# RootCause vs Interval Timer HIIT Tabata

The clearest difference is iOS requirement: RootCause at 15.6 against Interval Timer HIIT Tabata's 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. RootCause sells 5 in-app purchases, starting at $9.99 per month and Interval Timer HIIT Tabata sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 9, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | RootCause | Interval Timer HIIT Tabata |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (21 ratings)](https://appshunter.io/ios/app/rootcause-emotion-body-link/id6740285911/reviews)** | — |
| Number of ratings | **21** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 14 MB | 32 MB |
| Requires iOS | **15.6** | 26.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 17+ | 4+ |
| Developer | [Ayana Wellness LLC](https://appshunter.io/developer/1781319429) | [Volodymyr Yahenskyi](https://appshunter.io/developer/961335645) |

## What reviewers say

### RootCause

[App page](https://appshunter.io/ios/app/rootcause-emotion-body-link/id6740285911)

Decode physical symptoms by linking them to potential emotional roots using German New Medicine principles. Track your body's signals, gain personalized insight reports, and identify patterns to support your healing journey.

**Highlights:** Body Signal Tracker with emotional context, GNM-based Insight Reports, Pattern Recognition for triggers, Daily Affirmations, Healing Journal, Progress Tracking

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Wellness Plan | $9.99 | per month |
| Annual Wellness Plan | $99.99 | per year |
| RootCause Aditional Report | $0.29 | one-time |
| RootCause Pay-As-You-Go | $0.99 | one-time |
| RootCause Bundle | $4.99 | one-time |


### Interval Timer HIIT Tabata

[App page](https://appshunter.io/ios/app/interval-timer-hiit-tabata/id6787092191)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly plan | $4.99 | per 7 days |
| Annual plan | $39.99 | per year |


## Frequently asked questions

### Is RootCause free?

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

### Is Interval Timer HIIT Tabata free?

Interval Timer HIIT Tabata is free to download, with in-app purchases available.

### Do RootCause or Interval Timer HIIT Tabata have ads?

Neither RootCause nor Interval Timer HIIT Tabata shows ads.

### Which is updated more often, RootCause or Interval Timer HIIT Tabata?

RootCause ships an update monthly, and Interval Timer HIIT Tabata monthly. Most recently, RootCause was updated on October 9, 2026 and Interval Timer HIIT Tabata on October 10, 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.*