# CircumTime vs HydraTrain

The clearest difference is ads: CircumTime at none against HydraTrain's shown. CircumTime also leads on iOS requirement (16.0 vs 26.2). HydraTrain's advantage is update cadence (every 2 days vs every 11 days). On price, in-app purchases and device support there is nothing between them.

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

CircumTime ships an update every 11 days, HydraTrain every 2 days. The most recent releases landed on June 7, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | CircumTime | HydraTrain |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/circumtime/id6480200800/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 11 days | **Every 2 days** |
| Monetization | Free | — |
| Size | 13 MB | 5 MB |
| Requires iOS | **16.0** | 26.2 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Matteo Cotena](https://appshunter.io/developer/1731878639) | [Federico Sebastiani](https://appshunter.io/developer/1801020587) |

## What reviewers say

### CircumTime

[App page](https://appshunter.io/ios/app/circumtime/id6480200800)

Get real-time train schedules, platform details, and instant updates on delays and cancellations for your daily journeys. This app simplifies travel planning with an intuitive interface, making your commute stress-free.

**Highlights:** Real-time train schedules, Platform information, Delay and cancellation updates, Simplified fixed timetables, Intuitive interface

**Features:** macOS Compatibility

**In-app purchases:** none


### HydraTrain

[App page](https://appshunter.io/ios/app/hydratrain/id6757862682)

**In-app purchases:** none


## Frequently asked questions

### Is CircumTime free?

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

### Is HydraTrain free?

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

### Do CircumTime or HydraTrain have ads?

HydraTrain shows ads; CircumTime does not.

### Which is updated more often, CircumTime or HydraTrain?

CircumTime ships an update every 11 days, and HydraTrain every 2 days. Most recently, CircumTime was updated on June 7, 2026 and HydraTrain on September 15, 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.*