# Time Flies By vs Knowto

The clearest difference is iOS requirement: Knowto at 17.0 against Time Flies By's 26.0. On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Time Flies By sells 3 in-app purchases, starting at $0.99 per month and Knowto sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Time Flies By against 5.0 for Knowto. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Time Flies By ships an update weekly, Knowto every 10 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Time Flies By | Knowto |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/time-flies-by/id6756827059/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/knowto-instant-note-taking/id6798763650/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 10 days |
| Monetization | Freemium | Freemium |
| Size | 4 MB | 5 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Kai Luo](https://appshunter.io/developer/344176636) | [Lumik LLC](https://appshunter.io/developer/1860645804) |

## What reviewers say

### Time Flies By

[App page](https://appshunter.io/ios/app/time-flies-by/id6756827059)

Understand how you spend your time with a count-up tracker that runs multiple events simultaneously. Analyze your weekly habits with detailed breakdowns and spot trends over time. Stay focused with anti-sleep mode and access live updates via Dynamic Island.

**Highlights:** Simultaneous count-up time tracking, Tagging for context, Weekly analytics and trend comparison, Live Activity and Dynamic Island integration, iCloud sync across devices, Anti-sleep mode for focus

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $0.99 | per month |
| Premium Yearly | $4.99 | per year |
| Premium Lifetime | $14.99 | one-time |


### Knowto

[App page](https://appshunter.io/ios/app/knowto-instant-note-taking/id6798763650)

Capture ideas instantly with a fast, local-first note-taking app. Organize thoughts naturally with threads, tags, and attachments. Access your notes offline with optional cloud sync.

**Highlights:** Always-ready composer, Build on thoughts with threads, Search and filter notes, Attach photos and resources, Local-first storage, Background sync across devices

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Knowto Plus Monthly | $0.99 | per month |
| Knowto Plus Yearly | $9.99 | per year |


## Frequently asked questions

### Is Time Flies By free?

Time Flies By is free to download, with in-app purchases available.

### Is Knowto free?

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

### Which has better reviews, Time Flies By or Knowto?

Time Flies By and Knowto are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Time Flies By or Knowto have ads?

Neither Time Flies By nor Knowto shows ads.

### Which is updated more often, Time Flies By or Knowto?

Time Flies By ships an update weekly, and Knowto every 10 days. Most recently, Time Flies By was updated on October 30, 2026 and Knowto 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.*