# KairoProject vs DulyNote

The clearest difference is update cadence: KairoProject at every 5 days against DulyNote's every 5 weeks. DulyNote's advantage is iOS requirement (15.0 vs 18.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. KairoProject sells 2 in-app purchases, starting at $8.99 per month and DulyNote sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

KairoProject ships an update every 5 days, DulyNote every 5 weeks. The most recent releases landed on October 6, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | KairoProject | DulyNote |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/dulynote-private-notes-links/id6757130041/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 5 weeks |
| Monetization | — | Freemium |
| Size | 27 MB | 44 MB |
| Requires iOS | 18.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Matthieu Guillon](https://appshunter.io/developer/1789846223) | [AnyFyn Inc.](https://appshunter.io/developer/1864762170) |

## What reviewers say

### KairoProject

[App page](https://appshunter.io/ios/app/kairoproject/id6748902716)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium monthly subscription | $8.99 | per month |
| Premium Annual subscription | $89.99 | per year |


### DulyNote

[App page](https://appshunter.io/ios/app/dulynote-private-notes-links/id6757130041)

This app provides a secure, private space to store links, notes, photos, and files offline. Organize your saved content with tags and collections, and keep personal and work information separate. Enjoy peace of mind with no tracking or ads.

**Highlights:** Save links as cards from any app, Write and color-code notes, Store photos, videos, PDFs, and voice memos, Organize with tags, collections, and search, Separate profiles for personal and work, Offline access and no tracking, App Lock with biometric authentication (Pro)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DulyNote PRO | $9.99 | one-time |


## Frequently asked questions

### Is KairoProject free?

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

### Is DulyNote free?

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

### Do KairoProject or DulyNote have ads?

Neither KairoProject nor DulyNote shows ads.

### Which is updated more often, KairoProject or DulyNote?

KairoProject ships an update every 5 days, and DulyNote every 5 weeks. Most recently, KairoProject was updated on October 6, 2026 and DulyNote 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.*