# knowLedge vs Hey Memora

The clearest difference is in-app purchases: knowLedge at none against Hey Memora's 2. Hey Memora's advantage is update cadence (every 3 weeks vs every 85 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Hey Memora sells 2 in-app purchases, starting at $4.99 per month. knowLedge asks for nothing beyond the download.

knowLedge ships an update every 85 months, Hey Memora every 3 weeks. The most recent releases landed on October 26, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | knowLedge | Hey Memora |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 85 months | **Every 3 weeks** |
| Size | 28 MB | 62 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mallow Technologies Private Limited](https://appshunter.io/developer/416807590) | [Lucas Oliveira](https://appshunter.io/developer/1889276572) |

## What reviewers say

### knowLedge

[App page](https://appshunter.io/ios/app/knowledge-learn-through-quiz/id1179700747)

**Features:** Vision Pro support

**In-app purchases:** none


### Hey Memora

[App page](https://appshunter.io/ios/app/hey-memora-study-flashcards/id6761388592)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Memora Pro | $4.99 | per month |
| Memora Pro | $39.99 | per year |


## Frequently asked questions

### Is knowLedge free?

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

### Is Hey Memora free?

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

### Do knowLedge or Hey Memora have ads?

Neither knowLedge nor Hey Memora shows ads.

### Which is updated more often, knowLedge or Hey Memora?

knowLedge ships an update every 85 months, and Hey Memora every 3 weeks. Most recently, knowLedge was updated on October 26, 2026 and Hey Memora on October 22, 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.*