Comparison

Moonlight vs InkDown

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

Head to head
About

Moonlight

Streamline your research by integrating AI tools directly into your PDF documents. Get instant explanations, translations, and citation details without leaving your reading interface.

Highlights
  • AI-powered explanations
  • Document translation
  • Citation retrieval
  • Integrated research tools
  • Seamless PDF interaction
Features
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Make room for your next idea. Moonlight brings paper reading and your research library together on iPhone and iPad. Open a PDF, explore a paper, and keep the details you want to return to. READ WITH FOCUS Open research PDFs in the Moonlight reader. Use AI assistance for summaries, questions, and translation as you work through a paper. BUILD YOUR LIBRARY Keep papers together and find them by title, author, or tag. Switch between compact lists, minimal lists, and visual cards to suit the way you browse. KEEP YOUR THINKING CLOSE Use tags, ratings, and notes to organize what matters. See paper details and your notes in one place. PICK UP WHERE YOU LEFT OFF Recent papers help you return to your reading. Sign in to access your Moonlight library across supported devices. Some features require an account, an internet connection, or an eligible subscription. AI-generated content may be inaccurate; check it against the original paper.

About

InkDown

Features
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์ฝ๋Š” ์ˆœ๊ฐ„ ๋– ์˜ค๋ฅธ ์ƒ๊ฐ์„, ๋ฌธ์„œ ์œ„์— ๋ฐ”๋กœ ๋‚จ๊ธฐ์„ธ์š”. Folio๋Š” Markdown ๋ฌธ์„œ๋ฅผ ์ฝ๊ธฐ ์ข‹์€ ํŽ˜์ด์ง€๋กœ ํŽผ์น˜๊ณ , ๊ทธ ์œ„์— Apple Pencil๋กœ ์ง์ ‘ ์“ฐ๋Š” ํ•„๊ธฐ ์ค‘์‹ฌ์˜ ํ•™์Šต ๋„๊ตฌ์ž…๋‹ˆ๋‹ค. ์ •๋ฆฌํ•ด ๋‘” ๋…ธํŠธ์™€ ํ•™์Šต ์ž๋ฃŒ๋ฅผ ๊ฐ€์ ธ์™€ ๋ฐ‘์ค„์„ ๊ธ‹๊ณ , ํ’€์ด ๊ณผ์ •์„ ์ ๊ณ , ๋– ์˜ค๋ฅธ ์ƒ๊ฐ์„ ์ž์œ ๋กญ๊ฒŒ ๋‚จ๊ฒจ๋ณด์„ธ์š”. ์ข…์ด์— ๊ณต๋ถ€ํ•˜๋˜ ์ต์ˆ™ํ•œ ๋ฐฉ์‹๊ณผ ๋””์ง€ํ„ธ ๋ฌธ์„œ์˜ ํŽธ๋ฆฌํ•จ์„ ํ•จ๊ป˜ ์‚ฌ์šฉํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. โ–  Markdown ๋ฌธ์„œ ์œ„์— ๋ฐ”๋กœ ํ•„๊ธฐ Markdown ๋ฌธ์„œ๋ฅผ ํ•„๊ธฐํ•˜๊ธฐ ์ข‹์€ ํŽ˜์ด์ง€๋กœ ๊ตฌ์„ฑํ•ฉ๋‹ˆ๋‹ค. ๋ณ„๋„์˜ ๋…ธํŠธ ํ™”๋ฉด์„ ์˜ค๊ฐˆ ํ•„์š” ์—†์ด ์ฝ๊ณ  ์žˆ๋Š” ํŽ˜์ด์ง€ ์œ„์— ์ƒ๊ฐ๊ณผ ํ’€์ด๋ฅผ ๋ฐ”๋กœ ๋‚จ๊ธธ ์ˆ˜ ์žˆ์–ด์š”. โ–  Apple Pencil์— ์ต์ˆ™ํ•œ ํ•„๊ธฐ ๊ฒฝํ—˜ iPad์˜ Apple Pencil๊ณผ ์‹œ์Šคํ…œ ํ•„๊ธฐ ๋„๊ตฌ๋ฅผ ์ง€์›ํ•ฉ๋‹ˆ๋‹ค. ํŽœ, ์—ฐํ•„, ํ˜•๊ด‘ํŽœ, ์ง€์šฐ๊ฐœ ๋“ฑ ์ต์ˆ™ํ•œ ๋„๊ตฌ๋กœ ์‹ค์ œ ์ข…์ด์— ์“ฐ๋“ฏ ์ž์—ฐ์Šค๋Ÿฝ๊ฒŒ ํ•„๊ธฐํ•ด ๋ณด์„ธ์š”. โ–  ํ•„๊ธฐ ์œ„์น˜๋ฅผ ๊ทธ๋Œ€๋กœ ๋ณด๊ด€ ํ•„๊ธฐ๋Š” ํŽ˜์ด์ง€๋ณ„๋กœ ์ €์žฅ๋˜์–ด ์•ฑ์„ ๋‹ค์‹œ ์—ด์–ด๋„ ์ž‘์„ฑํ–ˆ๋˜ ์œ„์น˜์— ๊ทธ๋Œ€๋กœ ๋‚˜ํƒ€๋‚ฉ๋‹ˆ๋‹ค. ๊ธด ๋ฌธ์„œ๋„ ํ•„๊ธฐํ•œ ํ๋ฆ„์„ ์žƒ์ง€ ์•Š๊ณ  ์ด์–ด์„œ ๊ณต๋ถ€ํ•  ์ˆ˜ ์žˆ์–ด์š”. โ–  ํ•„๊ธฐํ•œ ๋ฌธ์„œ๋ฅผ PDF๋กœ ๋‚ด๋ณด๋‚ด๊ธฐ Apple Pencil๋กœ ์ž‘์„ฑํ•œ ํ•„๊ธฐ์™€ ํ•˜์ด๋ผ์ดํŠธ๋ฅผ ๋ฌธ์„œ์— ํ•ฉ์ณ PDF๋กœ ๋‚ด๋ณด๋‚ผ ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ๊ณต๋ถ€ํ•œ ๊ฒฐ๊ณผ๋ฅผ ๋ณด๊ด€ํ•˜๊ฑฐ๋‚˜ ๋‹ค๋ฅธ ์‚ฌ๋žŒ๊ณผ ๊ณต์œ ํ•ด ๋ณด์„ธ์š”. โ–  ํ‘œ, ์ฝ”๋“œ, ์ˆ˜์‹๊นŒ์ง€ ๊น”๋”ํ•˜๊ฒŒ ์ œ๋ชฉ๊ณผ ๋ณธ๋ฌธ์€ ๋ฌผ๋ก  ํ‘œ, ์ฝ”๋“œ, ์ˆ˜์‹, ์ด๋ฏธ์ง€๊ฐ€ ํฌํ•จ๋œ Markdown๋„ ์ฝ๊ธฐ ์ข‹์€ ํ˜•ํƒœ๋กœ ํ‘œํ˜„ํ•ฉ๋‹ˆ๋‹ค. ๋ณต์žกํ•œ ํ•™์Šต ์ž๋ฃŒ๋„ ํŽ˜์ด์ง€ ์œ„์—์„œ ํŽธ์•ˆํ•˜๊ฒŒ ์ฝ๊ณ  ํ•„๊ธฐํ•  ์ˆ˜ ์žˆ์–ด์š”. โ–  ํ•„๊ธฐ๋ฅผ ๋•๋Š” ์ฝ๊ธฐ ๊ธฐ๋Šฅ ๋ชฉ์ฐจ๋ฅผ ํ†ตํ•ด ์›ํ•˜๋Š” ๋ถ€๋ถ„์œผ๋กœ ์ด๋™ํ•˜๊ณ , ๋ฌธ์„œ ์•ˆ์—์„œ ํ•„์š”ํ•œ ๋‚ด์šฉ์„ ๊ฒ€์ƒ‰ํ•  ์ˆ˜ ์žˆ์Šต๋‹ˆ๋‹ค. ์ค‘์š”ํ•œ ๋ฌธ์žฅ์€ ํ•˜์ด๋ผ์ดํŠธํ•˜๊ณ  ๋‹ค์‹œ ๋ณผ ํŽ˜์ด์ง€๋Š” ๋ถ๋งˆํฌํ•ด ๋ณด์„ธ์š”. ํŽ˜์ด์ง€๋งˆ๋‹ค ํ…์ŠคํŠธ ๋ฉ”๋ชจ๋ฅผ ๋‚จ๊ธธ ์ˆ˜๋„ ์žˆ์Šต๋‹ˆ๋‹ค. โ–  ์ฝ๋˜ ํŽ˜์ด์ง€์—์„œ ๊ณ„์†ํ•˜๊ธฐ ๋ฌธ์„œ๋ณ„ ์ฝ๋˜ ์œ„์น˜์™€ ์ง„ํ–‰๋ฅ ์„ ๊ธฐ์–ตํ•ฉ๋‹ˆ๋‹ค. ์•ฑ์„ ๋‹ค์‹œ ์—ด๋ฉด ๋งˆ์ง€๋ง‰์œผ๋กœ ๊ณต๋ถ€ํ•˜๋˜ ํŽ˜์ด์ง€์—์„œ ํ•„๊ธฐ๋ฅผ ์ด์–ด๊ฐˆ ์ˆ˜ ์žˆ์–ด์š”. โ–  ์›๋ณธ๊ณผ ํ•„๊ธฐ๋ฅผ ์•ˆ์ „ํ•˜๊ฒŒ ๋ถ„๋ฆฌ ๊ฐ€์ ธ์˜จ Markdown ์›๋ณธ๊ณผ Folio์—์„œ ์ž‘์„ฑํ•œ ํ•„๊ธฐ ๋ฐ์ดํ„ฐ๋Š” ๋ณ„๋„๋กœ ๋ณด๊ด€๋ฉ๋‹ˆ๋‹ค. Folio์—์„œ ํ•„๊ธฐํ•˜๋”๋ผ๋„ ์›๋ž˜ ํŒŒ์ผ์€ ๋ณ€๊ฒฝ๋˜์ง€ ์•Š์Šต๋‹ˆ๋‹ค. ์ด๋Ÿฐ ๋ถ„๊ป˜ ์ถ”์ฒœํ•ด์š”. โ€ข iPad์™€ Apple Pencil๋กœ ๊ณต๋ถ€ํ•˜๋Š” ๋ถ„ โ€ข Markdown ํŒŒ์ผ ์œ„์— ์ง์ ‘ ํ•„๊ธฐํ•˜๊ณ  ์‹ถ์€ ๋ถ„ โ€ข ๋ฌธ์„œ๋ฅผ ์ฝ์œผ๋ฉฐ ํ•„๊ธฐ์™€ ์ƒ๊ฐ์„ ํ•จ๊ป˜ ๋‚จ๊ธฐ๋Š” ๋ถ„ โ€ข ์ข…์ด ๋…ธํŠธ์ฒ˜๋Ÿผ ์ž์œ ๋กญ๊ฒŒ ์“ฐ๊ณ  PDF๋กœ ๋ณด๊ด€ํ•˜๊ณ  ์‹ถ์€ ๋ถ„ โ€ข ๊ธด ํ•™์Šต ์ž๋ฃŒ์˜ ํ•„๊ธฐ์™€ ์ฝ๋˜ ์œ„์น˜๋ฅผ ๊ด€๋ฆฌํ•˜๊ณ  ์‹ถ์€ ๋ถ„ Markdown์„ ํŽผ์น˜๊ณ , ์ƒ๊ฐ์„ ์ ๊ณ , ๋‚˜๋งŒ์˜ ํ•™์Šต ์ž๋ฃŒ๋กœ ์™„์„ฑํ•˜์„ธ์š”. Inkdown๋Š” ์ฝ๋Š” ๋ฌธ์„œ๋ฅผ ์“ฐ๋Š” ๋ฌธ์„œ๋กœ ๋ฐ”๊ฟ”์ค๋‹ˆ๋‹ค.

