# NotePlan vs Soulver 4

The clearest difference is monetization model: Soulver 4 at paid against NotePlan's subscription. NotePlan's advantage is review sentiment (85% vs 76%) and ratings volume (1.5K vs 429). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. NotePlan sells 8 in-app purchases, starting at $4.99 per 7 days and Soulver 4 sells 14 in-app purchases, starting at $26.00 per year. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.8 for NotePlan against 4.9 for Soulver 4. Both are backed by a comparable volume of ratings — 1.5K and 429 respectively. Written reviews are what separate them: 85% of NotePlan's written reviews are positive against 76% of Soulver 4's.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 18, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | NotePlan | Soulver 4 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (1.5K ratings)](https://appshunter.io/ios/app/noteplan-to-do-list-and-notes/id1505432629/reviews) | **[4.9 (429 ratings)](https://appshunter.io/ios/app/soulver-4/id1508732804/reviews)** |
| Number of ratings | **1.5K** | 429 |
| Positive reviews | **85.1% of reviews** | 76.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | Subscription | **Paid** |
| Size | 210 MB | 39 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [NotePlan LLC](https://appshunter.io/developer/1137020763) | [Zac Cohan](https://appshunter.io/developer/1508732803) |

## What reviewers say

### NotePlan

[App page](https://appshunter.io/ios/app/noteplan-to-do-list-and-notes/id1505432629)

Organize your tasks, notes, and calendar in one unified app. Quickly plan your day with Markdown, link notes bi-directionally, and stay on top of your to-dos with powerful review and search features. Seamlessly integrates with your existing calendars and syncs across all your Apple devices.

**Highlights:** Unified task, note, and calendar view, Markdown for quick task and note creation, Bi-directional note linking, Calendar integration (iCloud, Google, Exchange), Flexible recurring tasks, Global Command Bar for fast navigation, Plaintext note storage

**Features:** Family Sharing, Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Personal Weekly | $4.99 | per 7 days |
| Personal Monthly | $6.99 | per month |
| Personal Monthly | $11.99 | per month |
| Personal Monthly | $12.00 | per month |
| Personal Annual | $59.99 | per year |
| Personal Annual | $99.99 | per year |
| Personal Annual | $119.99 | per year |
| Business Class | $199.99 | per year |

**What reviewers like**

- 🚀 Powerful note-taking and task management
- 👍 Seamless calendar and reminders integration
- 💡 Flexible and customizable workflow
- 🔒 Secure and open-format data storage
- 👍 Responsive and helpful developer

**What reviewers complain about**

- 💰 Expensive subscription model
- 🐛 Occasional sync and performance issues
- 👤 Limited collaboration and sharing features

**Reported bugs**

- Inconsistent sync between devices
- Crashes when opening certain files

**Requested features**

- Improved iPad and mobile app experience
- Better integration with other productivity apps
- More automation and scripting capabilities
- Weekly or monthly calendar view


### Soulver 4

[App page](https://appshunter.io/ios/app/soulver-4/id1508732804)

This app combines the functionality of a notepad with a powerful calculator. It allows users to perform complex calculations using natural language, supports unit conversions, date math, and live currency conversions. Organize your calculations in sheets with text comments and share them as PDFs.

**Highlights:** Natural language calculations, Unit and currency conversions, Date and time math, Live currency and stock prices, Customizable accessory keyboards, Spreadsheet-like line references, Variables and conditional statements

**Features:** Family Sharing, Vision Pro support

**In-app purchases (14)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI Assistant, Stocks & Weather | $26.00 | per year |
| Complementary Upgrade | Free | one-time |
| 30-day free trial (for iPhone) | Free | one-time |
| 60-day free trial (for iPad) | Free | one-time |
| 60-day free trial (for Mac) | Free | one-time |
| Soulver 4 for iPhone (upgrade) | $7.49 | one-time |
| Soulver 3 for iPhone | $14.00 | one-time |
| Soulver 4 for iPhone | $15.00 | one-time |
| Soulver 3 for iPad | $20.00 | one-time |
| Soulver 4 (Upgrade from Soulver 3) | $29.00 | one-time |
| Soulver 4 (Promotion) | $39.00 | one-time |
| Soulver 3 for Mac | $39.00 | one-time |
| Soulver 4 | $54.00 | one-time |
| Soulver 4 | $59.00 | one-time |

**What reviewers like**

- 💻 Powerful calculation tool
- 📝 Seamless note-taking integration
- 🔢 Intuitive natural language input
- 🗂️ Organized folder and sheet management
- ⚙️ Extensive unit conversion capabilities

**What reviewers complain about**

- 💰 Expensive one-time purchase price
- 🔁 Separate purchases for Mac, iPad, and iPhone
- 🤖 AI integration requires additional subscription
- 🐛 Occasional crashes and bugs reported
- 📊 Limited spreadsheet-like functionality

**Reported bugs**

- Crashes when using certain emojis in sheet titles
- Issues with iCloud sync and data migration from older versions
- Inconsistent behavior when modifying variables and formulas

**Requested features**

- Improved iPad and iPhone UI/UX
- Enhanced data export and sharing options
- More advanced mathematical and scientific functions
- Ability to define custom units and unit conversions


## Frequently asked questions

### Is NotePlan free?

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

### Is Soulver 4 free?

Soulver 4 is free to download, with in-app purchases available.

### Which has better reviews, NotePlan or Soulver 4?

Soulver 4 is rated higher. NotePlan averages 4.8 out of 5 from 1.5K ratings, while Soulver 4 averages 4.9 from 429 ratings.

### Do NotePlan or Soulver 4 have ads?

Neither NotePlan nor Soulver 4 shows ads.

### Which is updated more often, NotePlan or Soulver 4?

NotePlan ships an update monthly, and Soulver 4 monthly. Most recently, NotePlan was updated on October 18, 2026 and Soulver 4 on October 17, 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.*