# Thundr App vs Gregs Endurance Training

The clearest difference is update cadence: Gregs Endurance Training at weekly against Thundr App's every 27 months. Thundr App's advantage is iOS requirement (15.0 vs 26.4). 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.

Thundr App ships an update every 27 months, Gregs Endurance Training weekly. The most recent releases landed on October 2, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Thundr App | Gregs Endurance Training |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (12 ratings)](https://appshunter.io/ios/app/thundr-app/id6480428125/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 63.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 27 months | **Weekly** |
| Monetization | Free | — |
| Size | 46 MB | 4 MB |
| Requires iOS | **15.0** | 26.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [DSS Sports Group Inc](https://appshunter.io/developer/1738995467) | [Pin Oak Partners LLC](https://appshunter.io/developer/1856022647) |

## What reviewers say

### Thundr App

[App page](https://appshunter.io/ios/app/thundr-app/id6480428125)

Access your training and nutrition plans, join group challenges, and schedule appointments with coaches. This app supports physical training and mental toughness for a winning mindset.

**Highlights:** Workout tracking, Nutrition information access, Group challenges, Scheduled workout viewing, Coach appointment booking

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

**In-app purchases:** none


### Gregs Endurance Training

[App page](https://appshunter.io/ios/app/gregs-endurance-training/id6794333721)

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

**In-app purchases:** none


## Frequently asked questions

### Is Thundr App free?

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

### Is Gregs Endurance Training free?

Gregs Endurance Training is free to download, with no in-app purchases.

### Do Thundr App or Gregs Endurance Training have ads?

Neither Thundr App nor Gregs Endurance Training shows ads.

### Which is updated more often, Thundr App or Gregs Endurance Training?

Thundr App ships an update every 27 months, and Gregs Endurance Training weekly. Most recently, Thundr App was updated on October 2, 2026 and Gregs Endurance Training on October 5, 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.*