# PopNotes vs Kinen Cal

The clearest difference is ads: Kinen Cal at none against PopNotes's shown. Kinen Cal also leads on update cadence (weekly vs every 4 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. PopNotes sells 10 one-off in-app purchases and Kinen Cal sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

PopNotes ships an update every 4 months, Kinen Cal weekly. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | PopNotes | Kinen Cal |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | Free | — |
| Size | 56 MB | 13 MB |
| Requires iOS | **15.5** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hayble](https://appshunter.io/developer/1829451434) | [Takayuki Saikawa](https://appshunter.io/developer/1886448145) |

## What reviewers say

### PopNotes

[App page](https://appshunter.io/ios/app/popnotes-diary-and-widget-memo/id6759220208)

Quickly capture thoughts and ideas with instant access from your Lock Screen or Home Screen widgets. Organize notes into customizable emoji folders for a fast and efficient way to manage your information.

**Highlights:** Lock Screen and Home Screen widgets, Instant note capture, Customizable emoji folders, Organized idea management, Minimalist interface

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| K-Heritage Stickers | $0.99 | one-time |
| Rainbow Drops Pack | $1.99 | one-time |
| First Love Pack | $1.99 | one-time |
| Hidden Fortune Pack | $1.99 | one-time |
| Mongle Cloud Pack | $1.99 | one-time |
| Butter Gingham Pack | $1.99 | one-time |
| Lace & Ribbon Pack | $1.99 | one-time |
| Starlight Post Pack | $1.99 | one-time |
| Jelly Pop Pack | $1.99 | one-time |
| Cherry Letter Pack | $1.99 | one-time |


### Kinen Cal

[App page](https://appshunter.io/ios/app/kinen-cal/id6760833656)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kinen Cal Premium 月額 | $1.99 | per month |
| Kinen Cal Premium 年額 | $19.99 | per year |


## Frequently asked questions

### Is PopNotes free?

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

### Is Kinen Cal free?

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

### Do PopNotes or Kinen Cal have ads?

PopNotes shows ads; Kinen Cal does not.

### Which is updated more often, PopNotes or Kinen Cal?

PopNotes ships an update every 4 months, and Kinen Cal weekly. Most recently, PopNotes was updated on October 24, 2026 and Kinen Cal 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.*