# Tetra Performance Training vs DSP +

Tetra Performance Training and DSP + are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support 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.

## The numbers

| Metric | Tetra Performance Training | DSP + |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Size | 42 MB | 43 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [David Jarrett](https://appshunter.io/developer/6785643020) | [BC Entertainment LLC](https://appshunter.io/developer/1685976204) |

## What reviewers say

### Tetra Performance Training

[App page](https://appshunter.io/ios/app/tetra-performance-training/id6785643018)

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

**In-app purchases:** none


### DSP +

[App page](https://appshunter.io/ios/app/dsp-plus/id6811155602)

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

**In-app purchases:** none


## Frequently asked questions

### Is Tetra Performance Training free?

Tetra Performance Training is free to download, with no in-app purchases.

### Is DSP + free?

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

### Do Tetra Performance Training or DSP + have ads?

Neither Tetra Performance Training nor DSP + shows ads.

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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.*