# SumsApp vs Soulver 4

The clearest difference is rating: Soulver 4 at 4.9 against SumsApp's 4.6. Soulver 4 also leads on review sentiment (76% vs 64%). SumsApp's advantage is update cadence (every 10 days vs monthly) and monetization model (free with in-app purchases vs paid). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. SumsApp sells 3 in-app purchases, starting at $0.99 per month 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.

Soulver 4 holds the better App Store score, 4.9 against 4.6. Both are backed by a comparable volume of ratings — 175 and 435 respectively. Written reviews point the same way: 64% of SumsApp's written reviews are positive against 76% of Soulver 4's.

SumsApp ships an update every 10 days, Soulver 4 monthly. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | SumsApp | Soulver 4 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (175 ratings)](https://appshunter.io/ios/app/sumsapp/id989345503/reviews) | **[4.9 (435 ratings)](https://appshunter.io/ios/app/soulver-4/id1508732804/reviews)** |
| Number of ratings | 175 | **435** |
| Positive reviews | 63.6% of reviews | **76.3% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Monthly |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 4 MB | 39 MB |
| Requires iOS | 17.6 | 17.6 |
| Devices | iPhone, iPad, Mac | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Tsuyoshi Niwa](https://appshunter.io/developer/888556976) | [Zac Cohan](https://appshunter.io/developer/1508732803) |

## What reviewers say

### SumsApp

[App page](https://appshunter.io/ios/app/sumsapp/id989345503)

This smart notepad automatically detects numbers within your notes and calculates their totals. Organize notes into folders for combined totals and use advanced search to filter and sum specific entries. It's a calculator and spreadsheet replacement for everyday number tracking.

**Highlights:** Automatic number detection, Automatic total calculation, Notes organization into folders, Combined folder totals, Advanced search and filtering, Freestyle note-taking with numbers

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $0.99 | per month |
| Every 6 Months | $4.49 | per 6 months |
| Yearly Subscription | $7.99 | per year |

**What reviewers like**

- 👍 Simple and easy to use
- 💡 Ingenious concept for calculations
- 🚀 Efficient for quick math
- 👍 Useful for expense tracking
- 👍 Great for financial management

**What reviewers complain about**

- 😞 Aggressive subscription prompts
- 😞 Data loss and deletion issues
- 😞 Paid for app, now locked out
- 😞 Frequent pop-ups for Pro upgrade
- 😞 Unreliable data saving

**Reported bugs**

- Data is deleted/lost
- App crashes after recent update
- Pop-up prompts for Pro version appear constantly
- Restore purchase does not work
- Information entered disappears

**Requested features**

- Add '+' and '÷' symbols to number bar
- Option to sync Mac version
- Ability to group files for 'Totals' figure
- Button to add date stamp
- Option to automatically display date in notes


### 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 SumsApp free?

SumsApp 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, SumsApp or Soulver 4?

Soulver 4 is rated higher. SumsApp averages 4.6 out of 5 from 175 ratings, while Soulver 4 averages 4.9 from 435 ratings.

### Do SumsApp or Soulver 4 have ads?

Neither SumsApp nor Soulver 4 shows ads.

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

SumsApp ships an update every 10 days, and Soulver 4 monthly. Most recently, SumsApp was updated on October 26, 2026 and Soulver 4 on October 27, 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.*