# Ruler App XL vs HIIT Training Interval Timer

The clearest difference is price: HIIT Training Interval Timer at Free against Ruler App XL's $0.99. HIIT Training Interval Timer also leads on rating (5.0 vs 2.0) and device support (3 vs 1). Ruler App XL's advantage is in-app purchases (none vs 1) and ads (none vs shown). On update cadence and iOS requirement there is nothing between them.

HIIT Training Interval Timer is free to download; Ruler App XL costs $0.99 up front. HIIT Training Interval Timer sells 1 one-off in-app purchase. Ruler App XL asks for nothing beyond the download.

HIIT Training Interval Timer holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 3 and 10 respectively.

Ruler App XL ships an update every 14 months, HIIT Training Interval Timer every 9 months. The most recent releases landed on September 16, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Ruler App XL | HIIT Training Interval Timer |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [2.0 (3 ratings)](https://appshunter.io/ios/app/ruler-app-xl/id363874796/reviews) | **[5.0 (10 ratings)](https://appshunter.io/ios/app/hiit-training-interval-timer/id1615538751/reviews)** |
| Number of ratings | 3 | **10** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 14 months | **Every 9 months** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 1 MB | 2 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Piet Jonas](https://appshunter.io/developer/288060167) | [Phan Nhat Đang](https://appshunter.io/developer/1437390098) |

## What reviewers say

### Ruler App XL

[App page](https://appshunter.io/ios/app/ruler-app-xl/id363874796)

Transform your iPad into a precise measuring tool for small objects. Easily switch between imperial and metric units, adjust the ruler for direct comparisons, and customize with different color schemes. Supports multitasking for enhanced usability on various iPad models.

**Highlights:** Imperial and metric scales, Adjustable ruler line, Multiple color schemes, iPad multitasking support, Supports iPad Mini and iPad Pro

**Features:** macOS Compatibility

**In-app purchases:** none


### HIIT Training Interval Timer

[App page](https://appshunter.io/ios/app/hiit-training-interval-timer/id1615538751)

This application helps manage the duration of your high-intensity interval training workouts. You can create and customize various timers to fit your specific exercise routines. It is designed to be intuitive, simple, and easy to operate.

**Highlights:** Create and edit custom timers, Manage full HIIT workout time, Intuitive and simple interface, Workout customization

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock all features | $5.99 | one-time |


## Frequently asked questions

### Is Ruler App XL free?

Ruler App XL costs $0.99, with no in-app purchases.

### Is HIIT Training Interval Timer free?

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

### Which has better reviews, Ruler App XL or HIIT Training Interval Timer?

HIIT Training Interval Timer is rated higher. Ruler App XL averages 2.0 out of 5 from 3 ratings, while HIIT Training Interval Timer averages 5.0 from 10 ratings.

### Do Ruler App XL or HIIT Training Interval Timer have ads?

HIIT Training Interval Timer shows ads; Ruler App XL does not.

### Which is updated more often, Ruler App XL or HIIT Training Interval Timer?

Ruler App XL ships an update every 14 months, and HIIT Training Interval Timer every 9 months. Most recently, Ruler App XL was updated on September 16, 2026 and HIIT Training Interval Timer on September 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.*