# Delta T&D vs Учебник Docker

Delta T&D and Учебник Docker are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Delta T&D ships an update every 3 months, Учебник Docker every 2 months. The most recent releases landed on August 13, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Delta T&D | Учебник Docker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Size | 53 MB | 19 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ICL-KME CS](https://appshunter.io/developer/1122470888) | [Mikhail Shmarov](https://appshunter.io/developer/1715239557) |

## What reviewers say

### Delta T&D

[App page](https://appshunter.io/ios/app/delta-t-and-d/id6479645109)

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

**In-app purchases:** none


### Учебник Docker

[App page](https://appshunter.io/ios/app/docker/id6742394168)

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

**In-app purchases:** none


## Frequently asked questions

### Is Delta T&D free?

Delta T&D is free to download, with no in-app purchases.

### Is Учебник Docker free?

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

### Do Delta T&D or Учебник Docker have ads?

Neither Delta T&D nor Учебник Docker shows ads.

### Which is updated more often, Delta T&D or Учебник Docker?

Delta T&D ships an update every 3 months, and Учебник Docker every 2 months. Most recently, Delta T&D was updated on August 13, 2026 and Учебник Docker on September 21, 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.*