# Interval Plus CrossFit vs Box12

The clearest difference is iOS requirement: Box12 at 13.0 against Interval Plus CrossFit's 16.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Interval Plus CrossFit ships an update every 4 weeks, Box12 every 3 weeks. The most recent releases landed on October 2, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Interval Plus CrossFit | Box12 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (6 ratings)](https://appshunter.io/ios/app/interval-plus-crossfit/id1559381463/reviews)** | — |
| Number of ratings | **6** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 192 MB | 47 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Alimtyaz Alriyadi Co.](https://appshunter.io/developer/1439930260) | [Memvera](https://appshunter.io/developer/1706555128) |

## What reviewers say

### Interval Plus CrossFit

[App page](https://appshunter.io/ios/app/interval-plus-crossfit/id1559381463)

Easily plan and schedule your fitness classes directly from your mobile device. View class schedules, sign up for sessions, and access studio location details. Optimize your time and enhance convenience by managing your fitness activities on the go.

**Highlights:** View class schedules, Sign up for classes, Access studio location, Schedule classes, Manage fitness activities

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

**In-app purchases:** none


### Box12

[App page](https://appshunter.io/ios/app/box12/id6471830663)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Interval Plus CrossFit free?

Interval Plus CrossFit is free to download, with no in-app purchases.

### Is Box12 free?

Box12 is free to download, with no in-app purchases.

### Do Interval Plus CrossFit or Box12 have ads?

Neither Interval Plus CrossFit nor Box12 shows ads.

### Which is updated more often, Interval Plus CrossFit or Box12?

Interval Plus CrossFit ships an update every 4 weeks, and Box12 every 3 weeks. Most recently, Interval Plus CrossFit was updated on October 2, 2026 and Box12 on October 13, 2026.

---

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