# Doom Coder vs Sandbox Relay

The clearest difference is iOS requirement: Sandbox Relay at 16.4 against Doom Coder's 26.0. 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.

## The numbers

| Metric | Doom Coder | Sandbox Relay |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/doom-coder-ai-agent-alerts/id6772514212/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | — |
| Monetization | Free | — |
| Size | 5 MB | 32 MB |
| Requires iOS | 26.0 | **16.4** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Yashwanth Reddy Katipally](https://appshunter.io/developer/6772514394) | [Eric Boumendil](https://appshunter.io/developer/1116493219) |

## What reviewers say

### Doom Coder

[App page](https://appshunter.io/ios/app/doom-coder-ai-agent-alerts/id6772514212)

Receive instant alerts on your iPhone and iPad when your AI coding agents complete tasks, encounter errors, or require approval. This app also offers a prompt refiner and on-device notes, with optional API key integration for enhanced privacy.

**Highlights:** Real-time coding agent notifications, Prompt refiner with developer prompt library, On-device notes with checklists and reminders, Mac pairing for live agent status, Privacy-focused design with no servers, Optional API key integration

**Features:** Vision Pro support

**In-app purchases:** none


### Sandbox Relay

[App page](https://appshunter.io/ios/app/sandbox-relay/id6791522669)

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

**In-app purchases:** none


## Frequently asked questions

### Is Doom Coder free?

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

### Is Sandbox Relay free?

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

### Do Doom Coder or Sandbox Relay have ads?

Neither Doom Coder nor Sandbox Relay shows ads.

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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.*