# 失眠E療 vs D7 App

The clearest difference is in-app purchases: 失眠E療 at none against D7 App's 8. 失眠E療 also leads on iOS requirement (11.0 vs 17.0). D7 App's advantage is update cadence (every 6 weeks vs every 15 months). On price, ads and device support there is nothing between them.

Both are free to download. D7 App sells 8 in-app purchases, starting at $2.99 per month. 失眠E療 asks for nothing beyond the download.

失眠E療 ships an update every 15 months, D7 App every 6 weeks. The most recent releases landed on October 1, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | 失眠E療 | D7 App |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 35 MB | 57 MB |
| Requires iOS | **11.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [The University of Hong Kong](https://appshunter.io/developer/451384643) | [Vincent Lui](https://appshunter.io/developer/1453276396) |

## What reviewers say

### 失眠E療

[App page](https://appshunter.io/ios/app/e/id1463472912)

This app offers an online platform based on cognitive behavioral therapy for insomnia (CBT-I). It provides six courses covering sleep knowledge, behavioral strategies, sleep hygiene, and cognitive therapy, along with tools like sleep diaries to help users manage and improve their sleep.

**Highlights:** Cognitive Behavioral Therapy for Insomnia (CBT-I), Six structured courses on sleep management, Sleep diary tool, Relaxation training exercises, Knowledge and techniques for insomnia, Relapse prevention strategies

**In-app purchases:** none


### D7 App

[App page](https://appshunter.io/ios/app/d7-app/id6784972379)

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| D7 BFF | $2.99 | per month |
| D7 BFF (Annual) | $24.99 | per year |
| DCoin x 5 | $0.49 | one-time |
| DCoin x 10 | $0.99 | one-time |
| DCoin x 20 | $2.99 | one-time |
| DCoin x 50 | $5.99 | one-time |
| DCoin x 100 | $12.99 | one-time |
| DCoin x 1000 | $129.99 | one-time |


## Frequently asked questions

### Is 失眠E療 free?

失眠E療 is free to download, with no in-app purchases.

### Is D7 App free?

D7 App is free to download, with in-app purchases available.

### Do 失眠E療 or D7 App have ads?

Neither 失眠E療 nor D7 App shows ads.

### Which is updated more often, 失眠E療 or D7 App?

失眠E療 ships an update every 15 months, and D7 App every 6 weeks. Most recently, 失眠E療 was updated on October 1, 2026 and D7 App on October 8, 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.*