# SmartPLL vs I/E Bible

The clearest difference is ratings volume: I/E Bible at 5 against SmartPLL's 1. SmartPLL's advantage is iOS requirement (13.1 vs 15.1). On price, rating, ads and in-app purchases there is nothing between them.

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 — 5.0 for SmartPLL against 5.0 for I/E Bible. That said, the two scores are not equally well evidenced: I/E Bible has 5 ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | SmartPLL | I/E Bible |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/smartpll/id1623497556/reviews) | [5.0 (5 ratings)](https://appshunter.io/ios/app/ie-bible/id6761774585/reviews) |
| Number of ratings | 1 | **5** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | — |
| Monetization | Free | Free |
| Size | 1 MB | 198 MB |
| Requires iOS | **13.1** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Z-Communications](https://appshunter.io/developer/1285508714) | [Oscar Corona](https://appshunter.io/developer/1891403709) |

## What reviewers say

### SmartPLL

[App page](https://appshunter.io/ios/app/smartpll/id1623497556)

This application allows users to program and control Z-COMM SSG series Smart Phase Locked Loop (PLL) modules. Adjust frequency, sweep mode, step time, and power output via Bluetooth or USB. Features LED status indicators and a rugged design for field or benchtop use.

**Highlights:** Bluetooth programming, USB connectivity, Frequency adjustment, Sweep mode control, Step time and size configuration, Power output adjustment, LED status indicators

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### I/E Bible

[App page](https://appshunter.io/ios/app/ie-bible/id6761774585)

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.

**Highlights:** Instrument calibration resources, AI agent for process instrumentation, Instant answers to technical questions, Streamlined calibration workflows, Centralized resource hub

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SmartPLL free?

SmartPLL is free to download, with no in-app purchases.

### Is I/E Bible free?

I/E Bible is free to download, with no in-app purchases.

### Which has better reviews, SmartPLL or I/E Bible?

SmartPLL and I/E Bible are both rated 5.0 out of 5 on the App Store, from 1 and 5 ratings respectively.

### Do SmartPLL or I/E Bible have ads?

Neither SmartPLL nor I/E Bible shows ads.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*