# Meowulator vs NibbleCalc

The clearest difference is in-app purchases: Meowulator at none against NibbleCalc's 1. Meowulator also leads on update cadence (every 9 days vs every 2 months). NibbleCalc's advantage is iOS requirement (18.0 vs 26.4). On price, ads and device support there is nothing between them.

Both are free to download. NibbleCalc sells 1 one-off in-app purchase. Meowulator asks for nothing beyond the download.

Meowulator ships an update every 9 days, NibbleCalc every 2 months. The most recent releases landed on October 8, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Meowulator | NibbleCalc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 2 months |
| Size | 31 MB | 4 MB |
| Requires iOS | 26.4 | **18.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Shanghai Runesmith Artificial Intelligence Technology Co., Ltd.](https://appshunter.io/developer/1872991929) | [LiChuan Lin](https://appshunter.io/developer/1895785594) |

## What reviewers say

### Meowulator

[App page](https://appshunter.io/ios/app/meowulator/id6763520818)

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

**In-app purchases:** none


### NibbleCalc

[App page](https://appshunter.io/ios/app/nibblecalc-dev-calculator/id6765700593)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


## Frequently asked questions

### Is Meowulator free?

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

### Is NibbleCalc free?

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

### Do Meowulator or NibbleCalc have ads?

Neither Meowulator nor NibbleCalc shows ads.

### Which is updated more often, Meowulator or NibbleCalc?

Meowulator ships an update every 9 days, and NibbleCalc every 2 months. Most recently, Meowulator was updated on October 8, 2026 and NibbleCalc on October 10, 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.*