I/E Bible vs My LoopCal
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
I/E Bible
This app provides a centralized hub for instrument calibration resources. It offers instant answers to process instrumentation questions through an integrated AI agent, streamlining calibration workflows.
- Instrument calibration resources
- AI agent for process instrumentation
- Instant answers to technical questions
- Streamlined calibration workflows
- Centralized resource hub
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Streamline your instrument calibration process with I/E Bible. Get all your calibration resources and get instant answers to your process instrumentation questions with our integrated AI agent. Oscar Corona/Jacob Yepez
My LoopCal
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LoopCal is a fast, fully offline field toolkit for instrumentation and calibration technicians who work with 4–20 mA current loops and analog process signals. CONVERT INSTANTLY • 4–20 mA, 0–20 mA, 0–10 V, 1–5 V, and your own custom signal endpoints • Direct-acting and reverse-acting ranges • Linear and square-root (flow) transfer functions • Engineering ranges with any unit, including negative and offset spans • Percent, signal, and engineering values update as you type, with the substituted formula shown VERIFY AND DOCUMENT • Three-point, five-point, and custom 2–21-point checks • As-found and as-left runs with immediate error and pass/fail • Percent-of-span, signal-unit, or engineering-unit tolerance basis • Worst-point and maximum-error summaries LOOP POWER MATH • Shunt resistor voltage drop • Required supply voltage and remaining compliance • Maximum loop and wire resistance ORGANIZE AND SHARE • Save instruments, ranges, and history • Due-date reminders • PDF and CSV field worksheets with your company identity PRIVATE BY DESIGN • Everything runs on your device. No account, no ads, no tracking, no network. LoopCal is a calculation aid and field worksheet — not a calibrator, an accredited calibration service, or a replacement for manufacturer procedures. Always follow site lockout/tagout, operations authorization, device manuals, and approved procedures. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: I/E Bible at none against My LoopCal's 3. I/E Bible also leads on iOS requirement (15.1 vs 17.0). 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. My LoopCal sells 3 in-app purchases, starting at $1.99 per month. I/E Bible asks for nothing beyond the download.
| Parameter | I/E Bible | My LoopCal |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (4 ratings) — better | — |
| Number of ratings | 4 — better | — |
| Update frequency | — | Monthly |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.1 — better | 17.0 |
| Further details — not scored | ||
| Size | 198 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Oscar Corona | Neobile LLC |
In-app purchases
I/E Bible
No in-app purchases
My LoopCal
- Monthly$1.991 Month
- Annual$4.991 Year
- Lifetime$6.99








