# OPUMP vs Velocomp Wireless

The clearest difference is price: OPUMP at Free against Velocomp Wireless's $0.99. OPUMP also leads on ratings volume (4 vs 1) and iOS requirement (11.0 vs 15.6). Velocomp Wireless's advantage is rating (5.0 vs 1.3) and chart position (#66 vs unranked). On update cadence, ads, in-app purchases and device support there is nothing between them.

OPUMP is free to download; Velocomp Wireless costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Velocomp Wireless holds the better App Store score, 5.0 against 1.3. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 7, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | OPUMP | Velocomp Wireless |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [1.3 (4 ratings)](https://appshunter.io/ios/app/opump/id1594124405/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/velocomp-wireless/id6746685512/reviews)** |
| Number of ratings | **4** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | **Free** | Paid |
| Best chart rank | — | **#66** |
| Size | 574 MB | 75 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Light&Move Tech Co., Ltd](https://appshunter.io/developer/1567853593) | [Velocomp](https://appshunter.io/developer/369550721) |

## What reviewers say

### OPUMP

[App page](https://appshunter.io/ios/app/opump/id1594124405)

This intelligent breathing trainer helps you test inspiratory capacity, engage in guided breathing exercises, and track your progress. It offers various training methods, historical data analysis, and even a breathing training game and course. It is not a medical device but provides reference data for app content.

**Highlights:** Test inspiratory and expiratory vital capacity, Various breathing training methods, Analysis of historical breathing records, Breathing training game, Breathing training course

**Features:** macOS Compatibility

**In-app purchases:** none


### Velocomp Wireless

[App page](https://appshunter.io/ios/app/velocomp-wireless/id6746685512)

**Currently charting:** #66 Top Paid · Health & Fitness (US App Store)

This app wirelessly connects to compatible power meters to display and analyze cycling power and ride data on your iOS device. It allows for bike profile management and direct emailing of ride data, offering on-the-go analysis without a computer connection.

**Highlights:** Wireless connection to power meters, Real-time power and ride data display, Ride data analysis and graphing, Bike profile setup and modification, Email ride data to computer, CdA testing functionality for AeroPod owners

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

**In-app purchases:** none


## Frequently asked questions

### Is OPUMP free?

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

### Is Velocomp Wireless free?

Velocomp Wireless costs $0.99, with no in-app purchases.

### Which has better reviews, OPUMP or Velocomp Wireless?

Velocomp Wireless is rated higher. OPUMP averages 1.3 out of 5 from 4 ratings, while Velocomp Wireless averages 5.0 from 1 ratings.

### Do OPUMP or Velocomp Wireless have ads?

Neither OPUMP nor Velocomp Wireless shows ads.

### Which is updated more often, OPUMP or Velocomp Wireless?

OPUMP ships an update every 2 months, and Velocomp Wireless every 2 months. Most recently, OPUMP was updated on October 7, 2026 and Velocomp Wireless on October 5, 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.*