# 3X Calculator vs Grid Calculator.

The clearest difference is in-app purchases: 3X Calculator at none against Grid Calculator.'s 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Grid Calculator. sells 2 in-app purchases, starting at $9.99 per 7 days. 3X Calculator asks for nothing beyond the download.

3X Calculator ships an update weekly, Grid Calculator. every 2 weeks. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | 3X Calculator | Grid Calculator. |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Size | 25 MB | 10 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [kuo ching liew](https://appshunter.io/developer/949386569) | [Hong Kong BLJ Cosmetics Limited](https://appshunter.io/developer/1680645623) |

## What reviewers say

### 3X Calculator

[App page](https://appshunter.io/ios/app/3x-calculator/id1618526178)

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

**In-app purchases:** none


### Grid Calculator.

[App page](https://appshunter.io/ios/app/grid-calculator/id6757141903)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Gold | $9.99 | per 7 days |
| Yearly Gold | $39.99 | per year |


## Frequently asked questions

### Is 3X Calculator free?

3X Calculator is free to download, with no in-app purchases.

### Is Grid Calculator. free?

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

### Do 3X Calculator or Grid Calculator. have ads?

Neither 3X Calculator nor Grid Calculator. shows ads.

### Which is updated more often, 3X Calculator or Grid Calculator.?

3X Calculator ships an update weekly, and Grid Calculator. every 2 weeks. Most recently, 3X Calculator was updated on November 3, 2026 and Grid Calculator. on November 7, 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.*