# Emergency Sound vs i

The clearest difference is update cadence: i at every 5 days against Emergency Sound's every 2 weeks. Emergency Sound's advantage is iOS requirement (10.0 vs 16.0). 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.

Emergency Sound ships an update every 2 weeks, i every 5 days. The most recent releases landed on November 11, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Emergency Sound | i |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 5 days** |
| Monetization | Free | — |
| Size | 26 MB | 15 MB |
| Requires iOS | **10.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Innovation Factory Limited](https://appshunter.io/developer/915950101) | [Innosonian Inc.](https://appshunter.io/developer/1345888426) |

## What reviewers say

### Emergency Sound

[App page](https://appshunter.io/ios/app/emergency-sound/id1293990063)

This app detects important sounds and alerts family members with vibrations, sounds, and notifications including the time and date. It's designed to keep loved ones informed about critical auditory events.

**Highlights:** Sound detection, Family notifications, Vibration alerts, Auditory alerts, Timestamped notifications

**Features:** macOS Compatibility

**In-app purchases:** none


### i

[App page](https://appshunter.io/ios/app/i-crs/id6478954870)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Emergency Sound free?

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

### Is i free?

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

### Do Emergency Sound or i have ads?

Neither Emergency Sound nor i shows ads.

### Which is updated more often, Emergency Sound or i?

Emergency Sound ships an update every 2 weeks, and i every 5 days. Most recently, Emergency Sound was updated on November 11, 2026 and i on November 8, 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.*