REAL vs Well Testing Suite
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
REAL
This visual dispatching system enables companies to manage group and single calls, monitor locations, and facilitate rapid dispatching. It continuously uses GPS for positioning, even in the background, which may impact battery life.
- Visual dispatching system
- Group calling
- Single calling
- Listening and viewing positioning
- Fast dispatching functions
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REAL-PTT Dispatch Console, a visual dispatching system based on the REAL-PTT system, with functions such as group calling, single calling, listening and viewing positioning, can provide companies with fast dispatching functions. Note: This application will continuously use GPS location services, and when switching to the background, it will still maintain GPS connection, which will consume more power than other operations and affect battery life.
Well Testing Suite
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H2Oil Well Testing Suite is a comprehensive engineering calculator app designed for well test supervisors, field engineers, and operations teams working in oil and gas. Every calculation runs entirely on your device - no internet connection, no cloud, no subscriptions. Your data never leaves your phone. CALCULATORS INCLUDED Well Testing - AGA-3 Orifice Gas Metering (Reader-Harris/Gallagher, ISO 5167-2 / API MPMS 14.3.1) - Dual Choke Sizing (Thornhill-Craver / Economides, critical and subcritical) - Choke Flow Rates (gas, oil, multiphase) - Separator Retention Time (two and three-phase) - Bottoms Up Time / kill sheet calculations - Solution GOR (Standing 1947) - Oil and Gas Rate (surface and reservoir) - MCF and Shrinkage Flow Assurance - Well Test Simulator: full flow path from Wellhead to SSV, Choke, Heater, Separator, Flare, Surge Tank and Atmospheric Tank. Live pressure, temperature and velocity at every node. API RP 14E erosional velocity and hydrate risk at each segment. Flare and Radiation - API 521 Flare Radiation Analysis - Interactive 3D Flare Model with touch pan and pinch-to-zoom - Radiation exclusion zones mapped to API 521 Table 5 thresholds - 2D Radiation Contour Map Reservoir Engineering - Decline Curve Analysis: Arps, Duong, Stretched Exponential with P10/P50/P90 EUR Safety - PRV Sizing (API 520 Part I) REPORTING Every calculator exports a professional PDF report including your company logo, client logo, well and field details, engineer name, and full results. Reports save directly to the Files app via the iOS share sheet. PNG and CSV exports also available. DESIGNED FOR FIELD USE - Fully offline - no Wi-Fi or cell signal required on location - Dark theme optimised for outdoor readability - Large touch targets and haptic feedback - All data stored locally with iCloud-eligible backup WHO IS IT FOR Well test supervisors, petroleum engineers, production engineers, drilling engineers, HSE engineers, and operations personnel who need fast, reliable engineering calculations on location without a laptop. Developed by H2Oil Engineering - well testing and engineering services. Contact: software@h2oil.co.uk
Screenshots
Verdict
The clearest difference is update cadence: Well Testing Suite at every 5 days against REAL's monthly. REAL's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
REAL ships an update monthly, Well Testing Suite every 5 days. The most recent releases landed on October 11, 2026 and October 18, 2026 respectively.
| Parameter | REAL | Well Testing Suite |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (11 ratings) — better | — |
| Positive reviews | 57.1% of reviews | — |
| Number of ratings | 11 — better | — |
| Update frequency | Monthly | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 68 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Shenzhen Corget Technology Co.,Ltd | H2Oil Limited |
In-app purchases
REAL
No in-app purchases
Well Testing Suite
No in-app purchases









