Comparison

PDF Watch Viewer vs Nano Notes

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

Head to head
About

PDF Watch Viewer

View PDF documents directly on your Apple Watch without needing your iPhone. Easily transfer files from your web browser, iCloud, email, or messaging apps to your wrist for convenient access.

Highlights
  • View PDFs on Apple Watch
  • Transfer files from iPhone
  • Add PDFs from web browser
  • Add PDFs from iCloud
  • Add PDFs from email/messenger
Features
Read full description

► PDF Watch Viewer ◄ Leave your iPhone in your pocket and view your PDF directly to your wrist. PDF Watch Viewer allows you to share files between iPhone and Apple Watch. You can add your PDF from your web browser, from your iCloud or opening it from your email, social or messenger. With this app you will be able to see your PDF on your Apple Watch. No need your iPhone connected once your PDF has been sent. PDF Watch Viewer, have all your PDF on your wrist!

About

Nano Notes

Capture thoughts and ideas instantly and access them on your Apple Watch. This utility app offers a streamlined way to jot down notes for quick reference, ensuring you never miss an important detail.

Highlights
  • Quick note-taking
  • Apple Watch integration
  • Syncs notes to watch
  • Supports older Apple Watch versions
  • Clean and simple design
Features
Read full description

Take quick notes, and read them on your Apple Watch!

Screenshots

PDF Watch Viewer3 screens
Nano Notes3 screens

Verdict

The call

The clearest difference is review sentiment: Nano Notes at 81% against PDF Watch Viewer's 13%. Nano Notes also leads on in-app purchases (none vs 1). PDF Watch Viewer's advantage is update cadence (every 2 months vs every 4 months). On price, ads, device support and iOS requirement 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. PDF Watch Viewer sells 1 one-off in-app purchase. Nano Notes asks for nothing beyond the download.

UpkeepUpdate frequency

PDF Watch Viewer ships an update every 2 months, Nano Notes every 4 months. The most recent releases landed on November 2, 2026 and November 6, 2026 respectively.

Scorecard4 real differences · 6 level
PDF Watch Viewer versus Nano Notes: the parameters behind the verdict, then further details
ParameterPDF Watch ViewerNano Notes
PriceFreeFree
Rating—4.7 (175 ratings) — better
Positive reviews12.9% of reviews81.1% of reviews — better
Number of ratings—175 — better
Update frequencyEvery 2 months — betterEvery 4 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPod, Apple WatchiPhone, iPad, iPod, Apple Watch — better
Requires iOS15.015.0
Further details — not scored
Size10 MB7 MB
Age rating4+4+
DeveloperStefano RusselloVincent Tourraine

Customer experience

PDF Watch Viewer

Written reviews139 reviews
Positive12.9%
Neutral5.8%
Negative81.3%

Nano Notes

All ratings175 ratings
Positive94.3%
Neutral2.3%
Negative3.4%
Written reviews37 reviews
Positive81.1%
Neutral8.1%
Negative10.8%

Bugs and requests

PDF Watch Viewer

Not enough reviews yet to summarise bugs or requests.

Nano Notes

Reported bugs

7 issues
  • App crashes
  • Notes disappear after watch restart
  • Notes not syncing between iPhone and iPad
  • Blank screen when opening notes on phone app
  • Cannot delete a note from the Apple Watch without phone interaction and watch restart
Show 2 more
  • Notes deleted when Apple Watch turned off and on
  • Notes not showing on Apple Watch

Requested features

10 requests
  • Add more object types (tables, drawings)
  • Add complication shortcut to watch face
  • Enable typing on the Watch
  • Add iCloud syncing
  • Add ability to edit/delete/add notes from Apple Watch
Show 5 more
  • Add spell check
  • Enable microphone dictation on Apple Watch
  • Support for shortcuts (share notes to app)
  • Pin notes to avoid reordering
  • Automatic iCloud synchronization

In-app purchases

1 purchases

PDF Watch Viewer

One-time1
  • Unlimited PDF$1.99
None

Nano Notes

No in-app purchases

Questions

Is PDF Watch Viewer free?
PDF Watch Viewer is free to download, with in-app purchases available.
Is Nano Notes free?
Nano Notes is free to download, with no in-app purchases.
Do PDF Watch Viewer or Nano Notes have ads?
Neither PDF Watch Viewer nor Nano Notes shows ads.
Which is updated more often, PDF Watch Viewer or Nano Notes?
PDF Watch Viewer ships an update every 2 months, and Nano Notes every 4 months. Most recently, PDF Watch Viewer was updated on November 2, 2026 and Nano Notes on November 6, 2026.

Other comparisons