# Aqualist vs 外食カレンダー

The clearest difference is in-app purchases: 外食カレンダー at none against Aqualist's 2. 外食カレンダー also leads on update cadence (every 10 days vs monthly). Aqualist's advantage is iOS requirement (15.1 vs 18.2). On price, ads and device support there is nothing between them.

Both are free to download. Aqualist sells 2 in-app purchases, starting at $1.99 per month. 外食カレンダー asks for nothing beyond the download.

Aqualist ships an update monthly, 外食カレンダー every 10 days. The most recent releases landed on October 25, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Aqualist | 外食カレンダー |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 10 days** |
| Monetization | Freemium | — |
| Size | 33 MB | 7 MB |
| Requires iOS | **15.1** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Gaku Ishikawa](https://appshunter.io/developer/1682592991) | [YUDAI TERUI](https://appshunter.io/developer/1884842319) |

## What reviewers say

### Aqualist

[App page](https://appshunter.io/ios/app/aqualist/id6447771672)

Easily manage all aspects of your freshwater and saltwater aquariums. This app helps make your aquarium life more comfortable by tracking events and providing a centralized management system.

**Highlights:** Aquarium event management, Freshwater and saltwater support, Comfortable aquarium life, Event tracking, Centralized management

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro monthly plan | $1.99 | per month |
| Pro annually plan | $19.99 | per year |


### 外食カレンダー

[App page](https://appshunter.io/ios/app/id6762598281)

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

**In-app purchases:** none


## Frequently asked questions

### Is Aqualist free?

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

### Is 外食カレンダー free?

外食カレンダー is free to download, with no in-app purchases.

### Do Aqualist or 外食カレンダー have ads?

Neither Aqualist nor 外食カレンダー shows ads.

### Which is updated more often, Aqualist or 外食カレンダー?

Aqualist ships an update monthly, and 外食カレンダー every 10 days. Most recently, Aqualist was updated on October 25, 2026 and 外食カレンダー 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.*