Comparison

Dayword vs Study Bubble

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

Head to head
About

Dayword

Learn Chinese vocabulary effortlessly by glancing at your phone's lock screen. This app offers daily word exposure with pronunciation, meaning, and example sentences, adapting to your HSK level. Track your progress and build a strong foundation for daily communication.

Highlights
  • Lock screen widgets for daily learning
  • HSK level-aware vocabulary
  • Spaced review system
  • Pronunciation audio and example sentences
  • Progress tracking and streaks
  • Multiple vocabulary decks
Features
Read full description

The average person picks up their phone 144 to 186 times per day. Turn those moments into Chinese learning opportunities. Learn every time you glance at your lock screen. No textbooks. No long lessons. No pressure. Learn practical Chinese vocabulary. See characters, pinyin and meaning, hear pronunciation, read an example sentence, and remember each word with simple spaced review. Start with a short placement check so Dayword can focus new vocabulary around your current HSK level while occasionally checking important foundations. Track your progress through the HSK ladder and keep Chinese visible throughout the day with Lock Screen and Home Screen widgets. Dayword includes a family-safe curriculum of more than 10,000 words derived from the HSK 2025 vocabulary, with focused decks for daily Chinese, HSK study, travel, signs, school, and work. Features: - Placement check with 1, 3, and 5-minute options - Level-aware daily vocabulary - Simplified and traditional character display - Pinyin and concise English meanings - Pronunciation audio and example sentences - Spaced review with Again and Got it grading - Progress ladder and activity streak - HSK, daily, travel, signs, school, and work decks - Local progress storage with no account required - Lock Screen and Home Screen widgets Note: Dayword requires a paid subscription. You can manage or cancel your subscription anytime in your App Store account settings after purchase. Subscriptions renew automatically unless canceled at least 24 hours before the end of the current billing period. Terms of use: https://www.dayword.app/terms Privacy policy: https://www.dayword.app/privacy

About

Study Bubble

Create a cozy and enjoyable study environment with this app. It offers various timer modes, task management, and planning tools to help you stay organized and focused. Personalize your study space with a virtual companion.

Highlights
  • Pomodoro timer with breaks
  • Freestyle study timer
  • Task management
  • Daily planning
  • Cozy study room with companion
Features
Read full description

Study Bubble is a cozy study space designed to make focusing feel a little more enjoyable. Stay organized, choose your study style, and make your study time your own. Features: Pomodoro- A timer you can set with automatic short and long breaks! Flow- Freestyle timer for you to study as much as you want! Task- Add, complete, manage your day with these tasks! Planning- Keep track of what you want to accomplish Cozy Study Room- A space where you and your bear companion can both focus! Whether you're working on homework, reviewing notes, or simply trying to stay focused, Study Bubble gives you a simple, cozy place to study.

Screenshots

Dayword4 screens
Study Bubble4 screens

Verdict

The call

The clearest difference is rating: Study Bubble at 5.0 against Dayword's 4.5. Study Bubble also leads on ads (none vs shown) and monetization model (free vs free with in-app purchases). Dayword's advantage is ratings volume (13 vs 2) and iOS requirement (16.4 vs 26.5). On price, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Study Bubble holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Dayword has 13 ratings behind it against 2, so its average is the more settled of the two.

Scorecard5 real differences · 5 level
Dayword versus Study Bubble: the parameters behind the verdict, then further details
ParameterDaywordStudy Bubble
PriceFreeFree
Rating4.5 (13 ratings)5.0 (2 ratings) — better
Positive reviews37.5% of reviews—
Number of ratings13 — better2
Update frequencyEvery 4 days—
AdsYesNo — better
In-app purchasesNoNo
MonetizationFree with in-app purchasesFree — better
DevicesiPhoneiPhone, iPad — better
Requires iOS16.4 — better26.5
Further details — not scored
Size117 MB1 MB
Age rating4+4+
DeveloperDumpling AI Pty LtdYu-Ning Hsu

Customer experience

Dayword

All ratings13 ratings
Positive84.6%
Neutral0.0%
Negative15.4%
Written reviews8 reviews
Positive37.5%
Neutral0.0%
Negative62.5%

Study Bubble

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Dayword

No in-app purchases

None

Study Bubble

No in-app purchases

Questions

Is Dayword free?
Dayword is free to download, with no in-app purchases.
Is Study Bubble free?
Study Bubble is free to download, with no in-app purchases.
Which has better reviews, Dayword or Study Bubble?
Study Bubble is rated higher. Dayword averages 4.5 out of 5 from 13 ratings, while Study Bubble averages 5.0 from 2 ratings.
Do Dayword or Study Bubble have ads?
Dayword shows ads; Study Bubble does not.

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