on October 10, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Pitagorín! | GridMaker |
| --- | --- | --- |
| Price | $0.99 | $0.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pitagorin/id347664740/reviews)** | [3.2 (41 ratings)](https://appshunter.io/ios/app/gridmaker/id1154310963/reviews) |
| Number of ratings | 1 | **41** |
| Positive reviews | **66.7% of reviews** | 52.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 3 months** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 2 MB | 130 MB |
| Requires iOS | 16.4 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ivan Cabezon Orjales](https://appshunter.io/developer/347664743) | [NNN Software](https://appshunter.io/developer/906118789) |

## What reviewers say

### Pitagorín!

[App page](https://appshunter.io/ios/app/pitagorin/id347664740)

This app assists with mathematical calculations, specifically the Pythagorean theorem and the rule of three. It has been rebuilt from the ground up for improved functionality.

**Highlights:** Pythagorean theorem calculation, Rule of three calculation, Rebuilt from scratch, Educational tool

**Features:** macOS Compatibility

**In-app purchases:** none


### GridMaker

[App page](https://appshunter.io/ios/app/gridmaker/id1154310963)

Create precise grids for various purposes, including crafting and art. Features include customizable line colors, labeling, and image placement for analysis. Export grids as PNG, PDF, or SVG.

**Highlights:** Customizable grid and dot patterns, Adjustable line weights and colors, Row and column labeling, Image placement for analysis, Paint tool with custom palettes, Export as PNG, PDF, SVG

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

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hexagon Graph Paper | $0.99 | one-time |
| Log Graph Paper | $0.99 | one-time |
| Polar Graph Paper | $0.99 | one-time |
| Ancestry Graph Paper | $0.99 | one-time |
| Brick Graph Paper | $0.99 | one-time |
| Spider Graph Paper | $0.99 | one-time |
| Sheet Music Paper | $0.99 | one-time |
| Triangle Graph Paper | $0.99 | one-time |
| Purchase Credit | $0.99 | one-time |
| Purchase Credit | $2.99 | one-time |
| Purchase Credit | $3.99 | one-time |
| Purchase Credit | $4.99 | one-time |

**What reviewers like**

- 👍 Simple and easy to use
- 💡 Flexible grid customization
- 🎨 Good color options
- 🖨️ Printable output
- 🖼️ Import image feature

**What reviewers complain about**

- 🐛 Cannot draw/erase lines easily
- 🤔 Non-intuitive interface
- 📉 Poor image quality on upload
- 🚫 Limited editing features
- 💸 In-app purchases for basic features

**Reported bugs**

- Cannot erase lines
- Cannot undo basic writing/lines
- Restart needed after drawing unintended line
- Green grid stays on projects
- Text centering not working

**Requested features**

- Select and colorize cells/columns/grids
- Copy feature
- Modify individual rows (horizontally and vertically)
- Substitute colors in imported pictures
- Undo/erase functionality for lines


## Frequently asked questions

### Is Pitagorín! free?

Pitagorín! costs $0.99, with no in-app purchases.

### Is GridMaker free?

GridMaker costs $0.99, and also offers in-app purchases.

### Which has better reviews, Pitagorín! or GridMaker?

Pitagorín! is rated higher. Pitagorín! averages 5.0 out of 5 from 1 ratings, while GridMaker averages 3.2 from 41 ratings.

### Do Pitagorín! or GridMaker have ads?

Neither Pitagorín! nor GridMaker shows ads.

### Which is updated more often, Pitagorín! or GridMaker?

Pitagorín! ships an update every 19 months, and GridMaker every 3 months. Most recently, Pitagorín! was updated on October 10, 2026 and GridMaker on October 16, 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.*