# Justfit vs NUBOXX

The clearest difference is in-app purchases: NUBOXX at none against Justfit's 5. NUBOXX also leads on ads (none vs shown) and iOS requirement (11.0.0 vs 15.0). Justfit's advantage is update cadence (every 3 days vs every 3 weeks). On price, rating, ratings volume and device support there is nothing between them.

Both are free to download. Justfit sells 5 in-app purchases, starting at $2.99 per month. NUBOXX asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Justfit against 5.0 for NUBOXX. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Justfit ships an update every 3 days, NUBOXX every 3 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | Justfit | NUBOXX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/justfit-boxing-interval-timer/id6449503037/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/nuboxx/id6449593458/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Every 3 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 116 MB | 47 MB |
| Requires iOS | 15.0 | **11.0.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ferda Nahit Fidanci](https://appshunter.io/developer/1689464732) | [RPS FITNESS VENTURES, LLC](https://appshunter.io/developer/1445978054) |

## What reviewers say

### Justfit

[App page](https://appshunter.io/ios/app/justfit-boxing-interval-timer/id6449503037)

This interval timer app allows users to create custom workout routines like Tabata, HIIT, or boxing circuits with customizable intervals and voice announcements. It offers background operation, Apple Watch integration, and detailed workout history.

**Highlights:** Unlimited custom intervals, sets, and rest periods, Voice announcements and countdowns, Background operation with large display, Apple Watch app and Lock Screen Live Activity, Workout history and weekly insights, Widgets and Siri integration

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Annual | $14.99 | per year |
| Justfit Pro Annual | $14.99 | per year |
| Justfit Pro Lifetime | $22.99 | one-time |
| Lifetime access | $29.99 | one-time |


### NUBOXX

[App page](https://appshunter.io/ios/app/nuboxx/id6449593458)

Access your personalized member portal to sign up for classes, manage your membership, and stay informed about upcoming events. This app streamlines your fitness journey with easy access to all your account needs.

**Highlights:** Personalized member portal, Class sign-up, Membership management, Event notifications, Account access

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Justfit free?

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

### Is NUBOXX free?

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

### Which has better reviews, Justfit or NUBOXX?

Justfit and NUBOXX are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Justfit or NUBOXX have ads?

Justfit shows ads; NUBOXX does not.

### Which is updated more often, Justfit or NUBOXX?

Justfit ships an update every 3 days, and NUBOXX every 3 weeks. Most recently, Justfit was updated on November 3, 2026 and NUBOXX on November 3, 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.*