# CSAC vs Az DP

The clearest difference is in-app purchases: CSAC at none against Az DP's 1. Az DP's advantage is update cadence (every 10 months vs every 24 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Az DP sells 1 one-off in-app purchase. CSAC asks for nothing beyond the download.

CSAC ships an update every 24 months, Az DP every 10 months. The most recent releases landed on November 6, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | CSAC | Az DP |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 24 months | **Every 10 months** |
| Size | 9 MB | 25 MB |
| Requires iOS | 11.0 | **10.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mobile Town Guide](https://appshunter.io/developer/1076797990) | [Trieu Tran](https://appshunter.io/developer/1395838483) |

## What reviewers say

### CSAC

[App page](https://appshunter.io/ios/app/csac/id1442707486)

**Features:** macOS Compatibility

**In-app purchases:** none


### Az DP

[App page](https://appshunter.io/ios/app/az-dp-300-updated-2026/id1658327980)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Premium Content | $7.99 | one-time |


## Frequently asked questions

### Is CSAC free?

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

### Is Az DP free?

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

### Do CSAC or Az DP have ads?

Neither CSAC nor Az DP shows ads.

### Which is updated more often, CSAC or Az DP?

CSAC ships an update every 24 months, and Az DP every 10 months. Most recently, CSAC was updated on November 6, 2026 and Az DP on November 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.*