# VSD vs Waapi

The clearest difference is review sentiment: VSD at 100% against Waapi's 33%. VSD also leads on iOS requirement (5.1.1 vs 15). Waapi's advantage is update cadence (fortnightly vs every 4 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

VSD ships an update every 4 months, Waapi fortnightly. The most recent releases landed on October 7, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | VSD | Waapi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (186 ratings)](https://appshunter.io/ios/app/waapi/id1594233493/reviews)** |
| Number of ratings | — | **186** |
| Positive reviews | **100.0% of reviews** | 32.6% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | Free | Free |
| Size | 12 MB | 108 MB |
| Requires iOS | **5.1.1** | 15 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | +4 |
| Developer | [WEG Equipamentos Eletricos S/A](https://appshunter.io/developer/575847223) | [Senior Sistemas S/A](https://appshunter.io/developer/551710998) |

## What reviewers say

### VSD

[App page](https://appshunter.io/ios/app/vsd/id870738522)

This application assists in selecting the appropriate frequency inverter (VSD) for your specific needs. Input basic motor data to find the best WEG inverter option and request further information or quotes.

**Highlights:** Frequency inverter sizing, Motor data input, WEG inverter family selection, Product information request, Quotation request

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

**In-app purchases:** none


### Waapi

[App page](https://appshunter.io/ios/app/waapi/id1594233493)

Access your employee information, including financial data, professional profile, and vacation details. Schedule vacations, search for colleagues, and share feedback. Stay informed with push notifications about company events and birthdays.

**Highlights:** Financial data access, Profile management, People search, Vacation scheduling, Feedback sharing, Birthday and anniversary tracking, Happiness index reporting

**In-app purchases:** none


## Frequently asked questions

### Is VSD free?

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

### Is Waapi free?

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

### Do VSD or Waapi have ads?

Neither VSD nor Waapi shows ads.

### Which is updated more often, VSD or Waapi?

VSD ships an update every 4 months, and Waapi fortnightly. Most recently, VSD was updated on October 7, 2026 and Waapi on October 13, 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.*