# e2 Training & Prävention vs TTP Bucelski

e2 Training & Prävention and TTP Bucelski are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

e2 Training & Prävention ships an update every 9 months, TTP Bucelski every 8 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | e2 Training & Prävention | TTP Bucelski |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 8 months** |
| Size | 147 MB | 148 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 12+ |
| Developer | [e2 Gesundheit GmbH & Co. KG](https://appshunter.io/developer/1589789865) | [Peter Bucelski](https://appshunter.io/developer/1808434072) |

## What reviewers say

### e2 Training & Prävention

[App page](https://appshunter.io/ios/app/e2-training-and-pravention/id1589789863)

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

**In-app purchases:** none


### TTP Bucelski

[App page](https://appshunter.io/ios/app/ttp-bucelski/id6744611383)

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

**In-app purchases:** none


## Frequently asked questions

### Is e2 Training & Prävention free?

e2 Training & Prävention is free to download, with no in-app purchases.

### Is TTP Bucelski free?

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

### Do e2 Training & Prävention or TTP Bucelski have ads?

Neither e2 Training & Prävention nor TTP Bucelski shows ads.

### Which is updated more often, e2 Training & Prävention or TTP Bucelski?

e2 Training & Prävention ships an update every 9 months, and TTP Bucelski every 8 months. Most recently, e2 Training & Prävention was updated on November 3, 2026 and TTP Bucelski on October 30, 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.*