# i vs YourKeepr

The clearest difference is rating: YourKeepr at 4.7 against i's 3.7. YourKeepr also leads on ratings volume (19 vs 3). i's advantage is in-app purchases (none vs 1). On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. YourKeepr sells 1 in-app purchase, starting at $49.99 per month. i asks for nothing beyond the download.

YourKeepr holds the better App Store score, 4.7 against 3.7. That said, the two scores are not equally well evidenced: YourKeepr has 19 ratings behind it against 3, so its average is the more settled of the two. Written reviews split almost evenly too, at 67% and 67% positive.

i ships an update every 3 weeks, YourKeepr every 4 weeks. The most recent releases landed on October 21, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | i | YourKeepr |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/i-sober/id1447339897/reviews) | **[4.7 (19 ratings)](https://appshunter.io/ios/app/yourkeepr/id6480014565/reviews)** |
| Number of ratings | 3 | **19** |
| Positive reviews | 66.7% of reviews | 66.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 weeks |
| Monetization | Free | Free |
| Size | 83 MB | 111 MB |
| Requires iOS | 15.0 | **14.2** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [SENTECH KOREA CORP](https://appshunter.io/developer/1446527193) | [Consumer Safety Technology, LLC](https://appshunter.io/developer/1451778681) |

## What reviewers say

### i

[App page](https://appshunter.io/ios/app/i-sober/id1447339897)

This app connects to a Bluetooth breathalyzer to manage and share test results. It features a self-diagnosis system for sensor quality checks and allows users to verify tests with a photo. Results can be shared via SMS, SNS, and email.

**Highlights:** Bluetooth connectivity with breathalyzer, Data management and sharing, Self Diagnosis System (SDS) for sensor quality, Camera mode for test verification, Share results via SMS, SNS, and email, Location information sharing

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

**In-app purchases:** none


### YourKeepr

[App page](https://appshunter.io/ios/app/yourkeepr/id6480014565)

This app works with a pocket-sized breathalyzer device to accurately measure breath alcohol concentration. It provides insights over time and allows secure check-ins with others. Requires the Keepr breathalyzer device for testing.

**Highlights:** Accurate BrAC testing, Pocket-sized device integration, Insights over time, Secure check-ins, BrAC capture and measurement

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Keepr Drive Monthly | $49.99 | per month |


## Frequently asked questions

### Is i free?

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

### Is YourKeepr free?

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

### Which has better reviews, i or YourKeepr?

YourKeepr is rated higher. i averages 3.7 out of 5 from 3 ratings, while YourKeepr averages 4.7 from 19 ratings.

### Do i or YourKeepr have ads?

Neither i nor YourKeepr shows ads.

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

i ships an update every 3 weeks, and YourKeepr every 4 weeks. Most recently, i was updated on October 21, 2026 and YourKeepr on October 10, 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.*