# Ebbinghaus Planner vs 들락 (Dlock)

The clearest difference is review sentiment: Ebbinghaus Planner at 95% against 들락 (Dlock)'s 38%. 들락 (Dlock)'s advantage is in-app purchases (none vs 4) and update cadence (every 5 days vs every 10 days). On price, ads and device support there is nothing between them.

Both are free to download. Ebbinghaus Planner sells 4 in-app purchases, starting at $2.99 per month. 들락 (Dlock) asks for nothing beyond the download.

Ebbinghaus Planner ships an update every 10 days, 들락 (Dlock) every 5 days. The most recent releases landed on September 26, 2026 and August 1, 2026 respectively.

## The numbers

| Metric | Ebbinghaus Planner | 들락 (Dlock) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (14 ratings)](https://appshunter.io/ios/app/ebbinghaus-planner-studyplan/id1578268926/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | **95.1% of reviews** | 38.5% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 10 days | **Every 5 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 39 MB | 90 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SeungGi Lee](https://appshunter.io/developer/1526667403) | [Seonhyo Kim](https://appshunter.io/developer/1724612424) |

## What reviewers say

### Ebbinghaus Planner

[App page](https://appshunter.io/ios/app/ebbinghaus-planner-studyplan/id1578268926)

This app helps you memorize information efficiently by scheduling reviews based on the forgetting curve. It automates the process of recalling vocabulary, formulas, and other data at optimal times, reducing the need for manual scheduling and ensuring you never miss a review session.

**Highlights:** Automatic review scheduling, Subject and item management, Today's tasks view, Customizable notifications, Progress visualization, Simple and intuitive interface

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Monthly | $2.99 | per month |
| Yearly | $19.99 | per year |
| Yearly | $19.99 | per year |


### 들락 (Dlock)

[App page](https://appshunter.io/ios/app/dlock/id6475640224)

Start your day with 5 minutes of reading to combat dopamine addiction. AI scores your literacy daily and ranks you nationally. Begin your journey to a clearer mind today.

**Highlights:** 5-minute daily reading sessions, AI literacy scoring, National ranking, Dopamine addiction management, Clearer mind focus

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Ebbinghaus Planner free?

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

### Is 들락 (Dlock) free?

들락 (Dlock) is free to download, with no in-app purchases.

### Do Ebbinghaus Planner or 들락 (Dlock) have ads?

Both Ebbinghaus Planner and 들락 (Dlock) show ads.

### Which is updated more often, Ebbinghaus Planner or 들락 (Dlock)?

Ebbinghaus Planner ships an update every 10 days, and 들락 (Dlock) every 5 days. Most recently, Ebbinghaus Planner was updated on September 26, 2026 and 들락 (Dlock) on August 1, 2026.

---

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