Comparison

Integrate Reading & Writing Basic 1 vs 333 Sentences

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

Head to head
About

Integrate Reading & Writing Basic 1

This educational app makes learning English enjoyable for students through interactive games and avatar customization. It allows easy sharing of progress with teachers via email, eliminating the need for complex learning management systems.

Highlights
  • Interactive English learning games
  • Avatar customization and point system
  • Email progress reports to teachers
  • Cross-platform PC and mobile use
  • Motivating learning activities
Features
Read full description

Class Booster Stop using complicated and boring online tools to learn English! With Class Booster, students can have fun learning on a mobile device and easily email their results to their teacher! 1. Use on PC and mobile devices Install the app on a PC using the CD included with Compass textbooks, and install the free app on a smartphone or tablet so students can learn anytime, anywhere. 2. Play games that make learning English fun The wide variety of activities have been designed to motivate learners. They can earn points and grow their avatar, while developing their English skills at the same time. 3. Check student learning without a complicated LMS, just by entering the teacher's email address It couldn't be easier! Students just install the app and enter their teacher's email. The learning results are sent automatically, and the teacher will be able to check them immediately after logging in.

About

333 Sentences

Features
Read full description

333 Sentences teaches you to speak the 333 everyday sentences you need most in a new language, out loud, one at a time. What you get • 333 everyday sentences in ten topics: greetings, introducing yourself, asking for help, time and directions, ordering food, shopping, travel, daily routine, feelings, and small talk at work or school • Ten languages to learn: Spanish, French, German, Italian, Japanese, Korean, Chinese (Simplified), Russian, Hindi and English • A native voice for every sentence, with a slower option • The meaning of every sentence in English or Arabic • Progress and streak tracking, and one optional reminder a day How one sentence works (about two minutes) • Hear it: listen and pick what it means • Build it: tap the words into the right order • Fill it: choose the missing word • Say it: record yourself and compare with the native audio. Your recordings stay on your phone. Made for • Travelers who want the phrases for hotels, restaurants, shops and directions • Beginners who know some words but freeze when someone talks to them • Arabic speakers learning English, with every meaning in Arabic Price • The first 3 sentences are free, no account needed • Then pay once for 1 week, 3 months or 1 year. No subscription, no auto-renewal, nothing to cancel • One plan opens all 333 sentences in every language Sign in with Apple, Google or email to save your progress.

Screenshots

Integrate Reading & Writing Basic 14 screens
333 Sentences4 screens

Verdict

The call

The clearest difference is in-app purchases: Integrate Reading & Writing Basic 1 at none against 333 Sentences's 3. Integrate Reading & Writing Basic 1 also leads on iOS requirement (6.0 vs 15.0). 333 Sentences's advantage is update cadence (every 3 days vs every 6 weeks). On price, ads and device support there is nothing between them.

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

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. 333 Sentences sells 3 one-off in-app purchases. Integrate Reading & Writing Basic 1 asks for nothing beyond the download.

UpkeepUpdate frequency

Integrate Reading & Writing Basic 1 ships an update every 6 weeks, 333 Sentences every 3 days. Both last shipped on October 24, 2026.

Scorecard3 real differences Ā· 5 level
Integrate Reading & Writing Basic 1 versus 333 Sentences: the parameters behind the verdict, then further details
ParameterIntegrate Reading & Writing Basic 1333 Sentences
PriceFreeFree
Positive reviews0.0% of reviews—
Update frequencyEvery 6 weeksEvery 3 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS6.0 — better15.0
Further details — not scored
Size294 MB30 MB
Age rating4+4+
DeveloperWoongjin Compass, Co., Ltd.studio.sifr.sentences333

In-app purchases

None

Integrate Reading & Writing Basic 1

No in-app purchases

3 purchases

333 Sentences

One-time3
  • Subscription — 1 week$5.00
  • Subscription — 3 months$18.00
  • Subscription — 1 year$48.00

Questions

Is Integrate Reading & Writing Basic 1 free?
Integrate Reading & Writing Basic 1 is free to download, with no in-app purchases.
Is 333 Sentences free?
333 Sentences is free to download, with in-app purchases available.
Do Integrate Reading & Writing Basic 1 or 333 Sentences have ads?
Neither Integrate Reading & Writing Basic 1 nor 333 Sentences shows ads.
Which is updated more often, Integrate Reading & Writing Basic 1 or 333 Sentences?
Integrate Reading & Writing Basic 1 ships an update every 6 weeks, and 333 Sentences every 3 days. Most recently, Integrate Reading & Writing Basic 1 was updated on October 24, 2026 and 333 Sentences on October 24, 2026.

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