# Monsty vs Flash Vocal

The clearest difference is price: Flash Vocal at Free against Monsty's $2.99. Flash Vocal also leads on update cadence (weekly vs every 6 weeks). Monsty's advantage is in-app purchases (none vs 8). On ads, device support and iOS requirement there is nothing between them.

Flash Vocal is free to download; Monsty costs $2.99 up front. Flash Vocal sells 8 in-app purchases, starting at $3.99 per month. Monsty asks for nothing beyond the download.

Monsty ships an update every 6 weeks, Flash Vocal weekly. The most recent releases landed on October 20, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Monsty | Flash Vocal |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Weekly** |
| Size | 29 MB | 164 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [PATRICIA SAUER](https://appshunter.io/developer/1697710298) | [AKISTO Software](https://appshunter.io/developer/1638766096) |

## What reviewers say

### Monsty

[App page](https://appshunter.io/ios/app/monsty-first-math/id6738328693)

**Features:** macOS Compatibility

**In-app purchases:** none


### Flash Vocal

[App page](https://appshunter.io/ios/app/flash-vocal-addition/id6806861157)

**Features:** macOS Compatibility

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Family – 1 month | $3.99 | per month |
| Education – 1 month | $8.99 | per month |
| Family – 3 months | $8.99 | per 3 months |
| Family – 6 months | $14.99 | per 6 months |
| Education – 3 months | $22.99 | per 3 months |
| Family – 1 year | $22.99 | per year |
| Education – 6 months | $34.99 | per 6 months |
| Education – 1 year | $49.99 | per year |


## Frequently asked questions

### Is Monsty free?

Monsty costs $2.99, with no in-app purchases.

### Is Flash Vocal free?

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

### Do Monsty or Flash Vocal have ads?

Neither Monsty nor Flash Vocal shows ads.

### Which is updated more often, Monsty or Flash Vocal?

Monsty ships an update every 6 weeks, and Flash Vocal weekly. Most recently, Monsty was updated on October 20, 2026 and Flash Vocal on October 26, 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.*