# FirstSeed Notes vs Abyssal（アビサル）

The clearest difference is review sentiment: FirstSeed Notes at 76% against Abyssal（アビサル）'s 0%. FirstSeed Notes also leads on ads (none vs shown) and update cadence (fortnightly vs every 2 months). Abyssal（アビサル）'s advantage is iOS requirement (13.0 vs 26.0). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. FirstSeed Notes sells 5 in-app purchases, starting at $2.99 per month and Abyssal（アビサル） sells 1 in-app purchase, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

FirstSeed Notes ships an update fortnightly, Abyssal（アビサル） every 2 months. Both last shipped on October 31, 2026.

## The numbers

| Metric | FirstSeed Notes | Abyssal（アビサル） |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/firstseed-notes/id6757331297/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | **76.5% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Freemium | Free with in-app purchases |
| Size | 116 MB | 262 MB |
| Requires iOS | 26.0 | **13.0** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [FirstSeed Inc](https://appshunter.io/developer/1321260277) | [Ryutaro Nakano](https://appshunter.io/developer/1883662154) |

## What reviewers say

### FirstSeed Notes

[App page](https://appshunter.io/ios/app/firstseed-notes/id6757331297)

Capture, organize, and refine your thoughts with a beautifully designed note-taking app. Supports Markdown, task management, and transcription to create summaries and meeting minutes. Syncs across devices and offers customization options.

**Highlights:** Markdown-supported note creation and editing, Task management with ToDo lists, Highlighting important sentences, Recording and transcription capabilities, Note categorization with tags, Cross-device syncing via iCloud, Customizable font size and line spacing

**Features:** iPhone Duo support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Personal Monthly | $2.99 | per month |
| Team Monthly | $9.99 | per month |
| Personal Yearly | $26.99 | per year |
| Team Yearly | $95.99 | per year |
| Lifetime | $49.99 | one-time |


### Abyssal（アビサル）

[App page](https://appshunter.io/ios/app/abyssal/id6762500732)

This app transforms focused work sessions into a deep-sea diving adventure. As you concentrate, you descend into the ocean, encountering marine life and building a personal aquarium. It encourages consistent focus without pressure, visualizing your progress through detailed statistics and a growing collection of discovered sea creatures.

**Highlights:** Deep-sea diving visualization for focus sessions, Encounter and collect unique marine life, Personalized aquarium to display creatures, Non-punitive design for sustained focus, Discover and catalog over 30 sea creatures, Weekly statistics and streak tracking, Multiple timer modes including Pomodoro

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Abyssal Premium Monthly | $1.99 | per month |


## Frequently asked questions

### Is FirstSeed Notes free?

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

### Is Abyssal（アビサル） free?

Abyssal（アビサル） is free to download, with in-app purchases available.

### Do FirstSeed Notes or Abyssal（アビサル） have ads?

Abyssal（アビサル） shows ads; FirstSeed Notes does not.

### Which is updated more often, FirstSeed Notes or Abyssal（アビサル）?

FirstSeed Notes ships an update fortnightly, and Abyssal（アビサル） every 2 months. Most recently, FirstSeed Notes was updated on October 31, 2026 and Abyssal（アビサル） 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.*