# doctorfrost vs TrainReaddy

The clearest difference is in-app purchases: doctorfrost at none against TrainReaddy's 1. TrainReaddy's advantage is update cadence (every 3 days vs fortnightly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. TrainReaddy sells 1 in-app purchase, starting at $1.99 per month. doctorfrost asks for nothing beyond the download.

doctorfrost ships an update fortnightly, TrainReaddy every 3 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | doctorfrost | TrainReaddy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 3 days** |
| Size | 66 MB | 12 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [RemediCool GmbH](https://appshunter.io/developer/1502530829) | [Christian Gelbach](https://appshunter.io/developer/6803410173) |

## What reviewers say

### doctorfrost

[App page](https://appshunter.io/ios/app/doctorfrost/id6748137352)

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

**In-app purchases:** none


### TrainReaddy

[App page](https://appshunter.io/ios/app/trainreaddy/id6803410171)

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Now | $1.99 | per month |


## Frequently asked questions

### Is doctorfrost free?

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

### Is TrainReaddy free?

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

### Do doctorfrost or TrainReaddy have ads?

Neither doctorfrost nor TrainReaddy shows ads.

### Which is updated more often, doctorfrost or TrainReaddy?

doctorfrost ships an update fortnightly, and TrainReaddy every 3 days. Most recently, doctorfrost was updated on October 25, 2026 and TrainReaddy on October 24, 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.*