# Keywords Understanding Lite vs CMP Exam by Rocket Prep 2026

The clearest difference is in-app purchases: Keywords Understanding Lite at none against CMP Exam by Rocket Prep 2026's 6. Keywords Understanding Lite also leads on ratings volume (3 vs 1). CMP Exam by Rocket Prep 2026's advantage is update cadence (every 6 months vs every 68 months). On price, rating, ads and device support there is nothing between them.

Both are free to download. CMP Exam by Rocket Prep 2026 sells 6 in-app purchases, starting at $8.99 per 7 days. Keywords Understanding Lite asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Keywords Understanding Lite against 5.0 for CMP Exam by Rocket Prep 2026. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

Keywords Understanding Lite ships an update every 68 months, CMP Exam by Rocket Prep 2026 every 6 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Keywords Understanding Lite | CMP Exam by Rocket Prep 2026 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/keywords-understanding-lite/id1537440607/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/cmp-exam-by-rocket-prep-2026/id6748520700/reviews) |
| Number of ratings | **3** | 1 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 68 months | **Every 6 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 60 MB | 39 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aptus Speech and Language Therapy Limited](https://appshunter.io/developer/1482673468) | [Darya Pyzhyk](https://appshunter.io/developer/1799009188) |

## What reviewers say

### Keywords Understanding Lite

[App page](https://appshunter.io/ios/app/keywords-understanding-lite/id1537440607)

This app offers a sample of speech and language therapy exercises focused on sentence comprehension. It helps users practice following directions, understanding basic concepts, and improving auditory and reading comprehension skills through interactive activities.

**Highlights:** Listening comprehension exercises, Reading comprehension exercises, Following directions (one/two-step, temporal, sequential), Basic concepts (size, color), Vocabulary understanding, Sample of full app features

**Features:** macOS Compatibility

**In-app purchases:** none


### CMP Exam by Rocket Prep 2026

[App page](https://appshunter.io/ios/app/cmp-exam-by-rocket-prep-2026/id6748520700)

Prepare for the Certified Meeting Professional (CMP) exam with this comprehensive study resource. It offers a vast question bank, detailed explanations, customizable study modes, and progress tracking to help you master event management concepts and advance your career.

**Highlights:** Extensive question bank, Detailed explanations, Customizable study modes, Progress tracking, Expert-led review resources, Active learning tools, Offline access

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CMP Exam Weekly Full Access | $8.99 | per 7 days |
| CMP Exam Monthly Full Access | $22.99 | per month |
| CMP Exam Monthly Full Access | $27.99 | per month |
| CMP_mock_tries_1 | $4.99 | one-time |
| CMP_mock_tries_3 | $9.99 | one-time |
| CMP_mock_tries_5 | $14.99 | one-time |


## Frequently asked questions

### Is Keywords Understanding Lite free?

Keywords Understanding Lite is free to download, with no in-app purchases.

### Is CMP Exam by Rocket Prep 2026 free?

CMP Exam by Rocket Prep 2026 is free to download, with in-app purchases available.

### Which has better reviews, Keywords Understanding Lite or CMP Exam by Rocket Prep 2026?

Keywords Understanding Lite and CMP Exam by Rocket Prep 2026 are both rated 5.0 out of 5 on the App Store, from 3 and 1 ratings respectively.

### Do Keywords Understanding Lite or CMP Exam by Rocket Prep 2026 have ads?

Neither Keywords Understanding Lite nor CMP Exam by Rocket Prep 2026 shows ads.

### Which is updated more often, Keywords Understanding Lite or CMP Exam by Rocket Prep 2026?

Keywords Understanding Lite ships an update every 68 months, and CMP Exam by Rocket Prep 2026 every 6 months. Most recently, Keywords Understanding Lite was updated on November 3, 2026 and CMP Exam by Rocket Prep 2026 on October 30, 2026.

---

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