# Echo vs ADHD Nook

The clearest difference is price: ADHD Nook at Free against Echo's $0.99. ADHD Nook also leads on iOS requirement (15.0 vs 18.6). On ads, in-app purchases and device support there is nothing between them.

ADHD Nook is free to download; Echo costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Echo | ADHD Nook |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Monetization | Paid | — |
| Size | 2 MB | 4 MB |
| Requires iOS | 18.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [鹏 杨](https://appshunter.io/developer/1884186063) | [Ardis Zhong](https://appshunter.io/developer/1887104737) |

## What reviewers say

### Echo

[App page](https://appshunter.io/ios/app/echo-anniversary/id6760383873)

This app helps you track important dates like anniversaries and manage daily notes. It offers local reminders, diary entries with moods, and a "On This Day" feature to revisit past memories. The minimalist design keeps everything private and on your device.

**Highlights:** Anniversary and countdown tracking, Local reminders, Diary entries with moods, On This Day flashbacks, Privacy-first local storage, PDF export of diary

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

**In-app purchases:** none


### ADHD Nook

[App page](https://appshunter.io/ios/app/adhd-nook/id6794958204)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Echo free?

Echo costs $0.99, with no in-app purchases.

### Is ADHD Nook free?

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

### Do Echo or ADHD Nook have ads?

Neither Echo nor ADHD Nook shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*