PowerAssist™ vs Cat® SIS2GO
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PowerAssist™
Access detailed serial-specific engine information for John Deere equipment. Retrieve engine and aftertreatment details, software versions, manufacturing dates, and emissions certificates by entering the serial number.
- Serial number lookup
- Engine and aftertreatment info
- Software version details
- Manufacturing date
- Emissions certificates
- Manuals and catalogs
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John Deere PowerAssist™ provides serial specific information for your John Deere engine. Enter the serial number to find; engine and after treatment information, engine model, date of manufacture, current/available software, ECU level, manuals, catalogs, option codes, emissions certificates.
Cat® SIS2GO
Access essential manuals and order parts for your Cat equipment. A subscription unlocks detailed service information, including troubleshooting guides and repair procedures, even offline.
- Operation and Maintenance Manuals
- Parts Manuals
- Parts identification and ordering
- Service Manual information
- Troubleshooting guides
- Repair procedures
- Schematics
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The Cat® SIS2GO app helps you maintain, troubleshoot, and repair your Cat equipment. Two levels of SIS2GO access are available: • Cat Operation and Maintenance Manuals, Parts Manuals, and the ability to identify, verify and seamlessly order Cat parts from independent Cat dealers are available to all users at no charge. • An affordable monthly or annual subscription (offered by Caterpillar) gives access to comprehensive Cat Service Manual information. The subscription provides troubleshooting guides, step-by-step repair procedures, tooling information, hydraulic and electrical schematics, and more. Access to service manual information in SIS2GO is included with a SIS 2.0 subscription (offered by Cat dealers). Optimized for mobile devices, SIS2GO offers a simple, intuitive, and efficient user interface to access Service, Parts, and Operation and Maintenance Manual information. SIS2GO downloaded content is accessible whether you’re connected or not, so you can rely on SIS2GO even when working on the most remote job site. And for any purchases, following is the terms Payment will be charged to iTunes Account at confirmation of purchase. The subscription automatically renews unless auto-renew is turned off at-least 24-hours before the end of the current period. Account will be charged for renewal within 24-hours prior to the end of the current period. You may manage your subscription and turn off auto-renewal by going to your Account Settings after purchase. For additional information, please read our Privacy Policy & EULA - https://www.cat.com/en_US/support/maintenance/sis2go-app/legal-terms-and-conditions.html Supported Languages: English (English), Français (French), Deutsch (German), Bahasa Indonesia (Indonesian), Italiano (Italian), Português (Portuguese), 简体中文 (Simplified Chinese), Español (Spanish), 日本語 (Japanese), русский (Russian)
Screenshots
Verdict
The clearest difference is rating: PowerAssist™ at 3.1 against Cat® SIS2GO's 2.2. PowerAssist™ also leads on in-app purchases (none vs 27) and review sentiment (33% vs 10%). Cat® SIS2GO's advantage is update cadence (every 5 weeks vs every 5 months) and ratings volume (90 vs 16). On price, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Cat® SIS2GO sells 27 in-app purchases, starting at $0.99 per month. PowerAssist™ asks for nothing beyond the download.
PowerAssist™ holds the better App Store score, 3.1 against 2.2. That said, the two scores are not equally well evidenced: Cat® SIS2GO has 90 ratings behind it against 16, so its average is the more settled of the two. Written reviews point the same way: 33% of PowerAssist™'s written reviews are positive against 10% of Cat® SIS2GO's.
PowerAssist™ ships an update every 5 months, Cat® SIS2GO every 5 weeks. The most recent releases landed on September 20, 2026 and September 24, 2026 respectively.
| Parameter | PowerAssist™ | Cat® SIS2GO |
|---|---|---|
| Price | Free | Free |
| Rating | 3.1 (16 ratings) — better | 2.2 (90 ratings) |
| Positive reviews | 33.3% of reviews — better | 9.7% of reviews |
| Number of ratings | 16 | 90 — better |
| Update frequency | Every 5 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 12 MB | 176 MB |
| Age rating | 4+ | 4+ |
| Developer | John Deere | Caterpillar Inc. |
Customer experience
PowerAssist™
Cat® SIS2GO
Bugs and requests
PowerAssist™
Not enough reviews yet to summarise bugs or requests.
Cat® SIS2GO
Reported bugs
13 issues- 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
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- App crashes when accessing specific machine information
- Incompatibility with iOS 17+ and M1 MacBook Air
- Account creation failures
- App won't open or load on iPhone and iPad
- Crashes after recent Apple OS updates
- Files refuse to download on any network connection
- Inability to access previously downloaded machines
- Cookie acceptance loop causing repeated login screens
Requested features
6 requests- 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
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- Subscription model transparency and clarity
In-app purchases
PowerAssist™
No in-app purchases
Cat® SIS2GO
- Retail Limited Monthly 1$0.991 Month
- Retail Limited1 monthly$0.991 Month
- Retail Limited Yearly 1$1.991 Year
Show 24 moreShow fewer
- Limited Retail1 Yearly$1.991 Year
- SIS2GO Subscription 1 Monthly$14.991 Month
- SIS2GO Subscription 2 Monthly$14.991 Month
- SIS2GO Subscription 3 Monthly$14.991 Month
- SIS2GO Subscription 4 Monthly$14.991 Month
- Retail Exp Product 8 Monthly$14.991 Month
- Retail Exp Product 10 Monthly$14.991 Month
- SIS2GO Subscription 13 Monthly$14.991 Month
- SIS2GO Subscription 10 Monthly$14.991 Month
- SIS2GO Subscription 12 Monthly$14.991 Month
- SIS2GO Subscription 9 Monthly$14.991 Month
- SIS2GO Subscription 6 Monthly$14.991 Month
- SIS2GO Subscription 8 Monthly$14.991 Month
- SIS2GO Subscription 7 Monthly$14.991 Month
- SIS2GO Subscription 5 Monthly$14.991 Month
- SIS2GO Subscription 1 Yearly$149.991 Year
- SIS2GO Subscription 2 Yearly$149.991 Year
- SIS2GO Subscription 3 Yearly$149.991 Year
- Retail Exp Product 10 Yearly$149.991 Year
- Retail Exp Product 8 Yearly$149.991 Year
- Retail Exp Product 9 Yearly$149.991 Year
- SIS2GO Subscription 6 Yearly$149.991 Year
- SIS2GO Subscription 4 Yearly$149.991 Year
- SIS2GO Subscription 5 Yearly$149.991 Year
Questions
Is PowerAssist™ free?
Is Cat® SIS2GO free?
Which has better reviews, PowerAssist™ or Cat® SIS2GO?
Do PowerAssist™ or Cat® SIS2GO have ads?
Which is updated more often, PowerAssist™ or Cat® SIS2GO?
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