# Semi vs I'm OK Alert

The clearest difference is in-app purchases: Semi at none against I'm OK Alert's 2. Semi also leads on iOS requirement (13.0 vs 15.0). I'm OK Alert's advantage is update cadence (weekly vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. I'm OK Alert sells 2 in-app purchases, starting at $1.99 per month. Semi asks for nothing beyond the download.

Semi ships an update every 2 months, I'm OK Alert weekly. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Semi | I'm OK Alert |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/im-ok-alert/id6758129313/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | — | Free |
| Size | 16 MB | 29 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [文长 侯](https://appshunter.io/developer/1197107833) | [Christopher Williams](https://appshunter.io/developer/1831318175) |

## What reviewers say

### Semi

[App page](https://appshunter.io/ios/app/semi/id1197107834)

**Features:** macOS Compatibility

**In-app purchases:** none


### I'm OK Alert

[App page](https://appshunter.io/ios/app/im-ok-alert/id6758129313)

This safety app allows users to check in with loved ones with a single tap or through background monitoring of health stats and movement. It notifies contacts with GPS location if a check-in is missed, offering peace of mind for those living alone or traveling.

**Highlights:** One-tap safety check-in, Background Confidence Monitor, Apple Watch heart rate monitoring, GPS location alerts, Customizable check-in schedules, Grace period for alerts

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $1.99 | per month |
| Yearly Premium | $14.99 | per year |


## Frequently asked questions

### Is Semi free?

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

### Is I'm OK Alert free?

I'm OK Alert is free to download, with in-app purchases available.

### Do Semi or I'm OK Alert have ads?

Neither Semi nor I'm OK Alert shows ads.

### Which is updated more often, Semi or I'm OK Alert?

Semi ships an update every 2 months, and I'm OK Alert weekly. Most recently, Semi was updated on October 26, 2026 and I'm OK Alert on October 24, 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.*