# TPNI Session Polling vs ASD InspectPro™

The clearest difference is update cadence: ASD InspectPro™ at every 2 months against TPNI Session Polling's every 12 months. TPNI Session Polling's advantage is iOS requirement (12.2 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

TPNI Session Polling ships an update every 12 months, ASD InspectPro™ every 2 months. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | TPNI Session Polling | ASD InspectPro™ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/asd-inspectpro/id6463932328/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 105 MB | 58 MB |
| Requires iOS | **12.2** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [The Pulse Network Inc](https://appshunter.io/developer/987514337) | [ASD Inspection Pro](https://appshunter.io/developer/1705274844) |

## What reviewers say

### TPNI Session Polling

[App page](https://appshunter.io/ios/app/tpni-session-polling/id1511134059)

**Features:** macOS Compatibility

**In-app purchases:** none


### ASD InspectPro™

[App page](https://appshunter.io/ios/app/asd-inspectpro/id6463932328)

Manage and document Air Sampling Smoke Detection (ASD) system tests and inspections with precision. This app integrates NFC technology for swift data capture from ASD accessories, offering comprehensive reporting and analysis to ensure system compliance and reliability.

**Highlights:** Streamline ASD system management, Record and oversee system evaluations, NFC integration with ASD accessories, Swift and accurate data capture, Comprehensive reporting and analysis, Customizable checklists and reminders, Robust data security and encryption

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

**In-app purchases:** none


## Frequently asked questions

### Is TPNI Session Polling free?

TPNI Session Polling is free to download, with no in-app purchases.

### Is ASD InspectPro™ free?

ASD InspectPro™ is free to download, with no in-app purchases.

### Do TPNI Session Polling or ASD InspectPro™ have ads?

Neither TPNI Session Polling nor ASD InspectPro™ shows ads.

### Which is updated more often, TPNI Session Polling or ASD InspectPro™?

TPNI Session Polling ships an update every 12 months, and ASD InspectPro™ every 2 months. Most recently, TPNI Session Polling was updated on October 29, 2026 and ASD InspectPro™ on October 30, 2026.

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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.*