# COMQUEST COMLEX vs CATALYST for Learning

The clearest difference is in-app purchases: CATALYST for Learning at none against COMQUEST COMLEX's 17. CATALYST for Learning also leads on iOS requirement (10.0 vs 14.0). COMQUEST COMLEX's advantage is update cadence (every 2 months vs every 48 months). On price, ads and device support there is nothing between them.

Both are free to download. COMQUEST COMLEX sells 17 one-off in-app purchases. CATALYST for Learning asks for nothing beyond the download.

COMQUEST COMLEX ships an update every 2 months, CATALYST for Learning every 48 months. The most recent releases landed on June 10, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | COMQUEST COMLEX | CATALYST for Learning |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (142 ratings)](https://appshunter.io/ios/app/comquest-comlex-comat/id1115705682/reviews)** | — |
| Number of ratings | **142** | — |
| Positive reviews | 41.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 48 months |
| Monetization | Free with in-app purchases | — |
| Size | 31 MB | 4 MB |
| Requires iOS | 14.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [COMQUEST Osteopathic Specialists, LLC](https://appshunter.io/developer/1108288743) | [Internet Testing Systems (ITS)](https://appshunter.io/developer/546817214) |

## What reviewers say

### COMQUEST COMLEX

[App page](https://appshunter.io/ios/app/comquest-comlex-comat/id1115705682)

Prepare for COMLEX and COMAT exams with practice questions and detailed explanations created by osteopathic physicians. Features include customizable exam modes, question filtering by status or specialty, and performance tracking against peers. Review past exams, add notes, and monitor answer changes to solidify your knowledge.

**Highlights:** Customizable exam modes (tutor, timed, untimed), Question filtering by status and specialty, Performance review against peers, Note-taking on questions and explanations, Answer change tracking (ChoiceTrax), Review of marked and guessed questions

**Features:** macOS Compatibility

**In-app purchases (17)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Emergency Med COMAT 1 month | $87.90 | one-time |
| Family Medicine COMAT 1 month | $87.90 | one-time |
| Internal Med COMAT 1 month | $87.90 | one-time |
| OMM COMAT 1 month | $87.90 | one-time |
| Pediatrics COMAT 1 month | $87.90 | one-time |
| Surgery COMAT 1 month | $87.90 | one-time |
| Ob/Gyn COMAT 1 month | $87.90 | one-time |
| Psychiatry COMAT 1 month | $87.90 | one-time |
| Internal Med COMAT 2 months | $113.99 | one-time |
| Family Medicine COMAT 2 months | $113.99 | one-time |
| COMLEX Level 2-CE 1 month | $234.99 | one-time |
| COMLEX 3 Level 1 month | $234.99 | one-time |
| COMLEX 3 Level 2 months | $350.00 | one-time |
| COMLEX Level 2-CE 3 months | $429.00 | one-time |
| COMLEX 3 Level 3 months | $429.00 | one-time |
| COMLEX 3 Level 6 months | $509.00 | one-time |
| COMLEX 3 Level 1 year | $639.00 | one-time |


### CATALYST for Learning

[App page](https://appshunter.io/ios/app/catalyst-for-learning/id1469065092)

**In-app purchases:** none


## Frequently asked questions

### Is COMQUEST COMLEX free?

COMQUEST COMLEX is free to download, with in-app purchases available.

### Is CATALYST for Learning free?

CATALYST for Learning is free to download, with no in-app purchases.

### Do COMQUEST COMLEX or CATALYST for Learning have ads?

Neither COMQUEST COMLEX nor CATALYST for Learning shows ads.

### Which is updated more often, COMQUEST COMLEX or CATALYST for Learning?

COMQUEST COMLEX ships an update every 2 months, and CATALYST for Learning every 48 months. Most recently, COMQUEST COMLEX was updated on June 10, 2026 and CATALYST for Learning on September 10, 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.*