Comparison

SmileLine Dental vs CDA Test Prep

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

Head to head
About

SmileLine Dental

This app helps you manage your dental health by tracking treatments, appointments, and referrals. It features an interactive dental chart and allows you to store all your dental history in one place.

Highlights
  • Interactive dental chart
  • Track pending treatments
  • Complete treatment history
  • Organize specialist referrals
  • Attach photos to referrals
  • Backup and restore data
Features
Read full description

SmileLine is your personal dental treatment tracker — designed to help you stay on top of every procedure, referral, and appointment with ease. Whether you're managing ongoing treatments, tracking your dental history, or keeping specialist referrals organized, SmileLine puts everything at your fingertips with an intuitive, beautifully designed interface. Features: - Interactive dental chart with all 32 teeth mapped for easy visual tracking - Track pending treatments with procedure details, provider info, and dates - Complete treatment history organized by tooth with a visual timeline - Specialist referrals sorted by category including Orthodontics, Endodontics, Oral Surgery, and more - Attach photos to referrals for quick reference - Mark missing teeth directly on the dental chart - Backup and restore your data to keep it safe - Edit any record at any time - Clean, modern interface designed for simplicity SmileLine was built for patients who want to stay organized about their dental health. No more lost paperwork, forgotten referrals, or missed treatment details. Everything you need, perfectly aligned.

About

CDA Test Prep

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CDA Test Prep helps dental assistants prepare for the DANB Certified Dental Assistant (CDA) certification exam with practice questions. WHAT'S INCLUDED • Full bank of practice questions covering every category • 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. CATEGORIES COVERED general chairside assisting, radiation health and safety, and infection control, spanning all eleven content areas of the CDA exam. WHO IT'S FOR Dental assistants preparing for the DANB Certified Dental Assistant (CDA) certification or recertification exam. CDA® and DANB® are registered trademarks of the Dental Assisting National Board, Inc. This app is not affiliated with, endorsed by, or sponsored by DANB. All practice questions are original content written for the CDA exam's general chairside assisting, radiation health and safety, and infection control components.

Screenshots

SmileLine Dental4 screens
CDA Test Prep4 screens

Verdict

The call

The clearest difference is in-app purchases: SmileLine Dental at none against CDA Test Prep's 3. CDA Test Prep's advantage is update cadence (daily vs every 3 weeks) and iOS requirement (13.0 vs 15.0). On price, ads and device support 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. CDA Test Prep sells 3 one-off in-app purchases. SmileLine Dental asks for nothing beyond the download.

UpkeepUpdate frequency

SmileLine Dental ships an update every 3 weeks, CDA Test Prep daily. The most recent releases landed on October 9, 2026 and October 25, 2026 respectively.

Scorecard3 real differences · 6 level
SmileLine Dental versus CDA Test Prep: the parameters behind the verdict, then further details
ParameterSmileLine DentalCDA Test Prep
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 3 weeksDaily — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size18 MB32 MB
Age rating4+12+
DeveloperSarah BehmaneshMed Preps LLC

In-app purchases

None

SmileLine Dental

No in-app purchases

3 purchases

CDA Test Prep

One-time3
  • 48-Hour Access$19.99
  • 30-Day Access$39.99
  • Unlimited Access$59.99

Questions

Is SmileLine Dental free?
SmileLine Dental is free to download, with no in-app purchases.
Is CDA Test Prep free?
CDA Test Prep is free to download, with in-app purchases available.
Do SmileLine Dental or CDA Test Prep have ads?
Neither SmileLine Dental nor CDA Test Prep shows ads.
Which is updated more often, SmileLine Dental or CDA Test Prep?
SmileLine Dental ships an update every 3 weeks, and CDA Test Prep daily. Most recently, SmileLine Dental was updated on October 9, 2026 and CDA Test Prep on October 25, 2026.

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