# momo vs Grid Calculator.

The clearest difference is in-app purchases: momo at none against Grid Calculator.'s 2. momo also leads on update cadence (daily vs every 2 weeks). Grid Calculator.'s advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

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

momo ships an update daily, Grid Calculator. every 2 weeks. The most recent releases landed on October 30, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | momo | Grid Calculator. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/momo-calculator-pro/id6744653487/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Every 2 weeks |
| Monetization | Ad-supported | — |
| Size | 99 MB | 10 MB |
| Requires iOS | 17.5 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [雅楠 陈](https://appshunter.io/developer/1502399099) | [Hong Kong BLJ Cosmetics Limited](https://appshunter.io/developer/1680645623) |

## What reviewers say

### momo

[App page](https://appshunter.io/ios/app/momo-calculator-pro/id6744653487)

This app offers a comprehensive suite of calculation tools, including basic arithmetic, scientific computations, and extensive unit conversions. Its minimalist dark theme interface provides a distraction-free experience for users of all levels.

**Highlights:** Basic calculator functions, Advanced scientific calculations, Extensive unit conversions, Minimalist dark theme, Real-time calculation results, Ad-free experience

**Features:** macOS Compatibility

**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 momo free?

momo 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 momo or Grid Calculator. have ads?

momo shows ads; Grid Calculator. does not.

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

momo ships an update daily, and Grid Calculator. every 2 weeks. Most recently, momo was updated on October 30, 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.*