# Stickon vs 集中力タイマー

The clearest difference is in-app purchases: 集中力タイマー at none against Stickon's 10. 集中力タイマー also leads on ads (none vs shown). Stickon's advantage is iOS requirement (17.0 vs 26.1). On price, update cadence and device support there is nothing between them.

Both are free to download. Stickon sells 10 one-off in-app purchases. 集中力タイマー asks for nothing beyond the download.

Stickon ships an update every 5 days, 集中力タイマー every 8 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | Stickon | 集中力タイマー |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 5 days** | Every 8 days |
| Monetization | Free with in-app purchases | — |
| Size | 46 MB | 3 MB |
| Requires iOS | **17.0** | 26.1 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Funnyeve](https://appshunter.io/developer/1149897411) | [Koki Komatsu](https://appshunter.io/developer/1796307607) |

## What reviewers say

### Stickon

[App page](https://appshunter.io/ios/app/stickon-lock-screen-notes/id6774531313)

Keep essential information visible on your Lock Screen without overwhelming notifications. Quickly add notes, to-dos, and reminders that you can't afford to forget, and check them off as completed. Ideal for those who find complex productivity apps too much.

**Highlights:** Pin notes to Lock Screen, Instant Lock Screen display without widgets, Home and Lock Screen widgets, Mark notes as completed, View completed note history, Capture moments with photos and stickers

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Little Memo Workers | $1.99 | one-time |
| A Soft Little Day | $1.99 | one-time |
| Shapes of a Feeling | $1.99 | one-time |
| Pencil Stroll | $1.99 | one-time |
| Under the Covers | $1.99 | one-time |
| Little Office Buddy | $1.99 | one-time |
| Kongkong’s Day | $1.99 | one-time |
| Yuzu Capybara | $1.99 | one-time |
| Fruit Feelings | $1.99 | one-time |
| Quiet Botanicals | $1.99 | one-time |


### 集中力タイマー

[App page](https://appshunter.io/ios/app/id6796582976)

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

**In-app purchases:** none


## Frequently asked questions

### Is Stickon free?

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

### Is 集中力タイマー free?

集中力タイマー is free to download, with no in-app purchases.

### Do Stickon or 集中力タイマー have ads?

Stickon shows ads; 集中力タイマー does not.

### Which is updated more often, Stickon or 集中力タイマー?

Stickon ships an update every 5 days, and 集中力タイマー every 8 days. Most recently, Stickon was updated on October 31, 2026 and 集中力タイマー on October 31, 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.*