# GridMaker vs Extramile Preschool

The clearest difference is price: Extramile Preschool at Free against GridMaker's $0.99. Extramile Preschool also leads on in-app purchases (none vs 12) and update cadence (every 5 weeks vs every 3 months). GridMaker's advantage is chart position (#195 vs unranked). On ads, device support and iOS requirement there is nothing between them.

Extramile Preschool is free to download; GridMaker costs $0.99 up front. GridMaker sells 12 one-off in-app purchases. Extramile Preschool asks for nothing beyond the download.

GridMaker ships an update every 3 months, Extramile Preschool every 5 weeks. The most recent releases landed on October 12, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | GridMaker | Extramile Preschool |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[3.2 (41 ratings)](https://appshunter.io/ios/app/gridmaker/id1154310963/reviews)** | — |
| Number of ratings | **41** | — |
| Positive reviews | 52.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 weeks** |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#195** | — |
| Size | 130 MB | 99 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [NNN Software](https://appshunter.io/developer/906118789) | [Alok .](https://appshunter.io/developer/1462951236) |

## What reviewers say

### GridMaker

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

**Currently charting:** #195 Top Paid · Education (US App Store)

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


### Extramile Preschool

[App page](https://appshunter.io/ios/app/extramile-preschool/id6448436037)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is GridMaker free?

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

### Is Extramile Preschool free?

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

### Do GridMaker or Extramile Preschool have ads?

Neither GridMaker nor Extramile Preschool shows ads.

### Which is updated more often, GridMaker or Extramile Preschool?

GridMaker ships an update every 3 months, and Extramile Preschool every 5 weeks. Most recently, GridMaker was updated on October 12, 2026 and Extramile Preschool on September 24, 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.*