# PaperCal vs NoteOS

The clearest difference is price: NoteOS at Free against PaperCal's $3.99. PaperCal's advantage is in-app purchases (none vs 11) and rating (4.8 vs 4.5). On update cadence and ads there is nothing between them.

NoteOS is free to download; PaperCal costs $3.99 up front. NoteOS sells 11 in-app purchases, starting at $39.99 per year. PaperCal asks for nothing beyond the download.

PaperCal holds the better App Store score, 4.8 against 4.5. That said, the two scores are not equally well evidenced: PaperCal has 421 ratings behind it against 27, so its average is the more settled of the two. Written reviews point the same way: 76% of PaperCal's written reviews are positive against 57% of NoteOS's.

PaperCal ships an update monthly, NoteOS every 2 months. The most recent releases landed on September 22, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | PaperCal | NoteOS |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[4.8 (421 ratings)](https://appshunter.io/ios/app/papercal/id1543127868/reviews)** | [4.5 (27 ratings)](https://appshunter.io/ios/app/noteos-voice-notes-and-tasks/id6761012123/reviews) |
| Number of ratings | **421** | 27 |
| Positive reviews | **76.3% of reviews** | 57.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 105 MB | 23 MB |
| Requires iOS | **14.0** | 17.6 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Johan Burgler](https://appshunter.io/developer/647234131) | [Abdullah YILMAZ](https://appshunter.io/developer/1636324967) |

## What reviewers say

### PaperCal

[App page](https://appshunter.io/ios/app/papercal/id1543127868)

This app offers a visually appealing and user-friendly calendar experience, reimagined for iPhone. It features clean, paper-inspired layouts and beautiful widgets for your Home and Lock Screen, allowing you to see tasks and events together in one place.

**Highlights:** Paper-inspired layouts, Home and Lock Screen widgets, Tasks and events in one view, Sync with existing calendars, 20+ customizable themes, Yearly, monthly, weekly, daily views

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Simple and intuitive interface
- 🗓️ Elegant paper-like calendar design
- 📅 Clear weekly and monthly views
- 🎨 Customizable colors and themes
- ⏱️ Detailed event information

**What reviewers complain about**

- 🐛 Widget issues (not updating, missing features)
- 🌐 Lack of language support (e.g. no French)
- 🔍 Limited search functionality
- 📝 Difficulty editing/copying events
- 🔔 Unreliable notification system

**Reported bugs**

- Events not displaying correctly in widgets
- App freezing when adding locations to events
- Inconsistent behavior when changing event times

**Requested features**

- Sync with Apple Reminders
- Add notes/attachments to events
- Ability to reorder tasks
- More color/theme options
- Improved widget functionality


### NoteOS

[App page](https://appshunter.io/ios/app/noteos-voice-notes-and-tasks/id6761012123)

Capture thoughts, organize your day, and build routines with an AI-powered productivity app. It unifies note-taking, voice capture, to-dos, and habit tracking into a single, fast workflow, reducing friction between ideas and actions.

**Highlights:** Text and voice note-taking, AI note processing and summarization, Task and priority tracking, Habit building and tracking, Unified workspace for ideas and plans, Fast capture for on-the-go thoughts

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| NoteOS Plus Yearly | $39.99 | per year |
| NoteOS Business Monthly | $49.99 | per month |
| NoteOS Premium Yearly | $99.99 | per year |
| NoteOS Business Yearly | $399.99 | per year |
| NoteOS 1 Hour AI Credits | $0.99 | one-time |
| NoteOS 500MB AI Credits | $0.99 | one-time |
| NoteOS 2GB AI Credits | $2.99 | one-time |
| NoteOS 5 Hour AI Credits | $3.99 | one-time |
| NoteOS 10GB AI Credits | $9.99 | one-time |
| NoteOS 20 Hour AI Credits | $12.99 | one-time |
| NoteOS Plus Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is PaperCal free?

PaperCal costs $3.99, with no in-app purchases.

### Is NoteOS free?

NoteOS is free to download, with in-app purchases available.

### Which has better reviews, PaperCal or NoteOS?

PaperCal is rated higher. PaperCal averages 4.8 out of 5 from 421 ratings, while NoteOS averages 4.5 from 27 ratings.

### Do PaperCal or NoteOS have ads?

Neither PaperCal nor NoteOS shows ads.

### Which is updated more often, PaperCal or NoteOS?

PaperCal ships an update monthly, and NoteOS every 2 months. Most recently, PaperCal was updated on September 22, 2026 and NoteOS on September 21, 2026.

---

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