# KumamonCalc vs Lunadar

The clearest difference is in-app purchases: Lunadar at none against KumamonCalc's 1. Lunadar also leads on ads (none vs shown) and update cadence (daily vs every 3 months). KumamonCalc's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 17.0). On price, rating and ratings volume there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for KumamonCalc against 5.0 for Lunadar. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

KumamonCalc ships an update every 3 months, Lunadar daily. The most recent releases landed on October 23, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | KumamonCalc | Lunadar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/kumamoncalc/id830364492/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/lunadar/id6535689141/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Daily** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 50 MB | 3 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [woodsmall inc.](https://appshunter.io/developer/708077492) | [Huy Ta](https://appshunter.io/developer/1756934665) |

## What reviewers say

### KumamonCalc

[App page](https://appshunter.io/ios/app/kumamoncalc/id830364492)

A straightforward calculator featuring the popular Kumamon character. It supports basic arithmetic, percentage calculations, and memory functions. Users can customize themes and toggle sound effects.

**Highlights:** Basic arithmetic operations, Percentage calculation, Memory function, Customizable themes, Sound ON/OFF option, 12-digit input support

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Advertising hide | $4.99 | one-time |


### Lunadar

[App page](https://appshunter.io/ios/app/lunadar/id6535689141)

Explore and manage time using a lunar calendar with this intuitive app. It offers detailed lunar date information, including month lengths, and allows for easy event management based on lunar cycles. Experience a unique approach to timekeeping on your iOS device.

**Highlights:** Lunar calendar exploration, Detailed lunar date information, Lunar month length display, Event management based on lunar cycle, Intuitive user interface

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is KumamonCalc free?

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

### Is Lunadar free?

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

### Which has better reviews, KumamonCalc or Lunadar?

KumamonCalc and Lunadar are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do KumamonCalc or Lunadar have ads?

KumamonCalc shows ads; Lunadar does not.

### Which is updated more often, KumamonCalc or Lunadar?

KumamonCalc ships an update every 3 months, and Lunadar daily. Most recently, KumamonCalc was updated on October 23, 2026 and Lunadar on October 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*