# NR STUDIO vs interval timer. hiit timer

The clearest difference is in-app purchases: NR STUDIO at none against interval timer. hiit timer's 2. NR STUDIO also leads on iOS requirement (14.0 vs 18.0). interval timer. hiit timer's advantage is update cadence (every 3 weeks vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. interval timer. hiit timer sells 2 in-app purchases, starting at $1.99 per month. NR STUDIO asks for nothing beyond the download.

NR STUDIO ships an update every 2 months, interval timer. hiit timer every 3 weeks. The most recent releases landed on September 21, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | NR STUDIO | interval timer. hiit timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/nr-studio/id1544955752/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 41 MB | 19 MB |
| Requires iOS | **14.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [iTech Solutions](https://appshunter.io/developer/385759366) | [JOSUA NIKLAS ROCK](https://appshunter.io/developer/1686721446) |

## What reviewers say

### NR STUDIO

[App page](https://appshunter.io/ios/app/nr-studio/id1544955752)

Plan and schedule fitness classes with this app. View upcoming sessions, book your spot, and manage existing reservations. Find studio details and special offers.

**Highlights:** Class scheduling, Booking management, View upcoming classes, Special event listings, Studio location and contact, Promotions viewing

**Features:** macOS Compatibility

**In-app purchases:** none


### interval timer. hiit timer

[App page](https://appshunter.io/ios/app/interval-timer-hiit-timer/id6743938787)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $1.99 | per month |
| Yearly | $14.99 | per year |


## Frequently asked questions

### Is NR STUDIO free?

NR STUDIO is free to download, with no in-app purchases.

### Is interval timer. hiit timer free?

interval timer. hiit timer is free to download, with in-app purchases available.

### Do NR STUDIO or interval timer. hiit timer have ads?

Neither NR STUDIO nor interval timer. hiit timer shows ads.

### Which is updated more often, NR STUDIO or interval timer. hiit timer?

NR STUDIO ships an update every 2 months, and interval timer. hiit timer every 3 weeks. Most recently, NR STUDIO was updated on September 21, 2026 and interval timer. hiit timer on September 20, 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.*