# Watch Calculator 87 vs Nano Notes

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.

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.

## The numbers

| Metric | Watch Calculator 87 | Nano Notes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (6 ratings)](https://appshunter.io/ios/app/watch-calculator-87/id1271115053/reviews) | **[4.8 (172 ratings)](https://appshunter.io/ios/app/nano-notes/id1445942906/reviews)** |
| Number of ratings | 6 | **172** |
| Positive reviews | 66.7% of reviews | **83.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 32 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 31 MB | 7 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod, Apple Watch | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Jose Maria Ortega Aguilera](https://appshunter.io/developer/909983037) | [Vincent Tourraine](https://appshunter.io/developer/308598599) |

## What reviewers say

### Watch Calculator 87

[App page](https://appshunter.io/ios/app/watch-calculator-87/id1271115053)

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.

**Highlights:** Calculator for Apple Watch, Simple interface, Quick calculations, Wrist-based operation

**Features:** macOS Compatibility

**In-app purchases:** none


### Nano Notes

[App page](https://appshunter.io/ios/app/nano-notes/id1445942906)

Capture thoughts and ideas instantly with a simple note-taking tool. Access and review your notes conveniently on your Apple Watch.

**Highlights:** Quick note creation, Apple Watch access, Simple interface, Instant synchronization

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Useful for quick notes
- ⌚ Works well with Apple Watch
- 🆓 Free to use
- 🚀 Fast and easy to use
- 📱 Syncs notes to watch

**What reviewers complain about**

- 🐛 Crashes frequently
- 🐛 Notes disappear after watch restart
- 🐛 Blank screen on phone app
- 🐛 Cannot delete notes from watch
- 🐛 Syncing issues reported

**Reported bugs**

- 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

**Requested features**

- 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


## Frequently asked questions

### Is Watch Calculator 87 free?

Watch Calculator 87 is free to download, with no in-app purchases.

### Is Nano Notes free?

Nano Notes is free to download, with no in-app purchases.

### Which has better reviews, Watch Calculator 87 or Nano Notes?

Nano Notes is rated higher. Watch Calculator 87 averages 4.2 out of 5 from 6 ratings, while Nano Notes averages 4.8 from 172 ratings.

### Do Watch Calculator 87 or Nano Notes have ads?

Neither Watch Calculator 87 nor Nano Notes shows ads.

### Which is updated more often, Watch Calculator 87 or Nano Notes?

Watch Calculator 87 ships an update every 32 months, and Nano Notes every 3 months. Most recently, Watch Calculator 87 was updated on October 24, 2026 and Nano Notes on October 23, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*