# DistAlarm vs Radius Alert

The clearest difference is in-app purchases: Radius Alert at none against DistAlarm's 1. Radius Alert also leads on ads (none vs shown) and update cadence (every 2 days vs every 9 days). On price, device support and iOS requirement there is nothing between them.

Both are free to download. DistAlarm sells 1 one-off in-app purchase. Radius Alert asks for nothing beyond the download.

DistAlarm ships an update every 9 days, Radius Alert every 2 days. The most recent releases landed on September 6, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | DistAlarm | Radius Alert |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 9 days | **Every 2 days** |
| Size | 19 MB | 10 MB |
| Requires iOS | **17.6** | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Cleon Liew](https://appshunter.io/developer/1826687151) | [Kavinda Dilshan Paramsoodi](https://appshunter.io/developer/1696305106) |

## What reviewers say

### DistAlarm

[App page](https://appshunter.io/ios/app/distalarm/id6748628878)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


### Radius Alert

[App page](https://appshunter.io/ios/app/radius-alert/id6752566436)

**In-app purchases:** none


## Frequently asked questions

### Is DistAlarm free?

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

### Is Radius Alert free?

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

### Do DistAlarm or Radius Alert have ads?

DistAlarm shows ads; Radius Alert does not.

### Which is updated more often, DistAlarm or Radius Alert?

DistAlarm ships an update every 9 days, and Radius Alert every 2 days. Most recently, DistAlarm was updated on September 6, 2026 and Radius Alert on September 20, 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.*