iWell vs GreaseBook
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iWell
Monitor real-time and historical production metrics for your wells and regions. Make informed business decisions with personalized data views tailored to your company role, helping to avoid costly downtime.
- Real-time production metrics
- Historical production data
- Production region monitoring
- Personalized data views
- Avoid costly downtime
- Informed business decisions
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Real time & historical production metrics, organized to help you make better production decisions. iWell Reports and Monitoring makes sure you stay on top of production and avoid costly downtime by providing you real time production metrics of your wells and production regions. iWell Reports and Monitoring provides the information you need to see, when you need to see it, anytime, anywhere. From executives and managers, managers to field personnel, iWell Reports and Monitoring adjusts to your specific company role and provides you with the personal assistance you need to make quicker and more informed production and business decisions. The iWell app requires an initial system configuration in order for the app to function properly.
GreaseBook
Streamline oil and gas production reporting with this mobile solution. Operators can collect data, submit reports, and communicate with field teams in real-time. Pumpers can eliminate paper reports and ensure timely payments by submitting digital updates.
- Field data collection
- Digital report submission
- Real-time communication
- Photo capture of run tickets
- Organized production data
- Eliminate paper reports
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Introducing GreaseBook, the easiest, slickest, most cost-effective oil and gas production reporting solution the industry has ever seen... ***Hey, Operators!*** COLLECT: No more telephone calls to your pumpers telling them to "get their data in"! From orphan wells to lengthy routes, no matter what form your pumping takes, GreaseBook keeps your pumpers focused on moving those production updates from field to office. SUBMIT: Easily gather everything that matters. Track tank levels, capture notes, administer well tests, submit photos of scanned run tickets. All from the field. All on your mobile device. All over the cellular network. DISCUSS: Connect with the people who help you get it all done. Communicate, collaborate, and share in real-time with your guys and gals in the field without ever leaving the GreaseBook. REVIEW: Access fast, accurate gauge sheets. No need to re-key production or manipulate Excel. Just one click and your production is organized into a beautiful screen-friendly layout. ***Hey, Pumpers!*** - No more production reports: submit your production reports at the touch of a button, never fill out or tally up a paper or excel sheet again… - Get paid on-time: Your employer will be ecstatic knowing his paperwork is on-time, and error free. When you submit your production reports on-time, you can expect to get paid on-time… - Never mail, scan, or fax a run ticket again: Capture an image of each ticket with your device’s camera. GreaseBook automatically attaches the image to the correct tank and lease. No more misplaced tickets, and no more tickets blowing out the window. **Oil & Gas Awards "New Tech Development of the Year" Finalist** **As featured in the American Oil & Gas Reporter** **As featured in E&P Magazine** **As featured in the Oil & Gas Financial Journal** Do you think we’re crazy? Good. GreaseBook wants you to know that a new wave is coming, and that we intend to domesticate this technology explicitly for the profit of the independent oil & gas operator. **PLEASE NOTE: GreaseBook for iOS requires a GreaseBook account Copyright 2024 GreaseBook. All rights reserved. Patents Pending. GreaseBook is a trademark of Greasebook, LLC.
Screenshots
Verdict
iWell and GreaseBook both sit at 4.0 stars, but that hides the real split: 85% of GreaseBook's written reviews are positive against 67% of iWell's. GreaseBook also leads on ratings volume (63 vs 4) and update cadence (every 11 days vs monthly). On price, rating, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 4.0 for iWell against 3.9 for GreaseBook. That said, the two scores are not equally well evidenced: GreaseBook has 63 ratings behind it against 4, so its average is the more settled of the two. Written reviews are what separate them: 67% of iWell's written reviews are positive against 85% of GreaseBook's.
iWell ships an update monthly, GreaseBook every 11 days. The most recent releases landed on September 13, 2026 and September 17, 2026 respectively.
| Parameter | iWell | GreaseBook |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (4 ratings) — better | 3.9 (63 ratings) |
| Positive reviews | 66.7% of reviews | 85.2% of reviews — better |
| Number of ratings | 4 | 63 — better |
| Update frequency | Monthly | Every 11 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.4 | 15.0 — better |
| Further details — not scored | ||
| Size | 124 MB | 220 MB |
| Age rating | 4+ | 4+ |
| Developer | Designio | GreaseBook, LLC |
Customer experience
iWell
GreaseBook
In-app purchases
iWell
No in-app purchases
GreaseBook
No in-app purchases









