# A642DSP vs TrainNavigator

The clearest difference is in-app purchases: A642DSP at none against TrainNavigator's 1. A642DSP also leads on iOS requirement (8.0 vs 12.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. TrainNavigator sells 1 in-app purchase, starting at $7.99 per year. A642DSP asks for nothing beyond the download.

A642DSP ships an update every 8 days, TrainNavigator every 4 days. The most recent releases landed on October 5, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | A642DSP | TrainNavigator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 days | **Every 4 days** |
| Size | 30 MB | 28 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [杏生 卢](https://appshunter.io/developer/1094592555) | [Michal Kajaba](https://appshunter.io/developer/987937761) |

## What reviewers say

### A642DSP

[App page](https://appshunter.io/ios/app/a642dsp/id1613892144)

**Features:** macOS Compatibility

**In-app purchases:** none


### TrainNavigator

[App page](https://appshunter.io/ios/app/trainnavigator/id6738654983)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TrainNavigator Premium | $7.99 | per year |


## Frequently asked questions

### Is A642DSP free?

A642DSP is free to download, with no in-app purchases.

### Is TrainNavigator free?

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

### Do A642DSP or TrainNavigator have ads?

Neither A642DSP nor TrainNavigator shows ads.

### Which is updated more often, A642DSP or TrainNavigator?

A642DSP ships an update every 8 days, and TrainNavigator every 4 days. Most recently, A642DSP was updated on October 5, 2026 and TrainNavigator on October 3, 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.*