Comparison

Paperpile vs みえるタイマー

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

Head to head
About

Paperpile

Organize and manage your research papers effortlessly. Collect, read, and annotate PDFs from millions of academic journals. Beat paper chaos with a tidy digital library.

Highlights
  • Search millions of academic papers
  • Collect PDFs with one tap
  • Organize with folders and labels
  • Read and annotate PDFs
  • Highlight and add notes
  • Browser integration for saving
Features
Read full description

Get a head start for you research and finally beat the paper chaos on your desk. With Paperpile you have all your research PDFs in one place — nice and tidy. Paperpile makes it easier than ever to collect, manage, read, and annotate your papers. FIND & COLLECT - Search millions of papers from 20,000+ academic journals right in the app. - Add new papers to your collection with one tap and the PDF will be downloaded automatically. - Save directly from your browser to your Paperpile library - User your university's off-campus proxy access to get restricted content behind paywalls. MANAGE & ORGANIZE - Bring structure to your library with folders and subfolders - Organize your library visually with colored labels - Mark important papers with stars. - Search your library to find the paper you need fast. READ & ANNOTATE - Read like on paper with a fast and slick PDF viewer experience - Highlight important sections in different colors - Add notes and never forget an important idea. - Add hand-drawn annotations - with your fingers or your Apple Pencil The Paperpile App requires a Paperpile account.

About

みえるタイマー

Features
Read full description

"See Your Remaining Time" - Now on Your Phone! The popular pie-chart timer for focused study. The remaining time is visually obvious, so anyone can use it intuitively - from children who can't read clocks to adults who want to stay focused. ------------------------------- 〇 Perfect for Every Moment ------------------------------- Studying & Exams  Set 25 min focus + 5 min break for Pomodoro study.  No more "how much time is left?" - just look. Cooking  Pasta 8 min. Eggs 12 min.  Hands dirty? Just glance at the screen. Kids & Parenting  "5 more minutes" becomes visible.  Perfect for building routines - brushing teeth, tidying up, screen time limits. Fitness & Exercise  Planks, intervals, stretching.  Push yourself while watching the arc shrink. Work & Productivity  Final sprint before a deadline.  Keep meetings on track. ------------------------------------ 〇 Features ------------------------------------ ● Drag to set time — Haptic feedback every minute ● Arc shrinks in real-time — Instantly grasp remaining time ● Clean & beautiful design — Minimalist white interface ● Alarm clock style option — Switch to your preference ● Dark mode — Easy on the eyes for late-night study ● Eco mode — Pure black background for OLED battery saving ● Second hand ON/OFF — For precise time tracking ● No ads during timer — Zero distractions while you focus ------------------------------------------ ・ Pro ------------------------------------------------------------------ ● Full color customization ● Labeled preset timers ● Continuous mode (auto-repeat focus & break) ● Timer range (12 min / 60 min) ● Completely ad-free ------------------------------------------------ Simple enough to start instantly. Visual enough to keep you going. Download now and make your time visible.

Screenshots

Paperpile3 screens
みえるタイマー4 screens

Verdict

The call

The clearest difference is in-app purchases: Paperpile at none against みえるタイマー's 1. Paperpile also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.1). みえるタイマー's advantage is update cadence (every 3 days vs every 2 months). On price 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. みえるタイマー sells 1 one-off in-app purchase. Paperpile asks for nothing beyond the download.

UpkeepUpdate frequency

Paperpile ships an update every 2 months, みえるタイマー every 3 days. The most recent releases landed on October 15, 2026 and October 11, 2026 respectively.

Scorecard4 real differences · 6 level
Paperpile versus みえるタイマー: the parameters behind the verdict, then further details
ParameterPaperpileみえるタイマー
PriceFreeFree
Rating4.5 (129 ratings) — better—
Positive reviews71.6% of reviews—
Number of ratings129 — better—
Update frequencyEvery 2 monthsEvery 3 days — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Apple Watch — better
Requires iOS12.0 — better15.1
Further details — not scored
Size242 MB39 MB
Age rating4+4+
DeveloperPaperpile LLCTakumi Hirose

Bugs and requests

Paperpile

Reported bugs

12 issues
  • App crashes frequently on iPad and iOS devices
  • Highlighting disappears when revisiting papers
  • Overlapping annotations delete together when removing one
  • Sync failures requiring logout/login cycles
  • Annotations not syncing between iPad and web versions
Show 7 more
  • PDF metadata recognition failures when adding papers
  • Settings reset when returning to previously edited files
  • App incompatible with older iOS versions (iOS 12)
  • Login authentication errors with university accounts
  • App crashes without reliable internet connection
  • Search functionality broken after updates
  • Annotations not saving/loading on iOS 14.4.2

Requested features

17 requests
  • Dark mode implementation
  • Edit citation metadata on mobile app
  • Change PDF file functionality
  • Save to downloads feature
  • Dictionary/lookup function for reading
Show 12 more
  • Cite while you write feature
  • BibTeX export capability
  • Ability to upload PDFs directly from mobile app
  • Support for Safari and other browsers
  • Desktop application version
  • Shared library access in mobile app
  • Advanced sorting options (by title, author, date)
  • Custom color options for annotations
  • Paste images into PDFs
  • Shape snapping for drawing tools
  • University email authentication
  • Paper rating system beyond stars

みえるタイマー

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Paperpile

No in-app purchases

1 purchases

みえるタイマー

One-time1
  • VisTimer Pro$0.99

Questions

Is Paperpile free?
Paperpile is free to download, with no in-app purchases.
Is みえるタイマー free?
みえるタイマー is free to download, with in-app purchases available.
Do Paperpile or みえるタイマー have ads?
みえるタイマー shows ads; Paperpile does not.
Which is updated more often, Paperpile or みえるタイマー?
Paperpile ships an update every 2 months, and みえるタイマー every 3 days. Most recently, Paperpile was updated on October 15, 2026 and みえるタイマー on October 11, 2026.

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