# ASVAB Test Prep vs CBL Nudge

The clearest difference is rating: CBL Nudge at 5.0 against ASVAB Test Prep's 1.0. CBL Nudge also leads on in-app purchases (none vs 4) and update cadence (every 2 days vs every 119 months). ASVAB Test Prep's advantage is ratings volume (3 vs 1). On price there is nothing between them.

Both are free to download. ASVAB Test Prep sells 4 one-off in-app purchases. CBL Nudge asks for nothing beyond the download.

CBL Nudge holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

ASVAB Test Prep ships an update every 119 months, CBL Nudge every 2 days. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | ASVAB Test Prep | CBL Nudge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (3 ratings)](https://appshunter.io/ios/app/asvab-test-prep/id624051854/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cbl-nudge/id1403826548/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | 65.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | — | No |
| Update frequency | Every 119 months | **Every 2 days** |
| Monetization | Freemium | **Free** |
| Size | 32 MB | 18 MB |
| Requires iOS | 13.0 | **9.0** |
| Devices | — | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Med Preps LLC](https://appshunter.io/developer/537568868) | [The Challenge Institute](https://appshunter.io/developer/1439705849) |

## What reviewers say

### ASVAB Test Prep

[App page](https://appshunter.io/ios/app/asvab-test-prep/id624051854)

Prepare for your ASVAB exam with over 850 practice questions covering various subjects. Study offline and access content that reflects current armed services standards. Upgrade to the PRO version for full access to all practice questions.

**Highlights:** 850+ practice questions, Offline study mode, Content updated to current standards, Mimics real ASVAB question style, Covers multiple subject areas

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 48-Hour Access | $9.99 | one-time |
| ASVAB Prep Pro Version | $19.99 | one-time |
| 30-Day Access | $24.99 | one-time |
| Unlimited Access | $44.99 | one-time |


### CBL Nudge

[App page](https://appshunter.io/ios/app/cbl-nudge/id1403826548)

This app offers prompts and activities inspired by Nudge theory and Oblique Strategies to help users overcome challenges in the Challenge Based Learning process. When you encounter a roadblock, request a nudge and follow the suggested idea, or ask for a new one if it doesn't fit.

**Highlights:** Nudge theory inspiration, Oblique Strategies integration, Challenge Based Learning support, Problem-solving prompts, Activity suggestions, Stuck phase navigation

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ASVAB Test Prep free?

ASVAB Test Prep is free to download, with in-app purchases available.

### Is CBL Nudge free?

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

### Which has better reviews, ASVAB Test Prep or CBL Nudge?

CBL Nudge is rated higher. ASVAB Test Prep averages 1.0 out of 5 from 3 ratings, while CBL Nudge averages 5.0 from 1 ratings.

### Which is updated more often, ASVAB Test Prep or CBL Nudge?

ASVAB Test Prep ships an update every 119 months, and CBL Nudge every 2 days. Most recently, ASVAB Test Prep was updated on November 1, 2026 and CBL Nudge on November 2, 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.*