# Pilkington Spectrum vs AEco.1

The clearest difference is in-app purchases: Pilkington Spectrum at none against AEco.1's 1. Pilkington Spectrum also leads on iOS requirement (9.3 vs 11). AEco.1's advantage is ads (none vs shown) and update cadence (monthly vs every 3 months). On price and device support there is nothing between them.

Both are free to download. AEco.1 sells 1 in-app purchase, starting at $11.99 per year. Pilkington Spectrum asks for nothing beyond the download.

Pilkington Spectrum ships an update every 3 months, AEco.1 monthly. The most recent releases landed on October 14, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Pilkington Spectrum | AEco.1 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Ad-supported | — |
| Size | 87 MB | 70 MB |
| Requires iOS | **9.3** | 11 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pilkington Group Ltd](https://appshunter.io/developer/1184941969) | [EASY SmartHome GmbH](https://appshunter.io/developer/986272099) |

## What reviewers say

### Pilkington Spectrum

[App page](https://appshunter.io/ios/app/pilkington-spectrum/id1184941970)

This application calculates key properties of insulating glass units, including light, solar, and sound insulation values. It provides detailed information on various glazing configurations and product ranges. Access technical contacts for further assistance.

**Highlights:** Calculate light and solar properties, Determine centre pane U-value, Assess sound insulation values, Analyze UV transmittance and color rendering, Evaluate impact resistance and fire resistance, Access comprehensive product database, Find technical contact information

**Features:** macOS Compatibility

**In-app purchases:** none


### AEco.1

[App page](https://appshunter.io/ios/app/aeco1/id1564707111)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ABO AEco.1 Cloud-Service | $11.99 | per year |


## Frequently asked questions

### Is Pilkington Spectrum free?

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

### Is AEco.1 free?

AEco.1 is free to download, with in-app purchases available.

### Do Pilkington Spectrum or AEco.1 have ads?

Pilkington Spectrum shows ads; AEco.1 does not.

### Which is updated more often, Pilkington Spectrum or AEco.1?

Pilkington Spectrum ships an update every 3 months, and AEco.1 monthly. Most recently, Pilkington Spectrum was updated on October 14, 2026 and AEco.1 on October 27, 2026.

---

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