# Vastlabs App vs PromptFluent

The clearest difference is in-app purchases: PromptFluent at none against Vastlabs App's 8. PromptFluent also leads on ads (none vs shown). Vastlabs App's advantage is update cadence (fortnightly vs every 5 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Vastlabs App sells 8 one-off in-app purchases. PromptFluent asks for nothing beyond the download.

Vastlabs App ships an update fortnightly, PromptFluent every 5 months. The most recent releases landed on October 15, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Vastlabs App | PromptFluent |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 5 months |
| Size | 37 MB | 37 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [George Raphael](https://appshunter.io/developer/1453288135) | [Blueinstinct App Solutions](https://appshunter.io/developer/304880823) |

## What reviewers say

### Vastlabs App

[App page](https://appshunter.io/ios/app/vastlabs-app/id1662007120)

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| C Programming | $34.99 | one-time |
| HTML - Beginners Guide | $34.99 | one-time |
| CSS- Beginner's Guide | $69.99 | one-time |
| PHP - Beginners Guide | $89.99 | one-time |
| MySQL - Beginners Guide | $99.99 | one-time |
| Javascript - Beginners Guide | $99.99 | one-time |
| Beginner's Guide To Laravel | $149.99 | one-time |
| Mobile Application Development | $229.99 | one-time |


### PromptFluent

[App page](https://appshunter.io/ios/app/promptfluent-learn-ai/id6760666003)

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

**In-app purchases:** none


## Frequently asked questions

### Is Vastlabs App free?

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

### Is PromptFluent free?

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

### Do Vastlabs App or PromptFluent have ads?

Vastlabs App shows ads; PromptFluent does not.

### Which is updated more often, Vastlabs App or PromptFluent?

Vastlabs App ships an update fortnightly, and PromptFluent every 5 months. Most recently, Vastlabs App was updated on October 15, 2026 and PromptFluent on October 1, 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.*