# 911sms vs ACME PHR

The clearest difference is update cadence: ACME PHR at every 5 weeks against 911sms's every 11 months. ACME PHR also leads on iOS requirement (13.0 vs 15.6). 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.

911sms ships an update every 11 months, ACME PHR every 5 weeks. Both last shipped on November 2, 2026.

## The numbers

| Metric | 911sms | ACME PHR |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 5 weeks** |
| Size | 21 MB | 69 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [LifeGuard Global Inc.](https://appshunter.io/developer/1060701210) | [MedicalMine Inc.](https://appshunter.io/developer/619291582) |

## What reviewers say

### 911sms

[App page](https://appshunter.io/ios/app/911sms/id1181355084)

**Features:** macOS Compatibility

**In-app purchases:** none


### ACME PHR

[App page](https://appshunter.io/ios/app/acme-phr/id1181384161)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 911sms free?

911sms is free to download, with no in-app purchases.

### Is ACME PHR free?

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

### Do 911sms or ACME PHR have ads?

Neither 911sms nor ACME PHR shows ads.

### Which is updated more often, 911sms or ACME PHR?

911sms ships an update every 11 months, and ACME PHR every 5 weeks. Most recently, 911sms was updated on November 2, 2026 and ACME PHR on November 2, 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.*