# MEMOrizer app vs Boki Lens

The clearest difference is ads: Boki Lens at none against MEMOrizer app's shown. MEMOrizer app's advantage is update cadence (daily vs every 3 days). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. MEMOrizer app sells 1 one-off in-app purchase and Boki Lens sells 1 in-app purchase, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

MEMOrizer app ships an update daily, Boki Lens every 3 days. The most recent releases landed on October 30, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | MEMOrizer app | Boki Lens |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Every 3 days |
| Size | 12 MB | 14 MB |
| Requires iOS | **17.6** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yu Takahashi](https://appshunter.io/developer/1856470521) | [MASATO NISHIURA](https://appshunter.io/developer/1819418334) |

## What reviewers say

### MEMOrizer app

[App page](https://appshunter.io/ios/app/memorizer-app/id6755808897)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| メモライザ PRO | $3.99 | one-time |


### Boki Lens

[App page](https://appshunter.io/ios/app/boki-lens-learn-accounting/id6762626800)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (Monthly) | $2.99 | per month |


## Frequently asked questions

### Is MEMOrizer app free?

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

### Is Boki Lens free?

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

### Do MEMOrizer app or Boki Lens have ads?

MEMOrizer app shows ads; Boki Lens does not.

### Which is updated more often, MEMOrizer app or Boki Lens?

MEMOrizer app ships an update daily, and Boki Lens every 3 days. Most recently, MEMOrizer app was updated on October 30, 2026 and Boki Lens on November 9, 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.*