Comparison

ASVAB Test Prep vs CBL Nudge

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

ASVAB Test Prep

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
Read full description

ASVAB Test Prep helps future service members prepare for the Armed Services Vocational Aptitude Battery with original practice questions. WHAT'S INCLUDED • Full bank of 1600+ practice questions covering eight subtests • Offline access: download once, practice anywhere • Gamified Game View: every question shown as a tile, color-coded to your last answer, with bookmark flags for review • Quick Start: rotates through your weakest categories • Review Incorrect and Review Flagged for focused drilling • Live accuracy and per-category mastery scores ACCESS TIERS • 48-Hour Access • 30-Day Access • Unlimited Access All purchases are one-time. None auto-renew. Each purchase adds to any remaining access you already have. SUBTESTS COVERED Arithmetic reasoning, word knowledge, paragraph comprehension, mathematics knowledge, general science, electronics information, auto and shop information, and mechanical comprehension. WHO IT'S FOR Anyone preparing for the ASVAB for military enlistment or career exploration. The ASVAB is administered by the United States Department of Defense. This app is not affiliated with, endorsed by, or sponsored by the U.S. Department of Defense or any branch of the United States Armed Forces. All practice questions are original content.

About

CBL Nudge

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
Read full description

Sometimes we struggle during the Challenge Based Learning process - this app provides nudges to help when you get stuck. Combining the concepts of Nudge theory and Brian Eno’s Oblique Strategies, CBL Nudge provides questions and activities for when you get stuck during the different phases of the Challenge Based Learning process. Navigate to the area where you are stuck, ask for a nudge and then follow the idea presented. If that one does not fit or work ask for a new nudge.

Screenshots

ASVAB Test Prep4 screens
CBL Nudge4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

ReceptionRating · Positive reviews · Number of ratings

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.

UpkeepUpdate frequency

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.

Scorecard7 real differences · 3 level
ASVAB Test Prep versus CBL Nudge: the parameters behind the verdict, then further details
ParameterASVAB Test PrepCBL Nudge
PriceFreeFree
Rating1.0 (3 ratings)5.0 (1 ratings) — better
Positive reviews65.0% of reviews—
Number of ratings3 — better1
Update frequencyEvery 119 monthsEvery 2 days — better
Ads—No
In-app purchasesYesNo — better
MonetizationFreemiumFree — better
Devices—iPhone, iPad, iPod — better
Requires iOS13.09.0 — better
Further details — not scored
Size32 MB18 MB
Age rating4+4+
DeveloperMed Preps LLCThe Challenge Institute

Customer experience

ASVAB Test Prep

Written reviews20 reviews
Positive65.0%
Neutral15.0%
Negative20.0%

CBL Nudge

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

4 purchases

ASVAB Test Prep

One-time4
  • 48-Hour Access$9.99
  • ASVAB Prep Pro Version$19.99
  • 30-Day Access$24.99
Show 1 more
  • Unlimited Access$44.99
None

CBL Nudge

No in-app purchases

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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