# MEMOrizer app vs HayaFlow

The clearest difference is ads: HayaFlow at none against MEMOrizer app's shown. MEMOrizer app's advantage is update cadence (daily vs every 5 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 HayaFlow sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

MEMOrizer app ships an update daily, HayaFlow every 5 days. The most recent releases landed on October 9, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | MEMOrizer app | HayaFlow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Every 5 days |
| Size | 12 MB | 6 MB |
| