# EMSFIT vs KLU Longevity

The clearest difference is in-app purchases: EMSFIT at none against KLU Longevity's 3. EMSFIT also leads on iOS requirement (9 vs 16.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. KLU Longevity sells 3 in-app purchases, starting at $4.99 per month. EMSFIT asks for nothing beyond the download.

EMSFIT ships an update every 10 days, KLU Longevity every 2 weeks. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | EMSFIT | KLU Longevity |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 2 weeks |
| Size | 44 MB | 93 MB |
| Requires iOS | **9** | 16.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [传凤 张](https://appshunter.io/developer/1504033117) | [LifeUnlocked s.r.o.](https://appshunter.io/developer/1896421480) |

## What reviewers say

### EMSFIT

[App page](https://appshunter.io/ios/app/emsfit/id6503283351)

**Features:** macOS Compatibility

**In-app purchases:** none


### KLU Longevity

[App page](https://appshunter.io/ios/app/klu-longevity/id6760349826)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| KLU Monthly Subscription | $4.99 | per month |
| KLU Yearly Subscription | $49.99 | per year |
| Lifetime Access | $4.99 | one-time |


## Frequently asked questions

### Is EMSFIT free?

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

### Is KLU Longevity free?

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

### Do EMSFIT or KLU Longevity have ads?

Neither EMSFIT nor KLU Longevity shows ads.

### Which is updated more often, EMSFIT or KLU Longevity?

EMSFIT ships an update every 10 days, and KLU Longevity every 2 weeks. Most recently, EMSFIT was updated on November 4, 2026 and KLU Longevity on October 31, 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.*