# knoself vs Sentinote

The clearest difference is update cadence: Sentinote at every 2 days against knoself's every 3 weeks. Sentinote also leads on iOS requirement (13.0 vs 16.6). knoself's advantage is device support (4 vs 2). On price, ads and in-app purchases there is nothing between them.

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

knoself ships an update every 3 weeks, Sentinote every 2 days. The most recent releases landed on October 15, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | knoself | Sentinote |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/knoself/id6757759183/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Monetization | Freemium | — |
| Size | 121 MB | 21 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [hu chundong](https://appshunter.io/developer/583622748) | [景翔 游](https://appshunter.io/developer/1896308394) |

## What reviewers say

### knoself

[App page](https://appshunter.io/ios/app/knoself/id6757759183)

Effortlessly track your time across work, study, and daily activities. Turn your efforts into detailed time cards with notes, tags, and photos for insightful review. Organize tasks with reminders and integrate with Apple Health for a holistic view of your day.

**Highlights:** Quick start timing from multiple widgets, Detailed time cards with notes and photos, Integrated reminders and calendar view, Multi-dimensional tagging for context, Apple Health data synchronization, Insightful review charts and AI reflection tools, Multi-device support with local-first storage

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Knoself Pro monthly subscription | $0.99 | per month |
| Knoself Pro yearly subscription | $5.99 | per year |
| Pro Lifetime Member | $14.99 | one-time |


### Sentinote

[App page](https://appshunter.io/ios/app/sentinote/id6766715934)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Trial Credit Pack | $0.99 | one-time |
| Standard Credit Pack | $3.99 | one-time |
| Value Credit Pack | $6.99 | one-time |


## Frequently asked questions

### Is knoself free?

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

### Is Sentinote free?

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

### Do knoself or Sentinote have ads?

Neither knoself nor Sentinote shows ads.

### Which is updated more often, knoself or Sentinote?

knoself ships an update every 3 weeks, and Sentinote every 2 days. Most recently, knoself was updated on October 15, 2026 and Sentinote on October 16, 2026.

---

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