# Bio vs Maxwell Central

Bio and Maxwell Central are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Bio ships an update every 2 months, Maxwell Central every 5 weeks. The most recent releases landed on September 20, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | Bio | Maxwell Central |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Size | 49 MB | 40 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Union-Swiss (Pty) Ltd](https://appshunter.io/developer/1439562509) | [Su Win](https://appshunter.io/developer/1813874858) |

## What reviewers say

### Bio

[App page](https://appshunter.io/ios/app/bio-oil/id1511531265)

**In-app purchases:** none


### Maxwell Central

[App page](https://appshunter.io/ios/app/maxwell-central/id6749521421)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Bio free?

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

### Is Maxwell Central free?

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

### Do Bio or Maxwell Central have ads?

Neither Bio nor Maxwell Central shows ads.

### Which is updated more often, Bio or Maxwell Central?

Bio ships an update every 2 months, and Maxwell Central every 5 weeks. Most recently, Bio was updated on September 20, 2026 and Maxwell Central on September 19, 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.*