# 機械保全1級 機械系 合格ドリル vs Fish & Count

The clearest difference is update cadence: Fish & Count at every 6 days against 機械保全1級 機械系 合格ドリル's fortnightly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 機械保全1級 機械系 合格ドリル sells 1 one-off in-app purchase and Fish & Count sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

機械保全1級 機械系 合格ドリル ships an update fortnightly, Fish & Count every 6 days. The most recent releases landed on November 8, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | 機械保全1級 機械系 合格ドリル | Fish & Count |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 6 days** |
| Size | 8 MB | 228 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Shunya Iwasaki](https://appshunter.io/developer/1796095304) | [kiyotaka takanishi](https://appshunter.io/developer/6777109286) |

## What reviewers say

### 機械保全1級 機械系 合格ドリル

[App page](https://appshunter.io/ios/app/1/id6797353044)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアム（全機能解放・買い切り） | $14.99 | one-time |


### Fish & Count

[App page](https://appshunter.io/ios/app/fish-and-count-toddler-numbers/id6800191114)

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Royal Outfit Pack | $1.99 | one-time |
| Captain Outfit Pack | $1.99 | one-time |
| Adventure Seas Pack | $3.99 | one-time |
| Dream Seas Pack | $3.99 | one-time |
| Wonder Seas Pack | $3.99 | one-time |


## Frequently asked questions

### Is 機械保全1級 機械系 合格ドリル free?

機械保全1級 機械系 合格ドリル is free to download, with in-app purchases available.

### Is Fish & Count free?

Fish & Count is free to download, with in-app purchases available.

### Do 機械保全1級 機械系 合格ドリル or Fish & Count have ads?

Neither 機械保全1級 機械系 合格ドリル nor Fish & Count shows ads.

### Which is updated more often, 機械保全1級 機械系 合格ドリル or Fish & Count?

機械保全1級 機械系 合格ドリル ships an update fortnightly, and Fish & Count every 6 days. Most recently, 機械保全1級 機械系 合格ドリル was updated on November 8, 2026 and Fish & Count on November 5, 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.*