# Exsurgo Performance System vs CoreTech.

The clearest difference is update cadence: CoreTech. at fortnightly against Exsurgo Performance System's every 3 months. 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.

Exsurgo Performance System ships an update every 3 months, CoreTech. fortnightly. The most recent releases landed on August 26, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Exsurgo Performance System | CoreTech. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/exsurgo-performance-system/id1545024378/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 30 MB | 30 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Exsurgo Technologies, LLC](https://appshunter.io/developer/1396586023) | [Dusan Borovnica](https://appshunter.io/developer/1859686891) |

## What reviewers say

### Exsurgo Performance System

[App page](https://appshunter.io/ios/app/exsurgo-performance-system/id1545024378)

This application connects with Exsurgo Technologies devices to capture athletic performance data. Analyze your results to create effective training programs for improved athletic abilities, injury recovery, or establishing a starting baseline.

**Highlights:** Capture data from gFlight, gSprint, and gStrength devices, Analyze athletic performance metrics, Build custom training programs, Track progress for injury recovery, Establish training baselines

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

**In-app purchases:** none


### CoreTech.

[App page](https://appshunter.io/ios/app/coretech/id6758862555)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Exsurgo Performance System free?

Exsurgo Performance System is free to download, with no in-app purchases.

### Is CoreTech. free?

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

### Do Exsurgo Performance System or CoreTech. have ads?

Neither Exsurgo Performance System nor CoreTech. shows ads.

### Which is updated more often, Exsurgo Performance System or CoreTech.?

Exsurgo Performance System ships an update every 3 months, and CoreTech. fortnightly. Most recently, Exsurgo Performance System was updated on August 26, 2026 and CoreTech. on September 14, 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.*