# NeckStrong vs Kinetic Age

The clearest difference is in-app purchases: NeckStrong at none against Kinetic Age's 1. Kinetic Age's advantage is update cadence (every 4 weeks vs every 80 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Kinetic Age sells 1 in-app purchase, starting at $0.99 per 7 days. NeckStrong asks for nothing beyond the download.

NeckStrong ships an update every 80 months, Kinetic Age every 4 weeks. The most recent releases landed on November 7, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | NeckStrong | Kinetic Age |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 80 months | **Every 4 weeks** |
| Size | 34 MB | 119 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [CloudSpirit Limited](https://appshunter.io/developer/816154234) | [KINETICAGE HEALTH TRAINING PRIVATE LIMITED](https://appshunter.io/developer/1874322510) |

## What reviewers say

### NeckStrong

[App page](https://appshunter.io/ios/app/neckstrong-isometric/id1485815775)

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

**In-app purchases:** none


### Kinetic Age

[App page](https://appshunter.io/ios/app/kinetic-age/id6758671899)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $0.99 | per 7 days |


## Frequently asked questions

### Is NeckStrong free?

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

### Is Kinetic Age free?

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

### Do NeckStrong or Kinetic Age have ads?

Both NeckStrong and Kinetic Age show ads.

### Which is updated more often, NeckStrong or Kinetic Age?

NeckStrong ships an update every 80 months, and Kinetic Age every 4 weeks. Most recently, NeckStrong was updated on November 7, 2026 and Kinetic Age on November 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.*