# Basic Engineering Dictionary vs KEN Institute

The clearest difference is in-app purchases: KEN Institute at none against Basic Engineering Dictionary's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Basic Engineering Dictionary sells 1 one-off in-app purchase. KEN Institute asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on November 5, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Basic Engineering Dictionary | KEN Institute |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (7 ratings)](https://appshunter.io/ios/app/basic-engineering-dictionary/id6746554325/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 88 MB | 71 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shital Gorasiya](https://appshunter.io/developer/1737199158) | [Gaurav Kumar](https://appshunter.io/developer/668561728) |

## What reviewers say

### Basic Engineering Dictionary

[App page](https://appshunter.io/ios/app/basic-engineering-dictionary/id6746554325)

Master engineering concepts with a comprehensive dictionary of over 11,000 terms, key equations, and formulas. Features interactive quizzes, a visual quick guide, and hands-free learning with autoplay mode. Ideal for students and professionals seeking to solidify their engineering knowledge.

**Highlights:** 11,000+ engineering terms, Key equations and formulas, Visual Quick Guide, Interactive quizzes, Autoplay mode for hands-free learning, User contributions

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Purchase | $3.99 | one-time |


### KEN Institute

[App page](https://appshunter.io/ios/app/ken-institute/id6748276880)

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

**In-app purchases:** none


## Frequently asked questions

### Is Basic Engineering Dictionary free?

Basic Engineering Dictionary is free to download, with in-app purchases available.

### Is KEN Institute free?

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

### Do Basic Engineering Dictionary or KEN Institute have ads?

Neither Basic Engineering Dictionary nor KEN Institute shows ads.

### Which is updated more often, Basic Engineering Dictionary or KEN Institute?

Basic Engineering Dictionary ships an update every 3 months, and KEN Institute every 3 months. Most recently, Basic Engineering Dictionary was updated on November 5, 2026 and KEN Institute on November 8, 2026.

---

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