# DP vs Invotech Compressors Selection

The clearest difference is update cadence: Invotech Compressors Selection at monthly against DP's every 16 months. 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.

DP ships an update every 16 months, Invotech Compressors Selection monthly. The most recent releases landed on July 9, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | DP | Invotech Compressors Selection |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/dp-select/id934888136/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 16 months | **Monthly** |
| Monetization | Free | — |
| Size | 15 MB | 25 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DP Pumps](https://appshunter.io/developer/934888135) | [Suzhou Invotech Scroll Technologies Co., Ltd.](https://appshunter.io/developer/1798866572) |

## What reviewers say

### DP

[App page](https://appshunter.io/ios/app/dp-select/id934888136)

This tool helps users configure and select DP pumps for their specific applications. It provides detailed product information, including technical specifications, hydraulic curves, and dimensions, based on your selection criteria.

**Highlights:** Intuitive product configuration, Selection via hydraulic data (Q, H), Replacement product comparison, Direct pump type selection, Technical specification sheets, Hydraulic curves, Dimensions and drawings

**In-app purchases:** none


### Invotech Compressors Selection

[App page](https://appshunter.io/ios/app/invotech-compressors-selection/id6742527478)

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

**In-app purchases:** none


## Frequently asked questions

### Is DP free?

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

### Is Invotech Compressors Selection free?

Invotech Compressors Selection is free to download, with no in-app purchases.

### Do DP or Invotech Compressors Selection have ads?

Neither DP nor Invotech Compressors Selection shows ads.

### Which is updated more often, DP or Invotech Compressors Selection?

DP ships an update every 16 months, and Invotech Compressors Selection monthly. Most recently, DP was updated on July 9, 2026 and Invotech Compressors Selection on September 6, 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.*