# DP vs Software_Engineering

The clearest difference is in-app purchases: Software_Engineering at none against DP's 3. Software_Engineering also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. DP sells 3 in-app purchases, starting at $1.99 per 7 days. Software_Engineering asks for nothing beyond the download.

DP ships an update every 2 weeks, Software_Engineering every 3 weeks. The most recent releases landed on October 20, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | DP | Software_Engineering |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Size | 84 MB | 4 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 12+ | 4+ |
| Developer | [Oriol Della](https://appshunter.io/developer/1859290047) | [Luke Mclaughlin](https://appshunter.io/developer/1893671036) |

## What reviewers say

### DP

[App page](https://appshunter.io/ios/app/dp-900-2026-course-and-ai-tutor/id6757562783)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| week_sub_dp900 | $1.99 | per 7 days |
| DP-900 Monthly | $6.99 | per month |
| one_time_buy_dp900 | $13.99 | one-time |


### Software_Engineering

[App page](https://appshunter.io/ios/app/software-engineering/id6789705015)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is DP free?

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

### Is Software_Engineering free?

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

### Do DP or Software_Engineering have ads?

DP shows ads; Software_Engineering does not.

### Which is updated more often, DP or Software_Engineering?

DP ships an update every 2 weeks, and Software_Engineering every 3 weeks. Most recently, DP was updated on October 20, 2026 and Software_Engineering on October 25, 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.*