Screenshots

Moonlight4 screens
InkDown3 screens

Verdict

The call

The clearest difference is update cadence: InkDown at every 3 days against Moonlight's every 10 days. Moonlight's advantage is iOS requirement (15.1 vs 26.0). On price, ads, in-app purchases and device support 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

Moonlight ships an update every 10 days, InkDown every 3 days. The most recent releases landed on October 6, 2026 and October 16, 2026 respectively.

Scorecard2 real differences ยท 6 level
Moonlight versus InkDown: the parameters behind the verdict, then further details
ParameterMoonlightInkDown
PriceFreeFree
Positive reviews64.3% of reviewsโ€”
Update frequencyEvery 10 daysEvery 3 days โ€” better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeโ€”
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPad
Requires iOS15.1 โ€” better26.0
Further details โ€” not scored
Size66 MB18 MB
Age rating4+4+
DeveloperCorca, Inc.youngmin cho

In-app purchases

None

Moonlight

No in-app purchases

None

InkDown

No in-app purchases

Questions

Is Moonlight free?
Moonlight is free to download, with no in-app purchases.
Is InkDown free?
InkDown is free to download, with no in-app purchases.
Do Moonlight or InkDown have ads?
Neither Moonlight nor InkDown shows ads.
Which is updated more often, Moonlight or InkDown?
Moonlight ships an update every 10 days, and InkDown every 3 days. Most recently, Moonlight was updated on October 6, 2026 and InkDown on October 16, 2026.

Other comparisons