Comparison

First Sounds vs 재료학왁스

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

Head to head
About

First Sounds

Read full description

Help your child practise first sounds, syllables, and everyday words at home. FirstSound combines playful voice activities, clear visual feedback, and parent-created practice in one calm, child-friendly app. FEATURES - Guided word and syllable activities with simple prompts - Everyday words for needs, choices, and feelings - A live loudness meter with clear green-zone feedback - Voice-reactive AR activities - Separate child profiles, history, and free PDF reports - Custom words and syllables with your own picture and parent voice recording - Interface in 16 supported languages and Parent Gate for purchases or external links - Works offline and requires no FirstSound account PRO SUBSCRIPTION - Full practice catalog and AR activities - Create words and syllables tailored to your child - Add an image from your photo library and record a familiar parent voice - Eligible users can receive a three-day free trial - Subscription renews automatically unless cancelled PRIVACY AND SAFETY FirstSound is for home practice and is not a medical device. The microphone measures live loudness during activities. A voice recording is stored only when a parent chooses to create one. When iCloud is available, progress, parent-created activities, pictures, and recordings are backed up only to the user's private iCloud account. FirstSound cannot access them. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

재료학왁스

Features
Read full description

이 앱은 치과기공 재료학을 공부하는 학생과 종사자를 위한 치과용 왁스(Dental Waxes) 학습용 정리 및 문제풀이 앱입니다. 단순 암기부터 실무 응용 개념까지 난이도별로 구성된 문제를 풀면서, 인레이 왁스(Inlay wax), 주조용 왁스(Casting wax), 기초상 왁스(Baseplate wax) 등 왁스 재료의 핵심 성질과 분류를 체계적으로 익힐 수 있습니다. [주요 기능] 회차별 문제풀이 모드: 성분, 패턴 왁스, 가공용 왁스 등 단계별 학습 & 복습에 최적화 한글·영문 병기: 국시 및 임상 필수 국제 용어(English Terminology)와 함께 학습 문제 풀이 기록: 나의 학습 진도와 취약 부분을 한눈에 파악 가능 직관적인 인터페이스: 복잡한 설정 없이 깔끔하고 빠른 진행 치과기공재료학 국시 합격을 위한 개념 정리에 꼭 필요한 필수 앱! 지금 바로 다운로드하고, 까다로운 왁스(Wax) 파트를 완벽히 정리해 보세요.

Screenshots

First Sounds4 screens
재료학왁스4 screens

Verdict

The call

The clearest difference is in-app purchases: 재료학왁스 at none against First Sounds's 1. 재료학왁스 also leads on update cadence (every 4 days vs every 3 weeks). On price, ads, device support and iOS requirement 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. First Sounds sells 1 one-off in-app purchase. 재료학왁스 asks for nothing beyond the download.

UpkeepUpdate frequency

First Sounds ships an update every 3 weeks, 재료학왁스 every 4 days. Both last shipped on October 30, 2026.

Scorecard2 real differences · 4 level
First Sounds versus 재료학왁스: the parameters behind the verdict, then further details
ParameterFirst Sounds재료학왁스
PriceFreeFree
Update frequencyEvery 3 weeksEvery 4 days — better
AdsNoNo
In-app purchasesYesNo — better
DevicesiPhoneiPhone, iPad — better
Requires iOS17.017.0
Further details — not scored
Size40 MB1 MB
Age rating4+4+
DeveloperValeriia ShchelkanovaNexture Creative

In-app purchases

1 purchases

First Sounds

One-time1
  • Pro Unlock$5.99
None

재료학왁스

No in-app purchases

Questions

Is First Sounds free?
First Sounds is free to download, with in-app purchases available.
Is 재료학왁스 free?
재료학왁스 is free to download, with no in-app purchases.
Do First Sounds or 재료학왁스 have ads?
Neither First Sounds nor 재료학왁스 shows ads.
Which is updated more often, First Sounds or 재료학왁스?
First Sounds ships an update every 3 weeks, and 재료학왁스 every 4 days. Most recently, First Sounds was updated on October 30, 2026 and 재료학왁스 on October 30, 2026.

Other comparisons