# MD Codes vs SimpleChime

The clearest difference is ads: SimpleChime at none against MD Codes's shown. SimpleChime also leads on update cadence (fortnightly vs every 8 months). MD Codes's advantage is iOS requirement (13.0 vs 16.0). On price, 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.

MD Codes ships an update every 8 months, SimpleChime fortnightly. The most recent releases landed on October 1, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | MD Codes | SimpleChime |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 8 months | **Fortnightly** |
| Size | 41 MB | 51 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [CLINICA MEDICA DR MAURICIO DE MAIO LTDA](https://appshunter.io/developer/1798256849) | [Falkondata LLC](https://appshunter.io/developer/1838920429) |

## What reviewers say

### MD Codes

[App page](https://appshunter.io/ios/app/md-codes/id6744648631)

**In-app purchases:** none


### SimpleChime

[App page](https://appshunter.io/ios/app/simplechime/id6766430247)

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

**In-app purchases:** none


## Frequently asked questions

### Is MD Codes free?

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

### Is SimpleChime free?

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

### Do MD Codes or SimpleChime have ads?

MD Codes shows ads; SimpleChime does not.

### Which is updated more often, MD Codes or SimpleChime?

MD Codes ships an update every 8 months, and SimpleChime fortnightly. Most recently, MD Codes was updated on October 1, 2026 and SimpleChime on October 7, 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.*