# Prizmo › Document Scanner, OCR vs Soulver 4

The clearest difference is rating: Soulver 4 at 4.9 against Prizmo › Document Scanner, OCR's 4.4. Soulver 4 also leads on review sentiment (76% vs 54%). Prizmo › Document Scanner, OCR's advantage is monetization model (free with in-app purchases vs paid). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Prizmo › Document Scanner, OCR sells 6 in-app purchases, starting at $3.99 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 4.4. Both are backed by a comparable volume of ratings — 156 and 429 respectively. Written reviews point the same way: 54% of Prizmo › Document Scanner, OCR's written reviews are positive against 76% of Soulver 4's.

Prizmo › Document Scanner, OCR ships an update every 6 weeks, Soulver 4 monthly. Both last shipped on September 22, 2026.

## The numbers

| Metric | Prizmo › Document Scanner, OCR | Soulver 4 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (156 ratings)](https://appshunter.io/ios/app/prizmo-document-scanner-ocr/id1460243446/reviews) | **[4.9 (429 ratings)](https://appshunter.io/ios/app/soulver-4/id1508732804/reviews)** |
| Number of ratings | 156 | **429** |
| Positive reviews | 53.7% of reviews | **75.8% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Monthly** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 86 MB | 39 MB |
| Requires iOS | **17.5** | 17.6 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Creaceed SRL](https://appshunter.io/developer/291683889) | [Zac Cohan](https://appshunter.io/developer/1508732803) |

## What reviewers say

### Prizmo › Document Scanner, OCR

[App page](https://appshunter.io/ios/app/prizmo-document-scanner-ocr/id1460243446)

This app transforms your iPhone or iPad into a powerful document scanner. It captures, enhances, and recognizes text from documents and business cards, exporting them as searchable PDFs or DOCX files. Features include advanced editing, OCR, text-to-speech, and cloud integration.

**Highlights:** High-quality document scanning, Accurate on-device and cloud OCR, Searchable PDF and DOCX export, Business card scanning to Contacts, Text-to-speech and accessibility features, Advanced editing and annotation tools, Cloud integration and auto-upload

**Features:** macOS Compatibility, Family Sharing, iMessage stickers, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cloud Plan (S) - Monthly | $3.99 | per month |
| Cloud Plan (S) - Yearly | $9.99 | per year |
| Cloud Plan (L) - Monthly | $9.99 | per month |
| Cloud Plan (L) - Yearly | $49.99 | per year |
| Premium Pack (Upgrade 4 > 5) | $15.99 | one-time |
| Premium Pack (non-recurring) | $23.99 | one-time |


### 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 Prizmo › Document Scanner, OCR free?

Prizmo › Document Scanner, OCR 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, Prizmo › Document Scanner, OCR or Soulver 4?

Soulver 4 is rated higher. Prizmo › Document Scanner, OCR averages 4.4 out of 5 from 156 ratings, while Soulver 4 averages 4.9 from 429 ratings.

### Do Prizmo › Document Scanner, OCR or Soulver 4 have ads?

Neither Prizmo › Document Scanner, OCR nor Soulver 4 shows ads.

### Which is updated more often, Prizmo › Document Scanner, OCR or Soulver 4?

Prizmo › Document Scanner, OCR ships an update every 6 weeks, and Soulver 4 monthly. Most recently, Prizmo › Document Scanner, OCR was updated on September 22, 2026 and Soulver 4 on September 22, 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.*