# NekoAlarm vs Customizable calculator

The clearest difference is in-app purchases: Customizable calculator at none against NekoAlarm's 1. Customizable calculator also leads on update cadence (every 2 days vs every 49 months) and iOS requirement (13.0 vs 18.2). NekoAlarm's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. NekoAlarm sells 1 one-off in-app purchase. Customizable calculator asks for nothing beyond the download.

NekoAlarm ships an update every 49 months, Customizable calculator every 2 days. The most recent releases landed on October 23, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | NekoAlarm | Customizable calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/nekoalarm/id548627524/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 49 months | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 55 MB | 202 MB |
| Requires iOS | 18.2 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [convex corporation ,ltd.](https://appshunter.io/developer/548572840) | [Hisashi Yoshizawa](https://appshunter.io/developer/1770019728) |

## What reviewers say

### NekoAlarm

[App page](https://appshunter.io/ios/app/nekoalarm/id548627524)

This utility app uses cute cat meows to notify you at set times. It's perfect for waking up, taking breaks, or enjoying "nyanko time." Interact with the character to manage alarms and access additional sounds and wallpapers.

**Highlights:** Cat meow alarm sounds, Customizable wallpapers, Set alarms even when app is closed, Interactive ON/OFF control, Background notification support

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Selectable Voice | $0.99 | one-time |


### Customizable calculator

[App page](https://appshunter.io/ios/app/customizable-calculator/id6740001661)

**In-app purchases:** none


## Frequently asked questions

### Is NekoAlarm free?

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

### Is Customizable calculator free?

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

### Do NekoAlarm or Customizable calculator have ads?

Customizable calculator shows ads; NekoAlarm does not.

### Which is updated more often, NekoAlarm or Customizable calculator?

NekoAlarm ships an update every 49 months, and Customizable calculator every 2 days. Most recently, NekoAlarm was updated on October 23, 2026 and Customizable calculator on October 25, 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.*