# Sun Alarm Clock vs EchoPaper

The clearest difference is update cadence: EchoPaper at every 2 days against Sun Alarm Clock's every 3 months. EchoPaper also leads on iOS requirement (18.0 vs 26.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Sun Alarm Clock sells 3 in-app purchases, starting at $0.99 per month and EchoPaper sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Sun Alarm Clock ships an update every 3 months, EchoPaper every 2 days. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Sun Alarm Clock | EchoPaper |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (27 ratings)](https://appshunter.io/ios/app/sun-alarm-clock/id1556630551/reviews)** | — |
| Number of ratings | **27** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 days** |
| Monetization | Freemium | — |
| Size | 34 MB | 16 MB |
| Requires iOS | 26.1 | **18.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Volker Voecking Software Engineering](https://appshunter.io/developer/390175341) | [HIROMOTO TSUJI](https://appshunter.io/developer/1106215904) |

## What reviewers say

### Sun Alarm Clock

[App page](https://appshunter.io/ios/app/sun-alarm-clock/id1556630551)

Wake up to natural celestial events. This app sets alarms for sunrise, sunset, moon phases, and twilight periods, adapting to your location and daylight saving changes. Customize offsets and manage multiple alarms easily.

**Highlights:** Alarms for sunrise and sunset, Moonrise and moonset alarms, Twilight and golden hour alerts, Customizable offsets, Location-aware timing, Supports multiple alarms

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (Monthly) | $0.99 | per month |
| Premium (Yearly) | $9.99 | per year |
| Premium (One-Time Purchase) | $29.99 | one-time |


### EchoPaper

[App page](https://appshunter.io/ios/app/echopaper-record-and-summarize/id6751619057)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coffee | $0.99 | one-time |
| Notebook | $2.99 | one-time |
| Pen | $4.99 | one-time |


## Frequently asked questions

### Is Sun Alarm Clock free?

Sun Alarm Clock is free to download, with in-app purchases available.

### Is EchoPaper free?

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

### Do Sun Alarm Clock or EchoPaper have ads?

Neither Sun Alarm Clock nor EchoPaper shows ads.

### Which is updated more often, Sun Alarm Clock or EchoPaper?

Sun Alarm Clock ships an update every 3 months, and EchoPaper every 2 days. Most recently, Sun Alarm Clock was updated on November 3, 2026 and EchoPaper on October 30, 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.*