# Sendai Rail Map Lite vs Whatfish

The clearest difference is in-app purchases: Sendai Rail Map Lite at none against Whatfish's 1. Sendai Rail Map Lite also leads on iOS requirement (8.0 vs 26.0). Whatfish's advantage is update cadence (fortnightly vs every 10 months). On price, ads and device support there is nothing between them.

Both are free to download. Whatfish sells 1 one-off in-app purchase. Sendai Rail Map Lite asks for nothing beyond the download.

Sendai Rail Map Lite ships an update every 10 months, Whatfish fortnightly. The most recent releases landed on October 3, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Sendai Rail Map Lite | Whatfish |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Fortnightly** |
| Size | 25 MB | 52 MB |
| Requires iOS | **8.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Urban-Map](https://appshunter.io/developer/628107372) | [thomas demesmaeker](https://appshunter.io/developer/726427693) |

## What reviewers say

### Sendai Rail Map Lite

[App page](https://appshunter.io/ios/app/sendai-rail-map-lite/id1068224949)

**Features:** macOS Compatibility

**In-app purchases:** none


### Whatfish

[App page](https://appshunter.io/ios/app/whatfish-fish-guide/id6759563841)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WhatFish, Marine Species ID | $9.99 | one-time |


## Frequently asked questions

### Is Sendai Rail Map Lite free?

Sendai Rail Map Lite is free to download, with no in-app purchases.

### Is Whatfish free?

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

### Do Sendai Rail Map Lite or Whatfish have ads?

Neither Sendai Rail Map Lite nor Whatfish shows ads.

### Which is updated more often, Sendai Rail Map Lite or Whatfish?

Sendai Rail Map Lite ships an update every 10 months, and Whatfish fortnightly. Most recently, Sendai Rail Map Lite was updated on October 3, 2026 and Whatfish on October 10, 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.*