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Comparison

OTL vs SkyPen

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

Head to head
OTL
OTL
Free
๐Ÿ”ง Utilities
No ratingsView app โ†’
SkyPen
SkyPen
Free
๐Ÿ”ง Utilities
No ratingsView app โ†’
About

OTL

Easily search for all courses, view your daily schedule at a glance, and get notified about important academic dates. Organize your next semester's timetable, compare various metrics, and read and rate course reviews.

Highlights
  • Course search and filtering
  • Daily schedule overview
  • Academic event notifications
  • Timetable creation and comparison
  • Course review reading and rating
  • Personalized academic information
Features
Read full description

1. ํ™ˆ - ๋ชจ๋“  ๊ณผ๋ชฉ์„ ๋ฐ”๋กœ ๊ฒ€์ƒ‰ํ•˜์„ธ์š”. - ์˜ค๋Š˜ ๋‚˜์˜ ์‹œ๊ฐ„ํ‘œ๋ฅผ ํ•œ ๋ˆˆ์— ํ™•์ธํ•˜์„ธ์š”. - ์ˆ˜๊ฐ•์‹ ์ฒญ, ์ˆ˜๊ฐ•๋ณ€๊ฒฝ, ๊ฐœ๊ฐ•, ์ข…๊ฐ• ๋“ฑ ์ฃผ์š” ์ผ์ •์„ ์•Œ๋ ค๋“œ๋ฆฝ๋‹ˆ๋‹ค. 2. ์‹œ๊ฐ„ํ‘œ - ์ด๋ฒˆ ํ•™๊ธฐ ๋‚˜์˜ ์‹œ๊ฐ„ํ‘œ๋ฅผ ํ™•์ธํ•˜๊ณ  ์‚ฌ์ง„์œผ๋กœ ์ €์žฅํ•˜์„ธ์š”. - ์ผ๋ฐ˜, ์‹œํ—˜, ์ง€๋„์˜ 3๊ฐ€์ง€ ๋ชจ๋“œ๋กœ ์‹œ๊ฐ„ํ‘œ๋ฅผ ํ™•์ธํ•˜์„ธ์š”. - ๋‹ค์Œ ํ•™๊ธฐ ์‹œ๊ฐ„ํ‘œ๋ฅผ ๊ตฌ์„ฑํ•ด ๋ณด๊ณ  ํ•™์ , AU, ์„ฑ์ , ๋„๋„, ๊ฐ•์˜ ๋“ฑ ๋‹ค์–‘ํ•œ ์ง€ํ‘œ๋ฅผ ๋น„๊ตํ•˜์„ธ์š”. 3. ๊ณผ๋ชฉ์‚ฌ์ „ - KAIST์˜ ๋ชจ๋“  ๊ณผ๋ชฉ์„ ๊ฒ€์ƒ‰ํ•˜์„ธ์š”. - ํ•™๊ณผ, ๊ตฌ๋ถ„, ํ•™๋…„, ๊ธฐ๊ฐ„์œผ๋กœ ์†์‰ฝ๊ฒŒ ํ•„ํ„ฐ๋งํ•˜์„ธ์š”. 4. ๊ณผ๋ชฉํ›„๊ธฐ - ์ตœ๊ทผ ์ž‘์„ฑ๋œ ๋”ฐ๋ˆ๋”ฐ๋ˆํ•œ ๊ณผ๋ชฉํ›„๊ธฐ๋ฅผ ์ฝ์–ด๋ณด์„ธ์š”. - ๋ช…์˜ˆ์˜ ์ „๋‹น์— ์˜ค๋ฅธ ๊ณผ๋ชฉํ›„๊ธฐ๋“ค์„ ํ•™๊ธฐ๋ณ„๋กœ ํ™•์ธํ•ด ๋ณด์„ธ์š”. - ์œ ์šฉํ•˜๊ณ  ์žฌ๋ฏธ์žˆ๋Š” ๊ณผ๋ชฉํ›„๊ธฐ์— ์ข‹์•„์š”๋ฅผ ๋ˆŒ๋Ÿฌ์ฃผ์„ธ์š”. ๋‚ด ์ •๋ณด์—์„œ ํ•™๊ธฐ๋ณ„ ์ˆ˜๊ฐ•ํ•œ ๊ณผ๋ชฉ, ์ข‹์•„์š”๋ฅผ ๋ˆ„๋ฅธ ํ›„๊ธฐ๋“ค ๋“ฑ์„ ํ™•์ธํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ๋ฌธ์˜์‚ฌํ•ญ & ํ”ผ๋“œ๋ฐฑ otlplus@sparcs.org

