# Clastly vs ObsiKO

The clearest difference is update cadence: ObsiKO at every 6 days against Clastly's fortnightly. ObsiKO also leads on device support (4 vs 2) and iOS requirement (15.1 vs 26.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Clastly ships an update fortnightly, ObsiKO every 6 days. The most recent releases landed on October 6, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Clastly | ObsiKO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/clastly-personal-database/id6757971144/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 6 days** |
| Monetization | Free | — |
| Size | 10 MB | 75 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Soji Takahashi](https://appshunter.io/developer/1556419842) | [Hyojin Kim](https://appshunter.io/developer/6783405453) |

## What reviewers say

### Clastly

[App page](https://appshunter.io/ios/app/clastly-personal-database/id6757971144)

Organize anything with custom collections and powerful field types. Track reading lists, travel memories, subscriptions, and more. Your data syncs securely via iCloud with a clean, native iOS interface.

**Highlights:** Customizable collections, Multiple field types, Pre-built templates, Data filtering, iCloud sync, Ad-free experience

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

**In-app purchases:** none


### ObsiKO

[App page](https://appshunter.io/ios/app/obsiko-ai-note-plus-mindmap/id6783405451)

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

**In-app purchases:** none


## Frequently asked questions

### Is Clastly free?

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

### Is ObsiKO free?

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

### Do Clastly or ObsiKO have ads?

Neither Clastly nor ObsiKO shows ads.

### Which is updated more often, Clastly or ObsiKO?

Clastly ships an update fortnightly, and ObsiKO every 6 days. Most recently, Clastly was updated on October 6, 2026 and ObsiKO on October 10, 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.*