# シフト管理アプリ CAST vs Abyssal（アビサル）

The clearest difference is review sentiment: シフト管理アプリ CAST at 66% against Abyssal（アビサル）'s 0%. シフト管理アプリ CAST also leads on in-app purchases (none vs 1) and ads (none vs shown). Abyssal（アビサル）'s advantage is device support (3 vs 1) and iOS requirement (13.0 vs 16.0). On price there is nothing between them.

Both are free to download. Abyssal（アビサル） sells 1 in-app purchase, starting at $1.99 per month. シフト管理アプリ CAST asks for nothing beyond the download.

シフト管理アプリ CAST ships an update fortnightly, Abyssal（アビサル） every 2 months. The most recent releases landed on October 16, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | シフト管理アプリ CAST | Abyssal（アビサル） |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cast/id1314320276/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | **66.0% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 45 MB | 262 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Cookbiz Co.,Ltd.](https://appshunter.io/developer/857769899) | [Ryutaro Nakano](https://appshunter.io/developer/1883662154) |

## What reviewers say

### シフト管理アプリ CAST

[App page](https://appshunter.io/ios/app/cast/id1314320276)

This app simplifies staff scheduling and payroll calculation. It offers a centralized platform for managing employee shifts, creating schedules, and automatically calculating wages. Ideal for both employees and managers, it streamlines communication and financial tracking.

**Highlights:** Staff scheduling management, Payroll calculation, Calendar synchronization, Shift adjustment tools, Automated shift requests, Dedicated chat function

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

**In-app purchases:** none


### 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 シフト管理アプリ CAST free?

シフト管理アプリ CAST is free to download, with no in-app purchases.

### Is Abyssal（アビサル） free?

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

### Do シフト管理アプリ CAST or Abyssal（アビサル） have ads?

Abyssal（アビサル） shows ads; シフト管理アプリ CAST does not.

### Which is updated more often, シフト管理アプリ CAST or Abyssal（アビサル）?

シフト管理アプリ CAST ships an update fortnightly, and Abyssal（アビサル） every 2 months. Most recently, シフト管理アプリ CAST was updated on October 16, 2026 and Abyssal（アビサル） on October 9, 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.*