# バイク メンテナンス・日記 vs Aqualist

The clearest difference is in-app purchases: バイク メンテナンス・日記 at none against Aqualist's 2. Aqualist's advantage is ads (none vs shown) and review sentiment (67% vs 40%). On price there is nothing between them.

Both are free to download. Aqualist sells 2 in-app purchases, starting at $1.99 per month. バイク メンテナンス・日記 asks for nothing beyond the download.

バイク メンテナンス・日記 ships an update every 5 months, Aqualist monthly. The most recent releases landed on October 29, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | バイク メンテナンス・日記 | Aqualist |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 40.0% of reviews | **66.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Monthly** |
| Monetization | **Ad-supported** | Freemium |
| Size | 34 MB | 33 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Green Speed Inc.](https://appshunter.io/developer/1504671073) | [Gaku Ishikawa](https://appshunter.io/developer/1682592991) |

## What reviewers say

### バイク メンテナンス・日記

[App page](https://appshunter.io/ios/app/id1405913144)

Record motorcycle maintenance and touring logs. Track expenses, manage multiple bikes, and view your history on a timeline. Includes GPS location saving for rides.

**Highlights:** Maintenance recording, Customizable maintenance items, Diary categorization, Expense aggregation, Multi-bike management, GPS location logging

**Features:** Vision Pro support

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is バイク メンテナンス・日記 free?

バイク メンテナンス・日記 is free to download, with no in-app purchases.

### Is Aqualist free?

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

### Do バイク メンテナンス・日記 or Aqualist have ads?

バイク メンテナンス・日記 shows ads; Aqualist does not.

### Which is updated more often, バイク メンテナンス・日記 or Aqualist?

バイク メンテナンス・日記 ships an update every 5 months, and Aqualist monthly. Most recently, バイク メンテナンス・日記 was updated on October 29, 2026 and Aqualist on October 25, 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.*