# dr2dr mobile vs CADDRA Conference

The clearest difference is update cadence: CADDRA Conference at every 4 days against dr2dr mobile's every 2 months. dr2dr mobile's advantage is iOS requirement (12.0 vs 15.6). 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.

dr2dr mobile ships an update every 2 months, CADDRA Conference every 4 days. The most recent releases landed on October 29, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | dr2dr mobile | CADDRA Conference |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Size | 15 MB | 82 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Microquest Inc.](https://appshunter.io/developer/437244368) | [THANIGAIVELAN MUTHU](https://appshunter.io/developer/1001157303) |

## What reviewers say

### dr2dr mobile

[App page](https://appshunter.io/ios/app/dr2dr-mobile/id1107011172)

**Features:** macOS Compatibility

**In-app purchases:** none


### CADDRA Conference

[App page](https://appshunter.io/ios/app/caddra-conference/id6670464120)

**Features:** macOS Compatibility, Apple Wallet, Vision Pro support, iPhone Duo support

**In-app purchases:** none


## Frequently asked questions

### Is dr2dr mobile free?

dr2dr mobile is free to download, with no in-app purchases.

### Is CADDRA Conference free?

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

### Do dr2dr mobile or CADDRA Conference have ads?

Neither dr2dr mobile nor CADDRA Conference shows ads.

### Which is updated more often, dr2dr mobile or CADDRA Conference?

dr2dr mobile ships an update every 2 months, and CADDRA Conference every 4 days. Most recently, dr2dr mobile was updated on October 29, 2026 and CADDRA Conference on November 8, 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.*