# Plan Note vs Cosmos

The clearest difference is in-app purchases: Cosmos at none against Plan Note's 1. Cosmos also leads on ads (none vs shown) and update cadence (every 10 days vs every 2 months). Plan Note's advantage is iOS requirement (15.6 vs 17.0). On price and device support there is nothing between them.

Both are free to download. Plan Note sells 1 one-off in-app purchase. Cosmos asks for nothing beyond the download.

Plan Note ships an update every 2 months, Cosmos every 10 days. The most recent releases landed on October 2, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Plan Note | Cosmos |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/plan-note-daily-todoplanner/id6743675868/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 10 days** |
| Monetization | Free with in-app purchases | — |
| Size | 7 MB | 30 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [HUJIN SHIN](https://appshunter.io/developer/1516817833) | [YoungSeo Yun](https://appshunter.io/developer/1827154411) |

## What reviewers say

### Plan Note

[App page](https://appshunter.io/ios/app/plan-note-daily-todoplanner/id6743675868)

Organize your day with notes, to-do lists, mood tracking, and water intake logs. Reflect on your progress with daily and weekly statistics. Customize your experience with various themes.

**Highlights:** Notes and summary recording, Mood and water intake tracking, To-do list management, Daily and weekly statistics, Customizable themes

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


### Cosmos

[App page](https://appshunter.io/ios/app/cosmos/id6749366368)

**In-app purchases:** none


## Frequently asked questions

### Is Plan Note free?

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

### Is Cosmos free?

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

### Do Plan Note or Cosmos have ads?

Plan Note shows ads; Cosmos does not.

### Which is updated more often, Plan Note or Cosmos?

Plan Note ships an update every 2 months, and Cosmos every 10 days. Most recently, Plan Note was updated on October 2, 2026 and Cosmos on September 30, 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.*