# CAT216B3 vs Cat® SIS2GO

The clearest difference is rating: CAT216B3 at 3.6 against Cat® SIS2GO's 2.2. CAT216B3 also leads on review sentiment (50% vs 11%) and in-app purchases (none vs 10). Cat® SIS2GO's advantage is ratings volume (94 vs 7). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Cat® SIS2GO sells 10 in-app purchases, starting at $14.99 per month. CAT216B3 asks for nothing beyond the download.

CAT216B3 holds the better App Store score, 3.6 against 2.2. That said, the two scores are not equally well evidenced: Cat® SIS2GO has 94 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 50% of CAT216B3's written reviews are positive against 11% of Cat® SIS2GO's.

CAT216B3 ships an update every 2 months, Cat® SIS2GO every 6 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | CAT216B3 | Cat® SIS2GO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (7 ratings)](https://appshunter.io/ios/app/cat216b3/id1481053906/reviews)** | [2.2 (94 ratings)](https://appshunter.io/ios/app/cat-sis2go/id1528609895/reviews) |
| Number of ratings | 7 | **94** |
| Positive reviews | **50.0% of reviews** | 10.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 116 MB | 195 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Beebox Studios Private Limited](https://appshunter.io/developer/1403041028) | [Caterpillar Inc.](https://appshunter.io/developer/571668770) |

## What reviewers say

### CAT216B3

[App page](https://appshunter.io/ios/app/cat216b3/id1481053906)

Visualize a Caterpillar 216B3 Skid Steer Loader in real size using augmented reality. Explore its functionalities, simulate obstructions, and capture screenshots of the virtual machine in your environment.

**Highlights:** Real-size AR visualization, Interactive machine controls, Obstruction simulation, Adjustable scale options, Screenshot functionality, Rescan placement

**Features:** macOS Compatibility

**In-app purchases:** none


### Cat® SIS2GO

[App page](https://appshunter.io/ios/app/cat-sis2go/id1528609895)

Access essential manuals and order parts for your Cat equipment. A subscription unlocks detailed service information, including troubleshooting guides and repair procedures, even offline.

**Highlights:** Operation and Maintenance Manuals, Parts Manuals, Parts identification and ordering, Service Manual information, Troubleshooting guides, Repair procedures, Schematics

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SIS2GO Subscription 1 Monthly | $14.99 | per month |
| SIS2GO Subscription 2 Monthly | $14.99 | per month |
| SIS2GO Subscription 3 Monthly | $14.99 | per month |
| SIS2GO Subscription 4 Monthly | $14.99 | per month |
| SIS2GO Subscription 6 Monthly | $14.99 | per month |
| SIS2GO Subscription 8 Monthly | $14.99 | per month |
| SIS2GO Subscription 7 Monthly | $14.99 | per month |
| SIS2GO Subscription 5 Monthly | $14.99 | per month |
| SIS2GO Subscription 1 Yearly | $149.99 | per year |
| SIS2GO Subscription 2 Yearly | $149.99 | per year |

**What reviewers like**

- 📚 Comprehensive technical documentation and repair guides
- 🔧 Useful troubleshooting information and torque specifications
- 📦 Convenient parts ordering and availability checking
- ⚡ Works well when functioning properly
- 🏪 Quick access to dealer branch information

**What reviewers complain about**

- 🐛 Frequent crashes and white screen freezes
- 🔐 Persistent login loops and authentication failures
- ⏳ Extremely slow loading times and freezing
- 📱 Severe iOS/iPad compatibility issues
- ❌ App fails to launch past splash screen

**Reported bugs**

- App stuck on SIS2GO logo splash screen
- Login credentials not recognized despite valid accounts
- Endless login loop after authentication
- White screen crashes during operation
- Downloads freeze and fail to complete

**Requested features**

- Improve QR code scanner functionality
- Better image quality and zoom capability for diagrams
- Complete offline access to downloaded manuals
- Accurate parts labeling and organization
- Support for more machine models and serial numbers


## Frequently asked questions

### Is CAT216B3 free?

CAT216B3 is free to download, with no in-app purchases.

### Is Cat® SIS2GO free?

Cat® SIS2GO is free to download, with in-app purchases available.

### Which has better reviews, CAT216B3 or Cat® SIS2GO?

CAT216B3 is rated higher. CAT216B3 averages 3.6 out of 5 from 7 ratings, while Cat® SIS2GO averages 2.2 from 94 ratings.

### Do CAT216B3 or Cat® SIS2GO have ads?

Neither CAT216B3 nor Cat® SIS2GO shows ads.

### Which is updated more often, CAT216B3 or Cat® SIS2GO?

CAT216B3 ships an update every 2 months, and Cat® SIS2GO every 6 weeks. Most recently, CAT216B3 was updated on November 3, 2026 and Cat® SIS2GO on November 3, 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.*