Watch Calculator 87 vs Nano Notes
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Watch Calculator 87
A straightforward calculator designed specifically for your Apple Watch. Perform calculations quickly and easily directly from your wrist, with a simple interface for everyday math needs.
- Calculator for Apple Watch
- Simple interface
- Quick calculations
- Wrist-based operation
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Calculator for Apple Watch
Nano Notes
Capture thoughts and ideas instantly with a simple note-taking tool. Access and review your notes conveniently on your Apple Watch.
- Quick note creation
- Apple Watch access
- Simple interface
- Instant synchronization
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Take quick notes, and read them on your Apple Watch!
Screenshots
Verdict
The clearest difference is rating: Nano Notes at 4.8 against Watch Calculator 87's 4.2. Nano Notes also leads on update cadence (every 3 months vs every 32 months) and ratings volume (172 vs 6). On price, ads, in-app purchases and monetization model 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Nano Notes holds the better App Store score, 4.8 against 4.2. That said, the two scores are not equally well evidenced: Nano Notes has 172 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 67% of Watch Calculator 87's written reviews are positive against 83% of Nano Notes's.
Watch Calculator 87 ships an update every 32 months, Nano Notes every 3 months. The most recent releases landed on October 24, 2026 and October 23, 2026 respectively.
| Parameter | Watch Calculator 87 | Nano Notes |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (6 ratings) | 4.8 (172 ratings) — better |
| Positive reviews | 66.7% of reviews | 83.3% of reviews — better |
| Number of ratings | 6 | 172 — better |
| Update frequency | Every 32 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod, Apple Watch — better |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 31 MB | 7 MB |
| Age rating | 4+ | 4+ |
| Developer | Jose Maria Ortega Aguilera | Vincent Tourraine |
Customer experience
Watch Calculator 87
Nano Notes
Bugs and requests
Watch Calculator 87
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
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- 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 moreShow fewer
- 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
Watch Calculator 87
No in-app purchases
Nano Notes
No in-app purchases
Questions
Is Watch Calculator 87 free?
Is Nano Notes free?
Which has better reviews, Watch Calculator 87 or Nano Notes?
Do Watch Calculator 87 or Nano Notes have ads?
Which is updated more often, Watch Calculator 87 or Nano Notes?
Other comparisons
