# HiiTopia vs Ramp4x4

The clearest difference is in-app purchases: HiiTopia at none against Ramp4x4's 2. HiiTopia also leads on iOS requirement (15.1 vs 17.0). Ramp4x4's advantage is update cadence (every 4 days vs every 2 months). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Ramp4x4 sells 2 in-app purchases, starting at $9.99 per month. HiiTopia asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for HiiTopia against 5.0 for Ramp4x4. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

HiiTopia ships an update every 2 months, Ramp4x4 every 4 days. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | HiiTopia | Ramp4x4 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/hiitopia/id6756597359/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/ramp4x4-vo2-max-trainer/id6768789400/reviews) |
| Number of ratings | 2 | 2 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | **Free** | Freemium |
| Size | 48 MB | 42 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Cristopher Guido](https://appshunter.io/developer/1849716676) | [Archline Labs LLC](https://appshunter.io/developer/1896604874) |

## What reviewers say

### HiiTopia

[App page](https://appshunter.io/ios/app/hiitopia/id6756597359)

This AI-powered fitness app creates personalized high-intensity interval training routines based on your fitness level and available equipment. It adapts workouts as you progress, offering various training styles for efficient fat burning, muscle building, or endurance improvement.

**Highlights:** AI-customized workouts, Multiple training styles (EMOM, Tabata), Progress tracking and adaptation, Beginner-friendly routines, Flexible equipment options, Short, efficient workouts

**Features:** macOS Compatibility

**In-app purchases:** none


### Ramp4x4

[App page](https://appshunter.io/ios/app/ramp4x4-vo2-max-trainer/id6768789400)

This app guides you through high-intensity interval training sessions designed to improve your VO2 max. It offers live heart-rate feedback and timing for your workouts, with options for both free and premium training plans.

**Highlights:** Norwegian 4x4 interval workouts, Live heart-rate guidance, Apple Watch integration, Multiple training equipment options, Workout performance review, VO2 max estimate tracking

**Features:** Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ramp4x4+ Monthly | $9.99 | per month |
| Ramp4x4+ Yearly | $59.99 | per year |


## Frequently asked questions

### Is HiiTopia free?

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

### Is Ramp4x4 free?

Ramp4x4 is free to download, with in-app purchases available.

### Which has better reviews, HiiTopia or Ramp4x4?

HiiTopia and Ramp4x4 are both rated 5.0 out of 5 on the App Store, from 2 and 2 ratings respectively.

### Do HiiTopia or Ramp4x4 have ads?

Neither HiiTopia nor Ramp4x4 shows ads.

### Which is updated more often, HiiTopia or Ramp4x4?

HiiTopia ships an update every 2 months, and Ramp4x4 every 4 days. Most recently, HiiTopia was updated on October 30, 2026 and Ramp4x4 on November 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.*