# Back to Basics Chiropractic vs Cor4

The clearest difference is update cadence: Cor4 at monthly against Back to Basics Chiropractic's every 4 months. On price, ads, in-app purchases and device support there is nothing between them.

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

Back to Basics Chiropractic ships an update every 4 months, Cor4 monthly. The most recent releases landed on September 10, 2026 and June 7, 2026 respectively.

## The numbers

| Metric | Back to Basics Chiropractic | Cor4 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/cor4/id1499517553/reviews)** |
| Number of ratings | — | **5** |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | — | Ad-supported |
| Size | 191 MB | 123 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Cassese Health & Wellness, PLLC](https://appshunter.io/developer/1742807712) | [Cor4 LLC](https://appshunter.io/developer/1499517552) |

## What reviewers say

### Back to Basics Chiropractic

[App page](https://appshunter.io/ios/app/back-to-basics-chiropractic/id1159213660)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### Cor4

[App page](https://appshunter.io/ios/app/cor4/id1499517553)

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 enjoy the convenience of managing your fitness activities on the go.

**Highlights:** View class schedules, Sign up for classes, Access studio location, Schedule management, Mobile convenience

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Back to Basics Chiropractic free?

Back to Basics Chiropractic is free to download, with no in-app purchases.

### Is Cor4 free?

Cor4 is free to download, with no in-app purchases.

### Do Back to Basics Chiropractic or Cor4 have ads?

Both Back to Basics Chiropractic and Cor4 show ads.

### Which is updated more often, Back to Basics Chiropractic or Cor4?

Back to Basics Chiropractic ships an update every 4 months, and Cor4 monthly. Most recently, Back to Basics Chiropractic was updated on September 10, 2026 and Cor4 on June 7, 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.*