# SwiftSize vs i2P Digital Experience

The clearest difference is price: i2P Digital Experience at Free against SwiftSize's $9.99. i2P Digital Experience also leads on update cadence (every 6 weeks vs every 10 months) and iOS requirement (11.0 vs 17.0). SwiftSize's advantage is chart position (#123 vs unranked). On ads, in-app purchases and device support there is nothing between them.

i2P Digital Experience is free to download; SwiftSize costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

SwiftSize ships an update every 10 months, i2P Digital Experience every 6 weeks. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | SwiftSize | i2P Digital Experience |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | **[4.0 (3 ratings)](https://appshunter.io/ios/app/swiftsize/id942306458/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 6 weeks** |
| Monetization | Paid | — |
| Best chart rank | **#123** | — |
| Size | 2 MB | 141 MB |
| Requires iOS | 17.0 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Design Comfort](https://appshunter.io/developer/942306457) | [THE SIAM CEMENT PUBLIC COMPANY LIMITED](https://appshunter.io/developer/881725611) |

## What reviewers say

### SwiftSize

[App page](https://appshunter.io/ios/app/swiftsize/id942306458)

**Currently charting:** #123 Top Paid · Business (US App Store)

This HVAC tool quickly calculates residential heating and cooling loads on-site. It streamlines the process for professionals, allowing for faster equipment sizing and more customer consultation time. Generate shareable PDF reports of your calculations.

**Highlights:** Quick heat load calculations, On-site measurements, Accurate equipment sizing, Shareable PDF reports, Minimizes engineering time, Equipment changeout focus

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

**In-app purchases:** none


### i2P Digital Experience

[App page](https://appshunter.io/ios/app/i2p-digital-experience/id1668057990)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SwiftSize free?

SwiftSize costs $9.99, with no in-app purchases.

### Is i2P Digital Experience free?

i2P Digital Experience is free to download, with no in-app purchases.

### Do SwiftSize or i2P Digital Experience have ads?

Neither SwiftSize nor i2P Digital Experience shows ads.

### Which is updated more often, SwiftSize or i2P Digital Experience?

SwiftSize ships an update every 10 months, and i2P Digital Experience every 6 weeks. Most recently, SwiftSize was updated on October 24, 2026 and i2P Digital Experience on October 10, 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.*