# CLS Lean Specialist Exam Prep vs AI Essentials Learning Hub

The clearest difference is in-app purchases: AI Essentials Learning Hub at none against CLS Lean Specialist Exam Prep's 9. AI Essentials Learning Hub also leads on iOS requirement (13.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. CLS Lean Specialist Exam Prep sells 9 in-app purchases, starting at $8.99 per 7 days. AI Essentials Learning Hub asks for nothing beyond the download.

## The numbers

| Metric | CLS Lean Specialist Exam Prep | AI Essentials Learning Hub |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/cls-lean-specialist-exam-prep/id6743373867/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 51 MB | 51 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Exam Prep OU](https://appshunter.io/developer/1689642184) | [Disha Thummar](https://appshunter.io/developer/1874186683) |

## What reviewers say

### CLS Lean Specialist Exam Prep

[App page](https://appshunter.io/ios/app/cls-lean-specialist-exam-prep/id6743373867)

Prepare for your Certified Lean Specialist (CLS) exam with this comprehensive study tool. It offers a vast question bank, detailed explanations, progress tracking, and simulated exams to help you master Lean principles and achieve certification.

**Highlights:** Extensive question bank, Detailed answer explanations, Progress tracking, Customizable study plans, Simulated exam mode, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CLS Weekly Full Access | $8.99 | per 7 days |
| CLS Monthly Full Access | $24.99 | per month |
| CLS Monthly Full Access | $24.99 | per month |
| CLS Quarterly Full Access | $55.99 | per 3 months |
| CLS Quarterly Full Access | $55.99 | per 3 months |
| CLS Semiannual Full Access | $75.99 | per 6 months |
| CLS Semiannual Full Access | $75.99 | per 6 months |
| CLS Annual Full Access | $109.99 | per year |
| CLS Annual Full Access | $109.99 | per year |


### AI Essentials Learning Hub

[App page](https://appshunter.io/ios/app/ai-essentials-learning-hub/id6788803363)

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

**In-app purchases:** none


## Frequently asked questions

### Is CLS Lean Specialist Exam Prep free?

CLS Lean Specialist Exam Prep is free to download, with in-app purchases available.

### Is AI Essentials Learning Hub free?

AI Essentials Learning Hub is free to download, with no in-app purchases.

### Do CLS Lean Specialist Exam Prep or AI Essentials Learning Hub have ads?

Neither CLS Lean Specialist Exam Prep nor AI Essentials Learning Hub shows ads.

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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.*