# Flaaash vs Numvolt

The clearest difference is iOS requirement: Flaaash at 15.0 against Numvolt's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Flaaash sells 2 in-app purchases, starting at $5.99 per month and Numvolt sells 3 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Flaaash ships an update every 5 days, Numvolt every 3 days. The most recent releases landed on October 31, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Flaaash | Numvolt |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/numvolt-mental-math-practice/id6809142973/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 3 days** |
| Monetization | — | Free with in-app purchases |
| Size | 6 MB | 49 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SuperNeat](https://appshunter.io/developer/1678767821) | [ROMEO ILARIO FLAVIO GAMBINO](https://appshunter.io/developer/1874823696) |

## What reviewers say

### Flaaash

[App page](https://appshunter.io/ios/app/flaaash-read-and-learn-faster/id6800640075)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $5.99 | per month |
| Annual | $49.99 | per year |


### Numvolt

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

Enhance your arithmetic, fractions, and algebra skills with engaging drills and clear, step-by-step solutions. Practice in timed sprints or a relaxed Zen mode, and track your progress across numerous topics. Compete globally or challenge a friend on a single device.

**Highlights:** Arithmetic, fractions, percentages, algebra training, Timed sprints and Zen mode, Step-by-step solution explanations, Global and local leaderboards, Two-player duel mode, Progress tracking and Home Screen widget

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Numvolt Pro Weekly | $2.99 | per 7 days |
| Numvolt Pro Yearly | $14.99 | per year |
| Numvolt Pro | $24.99 | one-time |


## Frequently asked questions

### Is Flaaash free?

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

### Is Numvolt free?

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

### Do Flaaash or Numvolt have ads?

Neither Flaaash nor Numvolt shows ads.

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

Flaaash ships an update every 5 days, and Numvolt every 3 days. Most recently, Flaaash was updated on October 31, 2026 and Numvolt on November 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*