# PSNERGY vs ION Conferences

The clearest difference is update cadence: PSNERGY at monthly against ION Conferences's every 2 months. PSNERGY also leads on iOS requirement (13.0 vs 16.6). 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.

PSNERGY ships an update monthly, ION Conferences every 2 months. The most recent releases landed on October 15, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | PSNERGY | ION Conferences |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/psnergy/id1636048059/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free | — |
| Size | 40 MB | 57 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [PSNERGY, LLC](https://appshunter.io/developer/1625716185) | [The Institute of Navigation D C](https://appshunter.io/developer/1806714507) |

## What reviewers say

### PSNERGY

[App page](https://appshunter.io/ios/app/psnergy/id1636048059)

Monitor your furnace performance with real-time data and interactive graphs. This tool provides instant updates every second, allowing for informed tuning decisions. Track your combustion system's performance over the last minute, 5 minutes, or 30 minutes.

**Highlights:** Real-time furnace performance data, Interactive performance graphs, Second-by-second updates, Adjustable data view (1, 5, 30 minutes), User-friendly interface, Combustion system monitoring

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

**In-app purchases:** none


### ION Conferences

[App page](https://appshunter.io/ios/app/ion-conferences/id6744258983)

**Features:** Apple Wallet, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is PSNERGY free?

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

### Is ION Conferences free?

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

### Do PSNERGY or ION Conferences have ads?

Neither PSNERGY nor ION Conferences shows ads.

### Which is updated more often, PSNERGY or ION Conferences?

PSNERGY ships an update monthly, and ION Conferences every 2 months. Most recently, PSNERGY was updated on October 15, 2026 and ION Conferences on October 2, 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.*