# ROCKET Endurance Training vs TEMPR

The clearest difference is device support: ROCKET Endurance Training at 3 against TEMPR's 1. ROCKET Endurance Training also leads on iOS requirement (15.1 vs 17.0). On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. ROCKET Endurance Training sells 2 in-app purchases, starting at $19.95 per month and TEMPR sells 8 in-app purchases, starting at $29.99 per month. Whichever you choose, the download price is not the number that matters.

ROCKET Endurance Training ships an update weekly, TEMPR every 5 days. The most recent releases landed on October 8, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | ROCKET Endurance Training | TEMPR |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 5 days** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 150 MB | 75 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Rocket Endurance Pty Ltd](https://appshunter.io/developer/1881787061) | [TEMPR APP PTY LTD](https://appshunter.io/developer/1883640066) |

## What reviewers say

### ROCKET Endurance Training

[App page](https://appshunter.io/ios/app/rocket-endurance-training/id6759940607)

This adaptive training app creates personalized, multi-discipline plans for athletes balancing various sports like triathlon, HYROX, and running. It automatically adjusts your schedule based on your life events and training progress, offering the intelligence of a personal coach at a fraction of the cost.

**Highlights:** Personalized multi-discipline training plans, Adaptive load management, Automatic schedule adjustments, Strava and watch sync, Supports up to 10 races annually, Built by coaches and scientists

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rocket Monthly | $19.95 | per month |
| Rocket Annual | $129.99 | per year |


### TEMPR

[App page](https://appshunter.io/ios/app/tempr/id6760286775)

This app provides coach-written triathlon training plans for various distances and levels, personalized to your fitness. It includes a knowledge hub for training advice, community features to connect with other athletes, and exclusive partner discounts.

**Highlights:** Coach-written training plans, Personalized workouts, Knowledge hub with training advice, Community features, Exclusive member discounts, Flexible scheduling

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Founding Monthly Subscription | $29.99 | per month |
| Monthly Subscription | $29.99 | per month |
| One Month Free Monthly Subscription | $39.99 | per month |
| TEMPR Monthly Subscription | $39.99 | per month |
| Yearly Subscription | $249.99 | per year |
| Founding Yearly Subscription | $249.99 | per year |
| TEMPR Yearly Subscription | $299.99 | per year |
| TEMPR Affiliate Yearly Subscription | $299.99 | per year |


## Frequently asked questions

### Is ROCKET Endurance Training free?

ROCKET Endurance Training is free to download, with in-app purchases available.

### Is TEMPR free?

TEMPR is free to download, with in-app purchases available.

### Do ROCKET Endurance Training or TEMPR have ads?

Neither ROCKET Endurance Training nor TEMPR shows ads.

### Which is updated more often, ROCKET Endurance Training or TEMPR?

ROCKET Endurance Training ships an update weekly, and TEMPR every 5 days. Most recently, ROCKET Endurance Training was updated on October 8, 2026 and TEMPR on October 7, 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.*