# Block Trainer vs DefectiveTennis

The clearest difference is update cadence: Block Trainer at weekly against DefectiveTennis's every 3 weeks. Block Trainer also leads on iOS requirement (12.0 vs 26.5). On price, ads, 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.

Block Trainer ships an update weekly, DefectiveTennis every 3 weeks. Both last shipped on October 31, 2026.

## The numbers

| Metric | Block Trainer | DefectiveTennis |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 weeks |
| Size | 145 MB | 1 MB |
| Requires iOS | **12.0** | 26.5 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Nathaniel Garrett Davis](https://appshunter.io/developer/1803271714) | [DefectiveRobot LLC](https://appshunter.io/developer/1896730100) |

## What reviewers say

### Block Trainer

[App page](https://appshunter.io/ios/app/block-trainer/id6761806784)

**In-app purchases:** none


### DefectiveTennis

[App page](https://appshunter.io/ios/app/defectivetennis/id6792527871)

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

**In-app purchases:** none


## Frequently asked questions

### Is Block Trainer free?

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

### Is DefectiveTennis free?

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

### Do Block Trainer or DefectiveTennis have ads?

Neither Block Trainer nor DefectiveTennis shows ads.

### Which is updated more often, Block Trainer or DefectiveTennis?

Block Trainer ships an update weekly, and DefectiveTennis every 3 weeks. Most recently, Block Trainer was updated on October 31, 2026 and DefectiveTennis on October 31, 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.*