# Memory Ark vs Lectern

The clearest difference is iOS requirement: Memory Ark at 15.0 against Lectern's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Memory Ark sells 2 in-app purchases, starting at $0.99 per month and Lectern sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Memory Ark ships an update every 2 months, Lectern monthly. The most recent releases landed on October 7, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Memory Ark | Lectern |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/memory-ark/id6470735175/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free with in-app purchases | — |
| Size | 6 MB | 3 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [世超 徐](https://appshunter.io/developer/1688946625) | [Luke Mclaughlin](https://appshunter.io/developer/1893671036) |

## What reviewers say

### Memory Ark

[App page](https://appshunter.io/ios/app/memory-ark/id6470735175)

This app helps users combat forgetting by using the Ebbinghaus Forgetting Curve to create personalized review schedules. It offers features like task management, progress tracking, and smart rescheduling to make learning more efficient and effective.

**Highlights:** Ebbinghaus Forgetting Curve integration, Daily and calendar task management, Task categorization with tags, Detailed review session data, Customizable memory curves, Smart task rescheduling, Retroactive check-in for missed tasks

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Membership | $0.99 | per month |
| Annual Membership | $2.99 | per year |


### Lectern

[App page](https://appshunter.io/ios/app/lectern-meeting-transcriber/id6790281778)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lectern Pro Monthly | $9.99 | per month |
| Lectern Pro Yearly | $79.99 | per year |


## Frequently asked questions

### Is Memory Ark free?

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

### Is Lectern free?

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

### Do Memory Ark or Lectern have ads?

Neither Memory Ark nor Lectern shows ads.

### Which is updated more often, Memory Ark or Lectern?

Memory Ark ships an update every 2 months, and Lectern monthly. Most recently, Memory Ark was updated on October 7, 2026 and Lectern on October 14, 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.*