# Fractal Catalog vs 自主保全士 単語帳 1級/2級

The clearest difference is update cadence: 自主保全士 単語帳 1級/2級 at every 3 days against Fractal Catalog's every 10 months. 自主保全士 単語帳 1級/2級 also leads on price ($1.99 vs $2.99) and iOS requirement (11.0 vs 15.6). On ads, in-app purchases and device support there is nothing between them.

Fractal Catalog costs $2.99 and 自主保全士 単語帳 1級/2級 $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Fractal Catalog ships an update every 10 months, 自主保全士 単語帳 1級/2級 every 3 days. The most recent releases landed on October 9, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Fractal Catalog | 自主保全士 単語帳 1級/2級 |
| --- | --- | --- |
| Price | $2.99 | **$1.99** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 3 days** |
| Monetization | — | Paid |
| Size | 4 MB | 26 MB |
| Requires iOS | 15.6 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yasuyoshi Ota](https://appshunter.io/developer/1500357652) | [株式会社キイロ乃カモ](https://appshunter.io/developer/1796537168) |

## What reviewers say

### Fractal Catalog

[App page](https://appshunter.io/ios/app/fractal-catalog/id1529064801)

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

**In-app purchases:** none


### 自主保全士 単語帳 1級/2級

[App page](https://appshunter.io/ios/app/12/id6468481523)

This app serves as a vocabulary builder for the Jishu Hozen Shi certification exam (levels 1 and 2). It offers an ad-free, offline study experience with key terms and a quiz mode to test comprehension. It is updated to the latest official text.

**Highlights:** Ad-free experience, Offline study capability, Key vocabulary for certification, Quiz mode for comprehension check, Updated to latest official text

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

**In-app purchases:** none


## Frequently asked questions

### Is Fractal Catalog free?

Fractal Catalog costs $2.99, with no in-app purchases.

### Is 自主保全士 単語帳 1級/2級 free?

自主保全士 単語帳 1級/2級 costs $1.99, with no in-app purchases.

### Do Fractal Catalog or 自主保全士 単語帳 1級/2級 have ads?

Neither Fractal Catalog nor 自主保全士 単語帳 1級/2級 shows ads.

### Which is updated more often, Fractal Catalog or 自主保全士 単語帳 1級/2級?

Fractal Catalog ships an update every 10 months, and 自主保全士 単語帳 1級/2級 every 3 days. Most recently, Fractal Catalog was updated on October 9, 2026 and 自主保全士 単語帳 1級/2級 on October 8, 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.*