About

SkyPen

Features
Read full description

SkyPenๆ‰‹ๅ†™็ฌ”๏ผŒ็ป“ๅˆAPPไฟกๅท่ฐƒ่Š‚๏ผŒๆ‚จๅฏไปฅๅœจipadไธŠๆ„Ÿๅ—ๅˆฐ็œŸๅฎž็š„็ฌ”่งฆ๏ผŒๆ›ดๅฅฝ็š„่งฃๅ†ณๆ–ญ่งฆ๏ผŒๅปถ่ฟŸ็ญ‰็Žฐ่ฑก๏ผŒๅฎž็Žฐไนฆๅ†™็š„่‡ช็„ถๆ„Ÿๅ—๏ผŒไธบๆ‚จๆไพ›ๆ›ดๆต็•…็ตๆ•็š„ไฝ“้ชŒใ€‚ๅผ€ๆœบๆœ็ดข่ฟžๆŽฅ่“็‰™ๅŽ๏ผŒๅฏๅˆ‡ๆขๅˆฐๅŠŸ่ƒฝ่ฎพ็ฝฎ็•Œ้ข๏ผŒๅฎž็Žฐ20ๅคšไธชๅฟซๆท่ฎพ็ฝฎๅŠŸ่ƒฝ๏ผˆๅŒ…ๆ‹ฌ็”ตๆบ้”ฎๅผ€ๅ…ณๆœบ๏ผŒๅŠ ๅ‡้Ÿณ้‡๏ผŒๆ’ญๆ”พไธŠไธ‹ๆ›ฒ๏ผŒๆ‹็…ง๏ผŒๅฟซ้€Ÿๆˆชๅฑ๏ผŒๆ™บ่ƒฝๅ…ณๆœบ๏ผ‰็ญ‰ๅŠŸ่ƒฝ๏ผŒ็ป™ๆ‚จๅธฆๆฅๆ›ด้ซ˜ๆ•ˆ็š„่ฟ›่กŒ่ฎฐๅฝ•๏ผŒๅญฆไน ๅ’Œไฝฟ็”จ

Screenshots

OTL4 screens
SkyPen4 screens

Verdict

The call

The clearest difference is iOS requirement: SkyPen at 12.0 against OTL's 15.0. On price, update cadence, ads and in-app purchases 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

OTL ships an update every 5 weeks, SkyPen every 2 months. The most recent releases landed on October 7, 2026 and October 10, 2026 respectively.

Scorecard1 real difference ยท 7 level
OTL versus SkyPen: the parameters behind the verdict, then further details
ParameterOTLSkyPen
PriceFreeFree
Positive reviews92.9% of reviewsโ€”
Update frequencyEvery 5 weeks โ€” betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeโ€”
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.012.0 โ€” better
Further details โ€” not scored
Size115 MB34 MB
Age rating9+4+
DeveloperSPARCSๆ‹›้€” ่Žซ

In-app purchases

None

OTL

No in-app purchases

None

SkyPen

No in-app purchases

Questions

Is OTL free?
OTL is free to download, with no in-app purchases.
Is SkyPen free?
SkyPen is free to download, with no in-app purchases.
Do OTL or SkyPen have ads?
Neither OTL nor SkyPen shows ads.
Which is updated more often, OTL or SkyPen?
OTL ships an update every 5 weeks, and SkyPen every 2 months. Most recently, OTL was updated on October 7, 2026 and SkyPen on October 10, 2026.

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