# FishCast vs リバーマップ

The clearest difference is ads: リバーマップ at none against FishCast's shown. FishCast's advantage is device support (4 vs 2) and iOS requirement (13.0 vs 16.4). On price, update cadence and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 5 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | FishCast | リバーマップ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 5 days | Every 5 days |
| Size | 119 MB | 33 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [yuya kurata](https://appshunter.io/developer/1885278654) | [Mori Toshiaki](https://appshunter.io/developer/6783536353) |

## What reviewers say

### FishCast

[App page](https://appshunter.io/ios/app/fishcast/id6760605894)

**Features:** Apple Watch app

**In-app purchases:** none


### リバーマップ

[App page](https://appshunter.io/ios/app/id6783536351)

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

**In-app purchases:** none


## Frequently asked questions

### Is FishCast free?

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

### Is リバーマップ free?

リバーマップ is free to download, with no in-app purchases.

### Do FishCast or リバーマップ have ads?

FishCast shows ads; リバーマップ does not.

### Which is updated more often, FishCast or リバーマップ?

FishCast ships an update every 5 days, and リバーマップ every 5 days. Most recently, FishCast was updated on October 31, 2026 and リバーマップ on October 31, 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.*