# Numvolt vs InovaQB

The clearest difference is update cadence: Numvolt at every 2 days against InovaQB's every 2 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Numvolt sells 2 in-app purchases, starting at $14.99 per year and InovaQB sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Numvolt ships an update every 2 days, InovaQB every 2 weeks. Both last shipped on October 29, 2026.

## The numbers

| Metric | Numvolt | InovaQB |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/numvolt-mental-math-trainer/id6809142973/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 44 MB | 36 MB |
| Requires iOS | 17.0 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [ROMEO ILARIO FLAVIO GAMBINO](https://appshunter.io/developer/1874823696) | [Celvimed Lda](https://appshunter.io/developer/6813492501) |

## What reviewers say

### Numvolt

[App page](https://appshunter.io/ios/app/numvolt-mental-math-trainer/id6809142973)

Enhance your mental math skills with a comprehensive trainer offering 15 topics and 150 levels each. Learn fastest calculation methods, track progress, and compete globally. Features include daily challenges, duels, and a home screen widget.

**Highlights:** 15 topics, 150 levels each, Fastest calculation method explanations, Daily challenges and sprints, Global ladder rankings, Two-player duels, Progress tracking and home screen widget

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Numvolt Pro Yearly | $14.99 | per year |
| Numvolt Pro | $24.99 | one-time |


### InovaQB

[App page](https://appshunter.io/ios/app/inovaqb/id6813824652)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium 6 meses | $69.99 | one-time |
| Premium 12 meses | $119.99 | one-time |
| Premium até à PNA 2027 | $119.99 | one-time |


## Frequently asked questions

### Is Numvolt free?

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

### Is InovaQB free?

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

### Do Numvolt or InovaQB have ads?

Neither Numvolt nor InovaQB shows ads.

### Which is updated more often, Numvolt or InovaQB?

Numvolt ships an update every 2 days, and InovaQB every 2 weeks. Most recently, Numvolt was updated on October 29, 2026 and InovaQB on October 29, 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.*