# EDECOA vs Shift Work Alarm

The clearest difference is in-app purchases: EDECOA at none against Shift Work Alarm's 2. EDECOA also leads on device support (3 vs 1) and iOS requirement (15.1 vs 26.0). Shift Work Alarm's advantage is update cadence (every 4 days vs every 3 weeks). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Shift Work Alarm sells 2 in-app purchases, starting at $0.99 per month. EDECOA asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for EDECOA against 5.0 for Shift Work Alarm. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

EDECOA ships an update every 3 weeks, Shift Work Alarm every 4 days. The most recent releases landed on October 15, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | EDECOA | Shift Work Alarm |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/edecoa/id6480369289/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/shift-work-alarm-roster/id6808283069/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Monetization | **Free** | Freemium |
| Size | 74 MB | 11 MB |
| Requires iOS | **15.1** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [佳宇 陈](https://appshunter.io/developer/1738564771) | [秋丽 陈](https://appshunter.io/developer/6803737891) |

## What reviewers say

### EDECOA

[App page](https://appshunter.io/ios/app/edecoa/id6480369289)

Monitor your EDECOA inverters in real-time and view historical data graphs. Remotely adjust inverter settings directly from your mobile device for convenient management.

**Highlights:** Real-time inverter data, Historical data graphs, Remote setting adjustments, Mobile device control

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

**In-app purchases:** none


### Shift Work Alarm

[App page](https://appshunter.io/ios/app/shift-work-alarm-roster/id6808283069)

This alarm clock is designed for individuals with non-traditional work schedules. It offers customizable alarms that can automatically skip holidays and follow specific shift patterns, ensuring you wake up on workdays and rest on days off. It also includes a smart calendar and spoken reminders for various needs.

**Highlights:** Shift-based alarms, Automatic holiday skipping, Customizable rotation patterns, Spoken reminders, Smart calendar view, Rings through silent mode

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Shift Pro Monthly | $0.99 | per month |
| Shift Alarm Pro | $9.99 | per year |


## Frequently asked questions

### Is EDECOA free?

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

### Is Shift Work Alarm free?

Shift Work Alarm is free to download, with in-app purchases available.

### Which has better reviews, EDECOA or Shift Work Alarm?

EDECOA and Shift Work Alarm are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do EDECOA or Shift Work Alarm have ads?

Neither EDECOA nor Shift Work Alarm shows ads.

### Which is updated more often, EDECOA or Shift Work Alarm?

EDECOA ships an update every 3 weeks, and Shift Work Alarm every 4 days. Most recently, EDECOA was updated on October 15, 2026 and Shift Work Alarm on October 12, 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.*