# Hidden Jiu vs IntervalEdge

The clearest difference is in-app purchases: Hidden Jiu at none against IntervalEdge's 2. IntervalEdge's advantage is update cadence (every 6 days vs every 2 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. IntervalEdge sells 2 in-app purchases, starting at $2.99 per month. Hidden Jiu asks for nothing beyond the download.

Hidden Jiu ships an update every 2 weeks, IntervalEdge every 6 days. The most recent releases landed on September 25, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Hidden Jiu | IntervalEdge |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 6 days** |
| Size | 45 MB | 1 MB |
| Requires iOS | **16.6** | 17.5 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Emily Sudduth](https://appshunter.io/developer/1721274803) | [Karen Karapetyan](https://appshunter.io/developer/1092956865) |

## What reviewers say

### Hidden Jiu

[App page](https://appshunter.io/ios/app/hidden-jiu-jitsu/id6480127094)

**In-app purchases:** none


### IntervalEdge

[App page](https://appshunter.io/ios/app/intervaledge-training-timer/id6737814810)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fitness Timer Monthly Plan | $2.99 | per month |
| Fitness Timer Yearly Plan | $19.99 | per year |


## Frequently asked questions

### Is Hidden Jiu free?

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

### Is IntervalEdge free?

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

### Do Hidden Jiu or IntervalEdge have ads?

Neither Hidden Jiu nor IntervalEdge shows ads.

### Which is updated more often, Hidden Jiu or IntervalEdge?

Hidden Jiu ships an update every 2 weeks, and IntervalEdge every 6 days. Most recently, Hidden Jiu was updated on September 25, 2026 and IntervalEdge 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.*