# Babbage vs Prometheus, the insightful app

The clearest difference is in-app purchases: Babbage at none against Prometheus, the insightful app's 1. Prometheus, the insightful app's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Prometheus, the insightful app sells 1 in-app purchase, starting at $49.99 per year. Babbage asks for nothing beyond the download.

## The numbers

| Metric | Babbage | Prometheus, the insightful app |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.4 (5 ratings)](https://appshunter.io/ios/app/prometheus-the-insightful-app/id6469708855/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | — | Every 3 days |
| Monetization | — | Free with in-app purchases |
| Size | 7 MB | 112 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [GwynCon Ltd](https://appshunter.io/developer/594369768) | [Vocabulous US Inc.](https://appshunter.io/developer/1767112343) |

## What reviewers say

### Babbage

[App page](https://appshunter.io/ios/app/babbage/id6458191543)

**Features:** macOS Compatibility

**In-app purchases:** none


### Prometheus, the insightful app

[App page](https://appshunter.io/ios/app/prometheus-the-insightful-app/id6469708855)

Enhance your English vocabulary with daily curated words and engaging learning methods. Explore illustrated definitions, upgrade phrases, and delve into profound insights from a respected dictionary. Compete with others and track your progress on a personalized linguistic journey.

**Highlights:** Daily curated word selections, Illustrated definitions, Phrase upgrading, Olympian Lexicon insights, Adaptive learning, Word duels and leaderboards

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual Premium Subscription | $49.99 | per year |


## Frequently asked questions

### Is Babbage free?

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

### Is Prometheus, the insightful app free?

Prometheus, the insightful app is free to download, with in-app purchases available.

### Do Babbage or Prometheus, the insightful app have ads?

Babbage shows ads; Prometheus, the insightful app does not.

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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.*