# i3 KNX vs RollerText 3

The clearest difference is in-app purchases: i3 KNX at none against RollerText 3's 4. i3 KNX also leads on iOS requirement (11.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. RollerText 3 sells 4 in-app purchases, starting at $0.49 per month. i3 KNX asks for nothing beyond the download.

## The numbers

| Metric | i3 KNX | RollerText 3 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Free | — |
| Size | 53 MB | 8 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [iRidium Ltd.](https://appshunter.io/developer/1050642680) | [Tomoyuki Okawa](https://appshunter.io/developer/421623755) |

## What reviewers say

### i3 KNX

[App page](https://appshunter.io/ios/app/i3-knx/id1497857592)

Control your KNX smart home, office, or hotel automation system from a single interface. Integrate cameras, intercoms, and multimedia for comprehensive management. Create timers, schedules, and utilize voice control for seamless automation.

**Highlights:** KNX system integration, Camera and intercom integration, Timer and schedule creation, Voice control capabilities, Secure remote access, Fast project setup

**Features:** macOS Compatibility

**In-app purchases:** none


### RollerText 3

[App page](https://appshunter.io/ios/app/rollertext-3/id6748550297)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 month Unlimited | $0.49 | per month |
| 3 months Unlimited | $1.99 | per 3 months |
| 6 months Unlimited | $2.99 | per 6 months |
| 1 year Unlimited | $4.99 | per year |


## Frequently asked questions

### Is i3 KNX free?

i3 KNX is free to download, with no in-app purchases.

### Is RollerText 3 free?

RollerText 3 is free to download, with in-app purchases available.

### Do i3 KNX or RollerText 3 have ads?

Neither i3 KNX nor RollerText 3 shows ads.

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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.*