# Chronic Diseases vs centinics

The clearest difference is update cadence: centinics at every 6 weeks against Chronic Diseases's every 6 months. Chronic Diseases's advantage is iOS requirement (7.1 vs 13.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Chronic Diseases ships an update every 6 months, centinics every 6 weeks. The most recent releases landed on September 23, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Chronic Diseases | centinics |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 6 weeks** |
| Size | 41 MB | 32 MB |
| Requires iOS | **7.1** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [rahul baweja](https://appshunter.io/developer/804610215) | [JAM INFOSYS, INC](https://appshunter.io/developer/919833617) |

## What reviewers say

### Chronic Diseases

[App page](https://appshunter.io/ios/app/chronic-diseases/id1086355241)

**Features:** macOS Compatibility

**In-app purchases:** none


### centinics

[App page](https://appshunter.io/ios/app/centinics/id1187304549)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Chronic Diseases free?

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

### Is centinics free?

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

### Do Chronic Diseases or centinics have ads?

Neither Chronic Diseases nor centinics shows ads.

### Which is updated more often, Chronic Diseases or centinics?

Chronic Diseases ships an update every 6 months, and centinics every 6 weeks. Most recently, Chronic Diseases was updated on September 23, 2026 and centinics on September 15, 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.*