# Interval Weight Loss vs Fitribe App

The clearest difference is in-app purchases: Fitribe App at none against Interval Weight Loss's 11. Interval Weight Loss's advantage is update cadence (fortnightly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Interval Weight Loss sells 11 in-app purchases, starting at $14.00 per month. Fitribe App asks for nothing beyond the download.

Interval Weight Loss ships an update fortnightly, Fitribe App every 2 months. The most recent releases landed on October 15, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Interval Weight Loss | Fitribe App |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Subscription | — |
| Size | 119 MB | 167 MB |
| Requires iOS | **15.0** | 15.5 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Interval Weight Loss](https://appshunter.io/developer/1663437345) | [Fitribe Pty Ltd](https://appshunter.io/developer/1744978485) |

## What reviewers say

### Interval Weight Loss

[App page](https://appshunter.io/ios/app/interval-weight-loss/id1663437343)

This scientifically developed program offers a structured approach to sustainable weight loss by resetting metabolism and building healthy habits. It provides flexible meal plans, educational resources, progress tracking tools, and optional access to a personal dietitian.

**Highlights:** Habit tracker for balanced eating, exercise, and sleep, Flexible and adaptable meal plans with new recipes, Educational videos and articles on weight loss science, Tools to track weight, blood changes, and measurements, 24/7 access to a personal dietitian (PLUS plan), Stepped approach to weight loss without starvation mode

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| IWL Plan Monthly | $14.00 | per month |
| IWL Plus Monthly | $29.00 | per month |
| IWL Essential | $40.00 | per month |
| IWL Plan Quarterly | $59.00 | per 3 months |
| IWL Plan Quarterly (Trial) | $59.00 | per 3 months |
| IWL Plus Quarterly | $129.99 | per 3 months |
| IWL Plus Quarterly (Trial) | $129.99 | per 3 months |
| IWL Plan Yearly | $179.00 | per year |
| IWL Plan Yearly (Trial) | $179.00 | per year |
| IWL Plus Yearly | $399.00 | per year |
| IWL Plus Yearly (Trial) | $399.00 | per year |


### Fitribe App

[App page](https://appshunter.io/ios/app/fitribe-app/id6502302387)

**Features:** Apple Wallet, Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Interval Weight Loss free?

Interval Weight Loss is free to download, with in-app purchases available.

### Is Fitribe App free?

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

### Do Interval Weight Loss or Fitribe App have ads?

Neither Interval Weight Loss nor Fitribe App shows ads.

### Which is updated more often, Interval Weight Loss or Fitribe App?

Interval Weight Loss ships an update fortnightly, and Fitribe App every 2 months. Most recently, Interval Weight Loss was updated on October 15, 2026 and Fitribe App on October 25, 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.*