# PEPPER vs Bio Optimizer

The clearest difference is update cadence: Bio Optimizer at every 4 days against PEPPER's fortnightly. PEPPER's advantage is iOS requirement (15.6 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. PEPPER sells 2 in-app purchases, starting at $24.90 per month and Bio Optimizer sells 2 in-app purchases, starting at $19.99 per month. Whichever you choose, the download price is not the number that matters.

PEPPER ships an update fortnightly, Bio Optimizer every 4 days. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | PEPPER | Bio Optimizer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (22 ratings)](https://appshunter.io/ios/app/pepper-home-ems-training/id1597310145/reviews)** | — |
| Number of ratings | **22** | — |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 128 MB | 76 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 12+ |
| Developer | [Pepper Interactive GmbH](https://appshunter.io/developer/1597310147) | [YOU SUNG CHYUNG](https://appshunter.io/developer/1881798464) |

## What reviewers say

### PEPPER

[App page](https://appshunter.io/ios/app/pepper-home-ems-training/id1597310145)

Enhance your workouts with an EMS suit and app. Access a library of tailored exercises for strength, cardio, and recovery, or integrate it with your existing routines. Customize intensity for each muscle group for a personalized fitness experience.

**Highlights:** EMS-tailored workout library, Strength, cardio, and recovery programs, Integrate with own workouts, Adjustable impulse intensity per muscle region, Tutorial and expert onboarding

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PEPPER+ EMS video subscription | $24.90 | per month |
| PEPPER+ EMS video subscription | $199.00 | per year |


### Bio Optimizer

[App page](https://appshunter.io/ios/app/bio-optimizer/id6759941870)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $19.99 | per month |
| Annual Premium | $119.00 | per year |


## Frequently asked questions

### Is PEPPER free?

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

### Is Bio Optimizer free?

Bio Optimizer is free to download, with in-app purchases available.

### Do PEPPER or Bio Optimizer have ads?

Neither PEPPER nor Bio Optimizer shows ads.

### Which is updated more often, PEPPER or Bio Optimizer?

PEPPER ships an update fortnightly, and Bio Optimizer every 4 days. Most recently, PEPPER was updated on October 25, 2026 and Bio Optimizer on October 28, 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.*