# Source Viewer XL vs SaneBox

The clearest difference is price: SaneBox at Free against Source Viewer XL's $1.99. SaneBox also leads on update cadence (every 3 weeks vs every 28 months) and ratings volume (651 vs 3). Source Viewer XL's advantage is in-app purchases (none vs 10). On rating, review sentiment, ads and device support there is nothing between them.

SaneBox is free to download; Source Viewer XL costs $1.99 up front. SaneBox sells 10 in-app purchases, starting at $6.99 per month. Source Viewer XL asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for Source Viewer XL against 4.6 for SaneBox. That said, the two scores are not equally well evidenced: SaneBox has 651 ratings behind it against 3, so its average is the more settled of the two. Written reviews are what separate them: 57% of Source Viewer XL's written reviews are positive against 61% of SaneBox's.

Source Viewer XL ships an update every 28 months, SaneBox every 3 weeks. The most recent releases landed on October 23, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Source Viewer XL | SaneBox |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/source-viewer-xl/id364691406/reviews)** | [4.6 (651 ratings)](https://appshunter.io/ios/app/sanebox-ai-email-cleaner/id1497929071/reviews) |
| Number of ratings | 3 | **651** |
| Positive reviews | 57.1% of reviews | **61.3% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 28 months | **Every 3 weeks** |
| Monetization | Paid | **Freemium** |
| Size | 1 MB | 18 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [Piet Jonas](https://appshunter.io/developer/288060167) | [SaneBox](https://appshunter.io/developer/652172061) |

## What reviewers say

### Source Viewer XL

[App page](https://appshunter.io/ios/app/source-viewer-xl/id364691406)

View the HTML, CSS, and JavaScript source code of any website. Highlighted syntax, extracted links, and image galleries make code analysis easy. Save images, bookmarks, and history for later.

**Highlights:** Syntax highlighting for HTML, CSS, and JavaScript, Extracts and follows embedded links, Lists and views all website images, Saves images to photo album, Bookmark and session history management, Copy/paste code functionality

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

**In-app purchases:** none


### SaneBox

[App page](https://appshunter.io/ios/app/sanebox-ai-email-cleaner/id1497929071)

This app enhances your email management experience by automatically sorting important messages, hiding distractions, and allowing you to unsubscribe from unwanted emails. It connects to any email service and learns your preferences to declutter your inbox.

**Highlights:** Automatic inbox sorting, AI-powered email analysis, Distraction filtering, One-click unsubscribe, Email follow-up reminders, Do Not Disturb mode

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Snack - Legacy | $6.99 | per month |
| Monthly Snack | $6.99 | per month |
| Monthly Lunch - Legacy | $11.99 | per month |
| Monthly Lunch | $11.99 | per month |
| Monthly Dinner | $35.99 | per month |
| Yearly Snack - Legacy | $58.99 | per year |
| Yearly Snack | $58.99 | per year |
| Yearly Lunch - Legacy | $98.99 | per year |
| Yearly Lunch | $98.99 | per year |
| Yearly Dinner | $299.99 | per year |

**What reviewers like**

- 👍 Brings sanity to inbox
- 🚀 Time-saving email management
- 👍 Customizable and intuitive
- 👍 Helpful for neurodivergent and chronically ill users
- 👍 Great for autistic individuals

**What reviewers complain about**

- 🐛 Challenging setup and learning curve
- 🐛 Emails sometimes get redirected or lost
- 🐛 Aggressive marketing and difficulty unsubscribing
- 🐛 Performance issues over time
- 🐛 Lack of transparency and control over email sorting

**Reported bugs**

- Emails disappearing or getting redirected
- Folders and settings not working as expected
- Aggressive marketing and difficulty unsubscribing

**Requested features**

- More transparent and customizable email sorting
- Improved integration with email clients
- Better mobile experience


## Frequently asked questions

### Is Source Viewer XL free?

Source Viewer XL costs $1.99, with no in-app purchases.

### Is SaneBox free?

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

### Which has better reviews, Source Viewer XL or SaneBox?

Source Viewer XL is rated higher. Source Viewer XL averages 4.7 out of 5 from 3 ratings, while SaneBox averages 4.6 from 651 ratings.

### Do Source Viewer XL or SaneBox have ads?

Neither Source Viewer XL nor SaneBox shows ads.

### Which is updated more often, Source Viewer XL or SaneBox?

Source Viewer XL ships an update every 28 months, and SaneBox every 3 weeks. Most recently, Source Viewer XL was updated on October 23, 2026 and SaneBox on October 29, 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.*