# Clock Seconds vs Signature Notes

The clearest difference is in-app purchases: Signature Notes at none against Clock Seconds's 2. Clock Seconds's advantage is ads (none vs shown) and ratings volume (5 vs 1). On price, rating, update cadence and device support there is nothing between them.

Both are free to download. Clock Seconds sells 2 one-off in-app purchases. Signature Notes asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Clock Seconds against 5.0 for Signature Notes. That said, the two scores are not equally well evidenced: Clock Seconds has 5 ratings behind it against 1, so its average is the more settled of the two.

Clock Seconds ships an update every 4 weeks, Signature Notes every 5 weeks. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Clock Seconds | Signature Notes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (5 ratings)](https://appshunter.io/ios/app/clock-seconds/id6446502527/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/signature-notes/id6762539686/reviews) |
| Number of ratings | **5** | 1 |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 4 weeks** | Every 5 weeks |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 22 MB | 40 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [David Engler - Apps](https://appshunter.io/developer/1678138767) | [William Wilborn](https://appshunter.io/developer/1893476384) |

## What reviewers say

### Clock Seconds

[App page](https://appshunter.io/ios/app/clock-seconds/id6446502527)

A highly accurate and customizable digital clock that fills your screen. Offers adjustable colors, sizes, and 12/24 hour formats. Designed for minimal battery usage.

**Highlights:** Largest digital clock display, Accurate atomic time comparison, Customizable colors and dimensions, 12/24 hour format options, Minimal battery consumption design, Portrait mode settings access

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |
| Unlock | $9.99 | one-time |


### Signature Notes

[App page](https://appshunter.io/ios/app/signature-notes/id6762539686)

Capture ideas in various formats, from rich text and drawings to audio, video, and annotated images. Organize and share notes easily, and sharpen your mind with an integrated sliding puzzle game offering customizable challenges and modes.

**Highlights:** Multiple note types (rich text, drawing, multimedia, checklists, annotated images), Full-text search and filtering, Integrated sliding puzzle game, Customizable puzzle difficulty and modes, Custom themes and background music, Productivity and puzzle statistics tracking

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

**In-app purchases:** none


## Frequently asked questions

### Is Clock Seconds free?

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

### Is Signature Notes free?

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

### Which has better reviews, Clock Seconds or Signature Notes?

Clock Seconds and Signature Notes are both rated 5.0 out of 5 on the App Store, from 5 and 1 ratings respectively.

### Do Clock Seconds or Signature Notes have ads?

Signature Notes shows ads; Clock Seconds does not.

### Which is updated more often, Clock Seconds or Signature Notes?

Clock Seconds ships an update every 4 weeks, and Signature Notes every 5 weeks. Most recently, Clock Seconds was updated on October 27, 2026 and Signature Notes on October 24, 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.*