# Shadow Notes vs Kawaii*Calc

The clearest difference is update cadence: Kawaii*Calc at monthly against Shadow Notes's every 2 months. Kawaii*Calc also leads on iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Shadow Notes sells 2 in-app purchases, starting at $0.99 per month and Kawaii*Calc sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Shadow Notes ships an update every 2 months, Kawaii*Calc monthly. The most recent releases landed on October 30, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Shadow Notes | Kawaii*Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/kawaiicalc-cute-calculator/id6759555566/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | — | Free with in-app purchases |
| Size | 44 MB | 71 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Karamanets Oleksandr](https://appshunter.io/developer/1713515588) | [Hiroyuki Ishikawa](https://appshunter.io/developer/1876490408) |

## What reviewers say

### Shadow Notes

[App page](https://appshunter.io/ios/app/shadow-notes/id6740258994)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | per month |
| Annually | $9.99 | per year |


### Kawaii*Calc

[App page](https://appshunter.io/ios/app/kawaiicalc-cute-calculator/id6759555566)

Personalize your phone's calculator with adorable themes and your own photos. Choose from a variety of aesthetic styles or add pictures of your favorite idols, pets, or characters to make math more fun.

**Highlights:** 45 aesthetic skins, Personalized photo frames, Basic arithmetic functions, Calculation history, Copy & paste support, Customizable UI elements

**Features:** Family Sharing, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lolita Skin Pack | $1.00 | one-time |
| Base Skin Pack | $1.99 | one-time |
| Fan Photo Frame Pack | $1.99 | one-time |


## Frequently asked questions

### Is Shadow Notes free?

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

### Is Kawaii*Calc free?

Kawaii*Calc is free to download, with in-app purchases available.

### Do Shadow Notes or Kawaii*Calc have ads?

Neither Shadow Notes nor Kawaii*Calc shows ads.

### Which is updated more often, Shadow Notes or Kawaii*Calc?

Shadow Notes ships an update every 2 months, and Kawaii*Calc monthly. Most recently, Shadow Notes was updated on October 30, 2026 and Kawaii*Calc on November 9, 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.*