# Deep Core vs Prep Mobility

The clearest difference is update cadence: Prep Mobility at every 3 days against Deep Core's every 2 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Deep Core sells 7 one-off in-app purchases and Prep Mobility sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Deep Core ships an update every 2 weeks, Prep Mobility every 3 days. The most recent releases landed on October 7, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Deep Core | Prep Mobility |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Size | 28 MB | 240 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Jonathan Buchan](https://appshunter.io/developer/1890504350) | [Edition Ventures Ltd](https://appshunter.io/developer/6774143385) |

## What reviewers say

### Deep Core

[App page](https://appshunter.io/ios/app/deep-core-breathing-and-posture/id6761623256)

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Donation | $1.99 | one-time |
| Medium Donation | $2.99 | one-time |
| Winter Beanie Outfit | $2.99 | one-time |
| Fall Beanie Outfit | $2.99 | one-time |
| Summer Beanie Outfit | $2.99 | one-time |
| Spring Beanie Outfit | $2.99 | one-time |
| Large Donation | $3.99 | one-time |


### Prep Mobility

[App page](https://appshunter.io/ios/app/prep-mobility-stretching/id6774143383)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Prep Mobility Monthly | $9.99 | per month |
| Prep Mobility Yearly | $79.99 | per year |


## Frequently asked questions

### Is Deep Core free?

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

### Is Prep Mobility free?

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

### Do Deep Core or Prep Mobility have ads?

Neither Deep Core nor Prep Mobility shows ads.

### Which is updated more often, Deep Core or Prep Mobility?

Deep Core ships an update every 2 weeks, and Prep Mobility every 3 days. Most recently, Deep Core was updated on October 7, 2026 and Prep Mobility on October 13, 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.*