Comparison

Let's Smile 1 vs Poly Student

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

Head to head
About

Let's Smile 1

This app offers a seven-level primary English course for young EFL learners. It uses engaging stories, songs, and games to build confidence and motivate students. The curriculum aligns with CEFR and YLE test objectives, incorporating vocabulary, grammar, and real-world connections.

Highlights
  • Animated stories and songs
  • Communicative games
  • CLIL lessons
  • Vocabulary and grammar progression
  • CEFR and YLE alignment
  • World culture lessons
Features
Read full description

Letโ€™s Smile is a seven-level primary English course for young EFL students. The course has fun and enjoyable stories, songs, and games to support and motivate students to learn English. Language targets are constantly linked and recycled to boost studentsโ€™ confidence. With Letโ€™s Smile, young students are inspired to smile and succeed together in todayโ€™s world. Key Features โ€ข Fun animated stories featuring friendly characters โ€ข Animated songs and chants โ€ข Fun and communicative games โ€ข Twelve easy CLIL lessons โ€ข Six World Link lessons linked to unit topics โ€ข Extensive resources for teachers Components โ€ข Student Book โ€ข Workbook โ€ข Teacherโ€™s Manual โ€ข Teacher Flashcards โ€ข App โ€ข Letโ€™s Smile Online Level Letโ€™s Smile combines steady vocabulary and grammar progression with the functional objectives of the Common European Framework of Reference for Languages (CEFR) and Young Learners English (YLE) Tests. Unit Flow โ€ข Words and Grammar: Presents and explores the unitโ€™s target vocabulary and grammar structures โ€ข Conversation: Incorporates conversational language and unit targets in an authentic dialog, catchy song, and a collaborative game โ€ข CLIL Lesson: Connects the target language to various school subjects for immersion and to demonstrate usefulness โ€ข Unit Link: Links the target language with previous units for fun and stress-free consolidation โ€ข World Link: Links target language with the world around us through lessons on world cultures, art, ecology, family, and more

About

Poly Student

This application is exclusively for enrolled students of Poly language academy. It allows students to check class attendance, view weekly grades, and access parental consent forms for going home. The app also provides academy news, academic reports, and library book lending information.

Highlights
  • Class attendance tracking
  • Weekly grade viewing
  • Parental consent form access
  • Academy news and announcements
  • Academic performance reports
  • Library book lending status
Read full description

์•„์ด๋“ค์˜ ๊ฟˆ์„ ํ‚ค์šฐ๋Š” ๊ณต๊ฐ„, Poly(ํด๋ฆฌ์–ดํ•™์›)์˜ ์žฌ์›์ƒ ์ „์šฉ ์–ดํ”Œ๋ฆฌ์ผ€์ด์…˜์ž…๋‹ˆ๋‹ค. ์žฌ์›์ƒ๋“ค์€ ๋ณธ ์„œ๋น„์Šค๋ฅผ ํ†ตํ•ด ์ˆ˜์—… ์ถœ๊ฒฐ ์ •๋ณด ๋ฐ ์ฃผ์ฐจ ๋ณ„๋กœ ์ œ๊ณต๋˜๋Š” ์„ฑ์  ์กฐํšŒ๋ฅผ ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ๋˜ํ•œ, ๊ธฐ์กด Poly Parents App(ํด๋ฆฌ ํ•™๋ถ€๋ชจ์•ฑ)๊ณผ์˜ ์—ฐ๊ณ„๋ฅผ ํ†ตํ•ด ๋ถ€๋ชจ๋‹˜์ด ์ž‘์„ฑํ•œ ๊ท€๊ฐ€๋™์˜์„œ๋ฅผ ๋ฐ”๋กœ ํ™•์ธํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. โ€ป Poly Student App์˜ ์ฃผ์š” ๋ฉ”๋‰ด - ์žฌ์›์ƒ์ด ์•Œ์•„์•ผ ํ•  ์†Œ์‹์„ ์ „ํ•˜๋Š” "๊ณต์ง€์‚ฌํ•ญ" - ์ˆ˜์—… ์ถœ๊ฒฐ ํ˜„ํ™ฉ ๋ฐ e-POLY ๋ฆฌํฌํŠธ ์กฐํšŒ๊ฐ€ ๊ฐ€๋Šฅํ•œ "Poly Life" - LT, MT ์„ฑ์ ์„ ํ™•์ธํ•  ์ˆ˜ ์žˆ๋Š” "Poly Record" - ๋„์„œ ๋Œ€์—ฌ ํ˜„ํ™ฉ๊ณผ ๋„์„œ ์ •๋ณด๋ฅผ ์•Œ ์ˆ˜ ์žˆ๋Š” "Libraryโ€

Screenshots

Let's Smile 14 screens
Poly Student4 screens

Verdict

The call

The clearest difference is update cadence: Poly Student at monthly against Let's Smile 1's every 19 months. Let's Smile 1's advantage is review sentiment (20% vs 0%) and iOS requirement (10.0 vs 13.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Let's Smile 1 ships an update every 19 months, Poly Student monthly. The most recent releases landed on October 3, 2026 and October 10, 2026 respectively.

Scorecard3 real differences ยท 5 level
Let's Smile 1 versus Poly Student: the parameters behind the verdict, then further details
ParameterLet's Smile 1Poly Student
PriceFreeFree
Positive reviews20.0% of reviews โ€” better0.0% of reviews
Update frequencyEvery 19 monthsMonthly โ€” better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPod
Requires iOS10.0 โ€” better13.0
Further details โ€” not scored
Size893 MB47 MB
Age rating4+4+
Developere-future Co., Ltd.Poly Inspiration, Inc.

Customer experience

Let's Smile 1

Written reviews5 reviews
Positive20.0%
Neutral20.0%
Negative60.0%

Poly Student

Written reviews4 reviews
Positive0.0%
Neutral25.0%
Negative75.0%

In-app purchases

None

Let's Smile 1

No in-app purchases

None

Poly Student

No in-app purchases

Questions

Is Let's Smile 1 free?
Let's Smile 1 is free to download, with no in-app purchases.
Is Poly Student free?
Poly Student is free to download, with no in-app purchases.
Do Let's Smile 1 or Poly Student have ads?
Neither Let's Smile 1 nor Poly Student shows ads.
Which is updated more often, Let's Smile 1 or Poly Student?
Let's Smile 1 ships an update every 19 months, and Poly Student monthly. Most recently, Let's Smile 1 was updated on October 3, 2026 and Poly Student on October 10, 2026.

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