# correctPlus vs Fish doom

The clearest difference is in-app purchases: correctPlus at none against Fish doom's 4. Fish doom's advantage is ads (none vs shown) and update cadence (every 6 weeks vs every 7 months). On price and device support there is nothing between them.

Both are free to download. Fish doom sells 4 one-off in-app purchases. correctPlus asks for nothing beyond the download.

correctPlus ships an update every 7 months, Fish doom every 6 weeks. The most recent releases landed on October 11, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | correctPlus | Fish doom |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/fish-doom-fishing-diary-games/id1506763210/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 7 months | **Every 6 weeks** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 10 MB | 189 MB |
| Requires iOS | 17.6 | **10.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [hiromu izuwa](https://appshunter.io/developer/599721911) | [ICT Mind Solutions](https://appshunter.io/developer/1332330983) |

## What reviewers say

### correctPlus

[App page](https://appshunter.io/ios/app/correctplus/id718264772)

This app provides a wide variety of sound effects for Japanese language lessons and conversation practice. It's designed to be useful for educators and learners in various fun situations beyond the classroom.

**Highlights:** Sound effects for class activities, Conversation practice sounds, Wide variety of sounds, Useful in fun situations, Designed for Japanese teachers

**Features:** macOS Compatibility

**In-app purchases:** none


### Fish doom

[App page](https://appshunter.io/ios/app/fish-doom-fishing-diary-games/id1506763210)

Engage in an underwater shooting adventure where you aim to catch a variety of fish, from common species to legendary creatures. Earn coins, upgrade your gear, and grow your catches for in-game currency. Enjoy this offline experience anytime, anywhere.

**Highlights:** Shoot various fish species, Offline gameplay, Complete quests for rewards, Upgrade weapons, Grow hunted fish for money, Catch legendary creatures

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Big Fish Sharp - 100 Coins | $1.99 | one-time |
| Big Fish Sharp -  500 coins | $4.99 | one-time |
| Big Fish Sharp -  1000 Coins | $9.99 | one-time |
| Big Fish Sharp - 5000 Coins | $24.99 | one-time |


## Frequently asked questions

### Is correctPlus free?

correctPlus is free to download, with no in-app purchases.

### Is Fish doom free?

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

### Do correctPlus or Fish doom have ads?

correctPlus shows ads; Fish doom does not.

### Which is updated more often, correctPlus or Fish doom?

correctPlus ships an update every 7 months, and Fish doom every 6 weeks. Most recently, correctPlus was updated on October 11, 2026 and Fish doom on October 20, 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.*