# TrainFlow vs ByBo

The clearest difference is device support: ByBo at 3 against TrainFlow's 1. ByBo also leads on iOS requirement (15.0 vs 18.0). On price, update cadence, ads 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.

TrainFlow ships an update every 4 weeks, ByBo every 3 weeks. The most recent releases landed on October 25, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | TrainFlow | ByBo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 3 weeks** |
| Size | 56 MB | 57 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [THX IT Oy](https://appshunter.io/developer/1741943093) | [TeamUp Sports](https://appshunter.io/developer/1449504626) |

## What reviewers say

### TrainFlow

[App page](https://appshunter.io/ios/app/trainflow-training-plans/id6744355617)

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

**In-app purchases:** none


### ByBo

[App page](https://appshunter.io/ios/app/bybo/id6761608607)

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

**In-app purchases:** none


## Frequently asked questions

### Is TrainFlow free?

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

### Is ByBo free?

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

### Do TrainFlow or ByBo have ads?

Neither TrainFlow nor ByBo shows ads.

### Which is updated more often, TrainFlow or ByBo?

TrainFlow ships an update every 4 weeks, and ByBo every 3 weeks. Most recently, TrainFlow was updated on October 25, 2026 and ByBo on October 16, 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.*