Field Operator vs Open Invoice
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Field Operator
Streamline field operations with this app, designed for monitoring daily readings, run tickets, well tests, and inspections. It integrates with route surveillance for live SCADA feeds and office collaboration on task prioritization and daily planning.
- Monitor daily readings
- Enter run tickets
- Record well tests
- Conduct inspections
- View live SCADA feeds
- Collaborate with office
- Plan daily journeys
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Similar to P2's legacy eVIN system, Field Operator: Explorer Edition offers a smooth workflow for monitoring and entering daily readings, run tickets, well test, inspections and more in the field. Optimized for interaction with Route Surveillance, this edition of Field Operator adds the ability to see live SCADA feeds from remote devices and collaborate with the office in prioritizing tasks and planning the day's journey.
Open Invoice
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Open Invoice make it easy for you to create invoice. Its simple, user friendly and fast.
Screenshots
Verdict
Field Operator and Open Invoice are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
| Parameter | Field Operator | Open Invoice |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (1 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 | 14.0 |
| Further details — not scored | ||
| Size | 159 MB | 40 MB |
| Age rating | 4+ | 17+ |
| Developer | P2 Energy Solutions | Yeun Kae Ngow |
In-app purchases
Field Operator
No in-app purchases
Open Invoice
No in-app purchases
Questions
Is Field Operator free?
Is Open Invoice free?
Do Field Operator or Open Invoice have ads?
Other comparisons
