# i vs ResponderApp

The clearest difference is update cadence: ResponderApp at monthly against i's every 6 months. i's advantage is iOS requirement (11.0 vs 15.1). 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.

i ships an update every 6 months, ResponderApp monthly. The most recent releases landed on October 10, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | i | ResponderApp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.0 (50 ratings)](https://appshunter.io/ios/app/responderapp/id1569640151/reviews)** |
| Number of ratings | — | **50** |
| Positive reviews | — | 30.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Monthly** |
| Monetization | — | Free |
| Size | 48 MB | 44 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [i-PRO Americas Inc.](https://appshunter.io/developer/1523710851) | [Extra Duty Solutions](https://appshunter.io/developer/1569640153) |

## What reviewers say

### i

[App page](https://appshunter.io/ios/app/i-pro-bwc/id1531836244)

**Features:** macOS Compatibility

**In-app purchases:** none


### ResponderApp

[App page](https://appshunter.io/ios/app/responderapp/id1569640151)

This app provides a streamlined platform for agencies utilizing Xtra Duty or Extra Duty Solutions. It offers a convenient way to manage off-duty work and related administrative tasks.

**Highlights:** Off-duty work management, Agency integration, Streamlined administration, Xtra Duty support, Extra Duty Solutions partner

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

**In-app purchases:** none


## Frequently asked questions

### Is i free?

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

### Is ResponderApp free?

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

### Do i or ResponderApp have ads?

Neither i nor ResponderApp shows ads.

### Which is updated more often, i or ResponderApp?

i ships an update every 6 months, and ResponderApp monthly. Most recently, i was updated on October 10, 2026 and ResponderApp on October 20, 2026.

---

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