# GTS Interior Supply vs I4Less

The clearest difference is update cadence: I4Less at every 5 months against GTS Interior Supply's every 18 months. I4Less also leads on iOS requirement (8.0 vs 15.6). 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.

GTS Interior Supply ships an update every 18 months, I4Less every 5 months. The most recent releases landed on October 24, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | GTS Interior Supply | I4Less |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/i4less/id1611946070/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 18 months | **Every 5 months** |
| Monetization | — | Free |
| Size | 56 MB | 70 MB |
| Requires iOS | 15.6 | **8.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kodaris, Inc](https://appshunter.io/developer/1032999279) | [Insulation4less](https://appshunter.io/developer/1610825508) |

## What reviewers say

### GTS Interior Supply

[App page](https://appshunter.io/ios/app/gts-interior-supply/id1511557757)

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

**In-app purchases:** none


### I4Less

[App page](https://appshunter.io/ios/app/i4less/id1611946070)

This app provides high-quality reflective insulation products at competitive prices. It offers fast shipping and detailed information for both professional contractors and DIY enthusiasts.

**Highlights:** Best reflective insulation products, Competitive delivered pricing, Fast shipping, Detailed technical data, Installation instructions, Email communication

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is GTS Interior Supply free?

GTS Interior Supply is free to download, with no in-app purchases.

### Is I4Less free?

I4Less is free to download, with no in-app purchases.

### Do GTS Interior Supply or I4Less have ads?

Neither GTS Interior Supply nor I4Less shows ads.

### Which is updated more often, GTS Interior Supply or I4Less?

GTS Interior Supply ships an update every 18 months, and I4Less every 5 months. Most recently, GTS Interior Supply was updated on October 24, 2026 and I4Less on October 15, 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.*