# DUPR vs HIIT Timer / Interval Timer

The clearest difference is rating: HIIT Timer / Interval Timer at 4.9 against DUPR's 4.0. HIIT Timer / Interval Timer also leads on in-app purchases (none vs 10). DUPR's advantage is update cadence (weekly vs every 2 months) and ratings volume (4.1K vs 22). On price, ads and device support there is nothing between them.

Both are free to download. DUPR sells 9 in-app purchases, starting at $1.99 per month. HIIT Timer / Interval Timer asks for nothing beyond the download.

HIIT Timer / Interval Timer holds the better App Store score, 4.9 against 4.0. That said, the two scores are not equally well evidenced: DUPR has 4.1K ratings behind it against 22, so its average is the more settled of the two.

DUPR ships an update weekly, HIIT Timer / Interval Timer every 2 months. The most recent releases landed on November 7, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | DUPR | HIIT Timer / Interval Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (4.1K ratings)](https://appshunter.io/ios/app/dupr/id1567932355/reviews) | **[4.9 (22 ratings)](https://appshunter.io/ios/app/hiit-timer-interval-timer/id1610842683/reviews)** |
| Number of ratings | **4.1K** | 22 |
| Positive reviews | 8.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Best chart rank | **#22** | — |
| Size | 113 MB | 12 MB |
| Requires iOS | **18.6** | 26.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | +12 | 4+ |
| Developer | [DUPR LLC](https://appshunter.io/developer/1567932357) | [FugaPiyo Inc.](https://appshunter.io/developer/1497887610) |

## What reviewers say

### DUPR

[App page](https://appshunter.io/ios/app/dupr/id1567932355)

**Currently charting:** #22 Top Grossing · Sports, #168 Top Free · Sports (US App Store)

This app provides an innovative algorithm to accurately rate pickleball players and track match history. Find nearby players, log your games, and see your rating update in real-time after verification. Offers exclusive features and an ad-free experience through subscriptions.

**Highlights:** Innovative rating algorithm, Log and verify match scores, Immediate rating updates, Browse user profiles, Find nearby players, Ad-free subscription option

**Features:** Vision Pro support

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DUPR+ | $1.99 | per month |
| DUPR+ | $2.99 | per month |
| DUPR+ | $3.99 | per month |
| DUPR+ | $3.99 | per month |
| DUPR+ | $4.99 | per month |
| DUPR+ | $19.99 | per year |
| DUPR+ | $19.99 | per year |
| DUPR+ | $29.99 | per year |
| DUPR+ | $29.99 | per year |

**What reviewers like**

- 🚀 Easy to use
- 👍 Helpful for finding players of similar level
- 👍 Tracks progress well

**What reviewers complain about**

- 🐛 Buggy and glitchy
- 💸 Excessive ads and monetization
- 🤖 Inaccurate and inconsistent ratings
- 🤯 Poor user experience and navigation

**Reported bugs**

- Email verification not working
- Inability to edit or delete matches
- Freezing and crashes when navigating app

**Requested features**

- Ability to add friends and follow other players
- Improved match validation and score tracking
- More transparency around rating algorithm


### HIIT Timer / Interval Timer

[App page](https://appshunter.io/ios/app/hiit-timer-interval-timer/id1610842683)

This app provides a customizable timer for high-intensity interval training. Easily set up warm-up, workout, and cool-down periods with adjustable intervals and counts. Personalize colors, sounds, and notifications for a tailored experience.

**Highlights:** Unlimited timer creation, Customizable intervals (warm-up, workout, cool-down), Adjustable counts, Color and sound customization, Dark mode support, Background notifications

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is DUPR free?

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

### Is HIIT Timer / Interval Timer free?

HIIT Timer / Interval Timer is free to download, with no in-app purchases.

### Which has better reviews, DUPR or HIIT Timer / Interval Timer?

HIIT Timer / Interval Timer is rated higher. DUPR averages 4.0 out of 5 from 4.1K ratings, while HIIT Timer / Interval Timer averages 4.9 from 22 ratings.

### Do DUPR or HIIT Timer / Interval Timer have ads?

Both DUPR and HIIT Timer / Interval Timer show ads.

### Which is updated more often, DUPR or HIIT Timer / Interval Timer?

DUPR ships an update weekly, and HIIT Timer / Interval Timer every 2 months. Most recently, DUPR was updated on November 7, 2026 and HIIT Timer / Interval Timer on November 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*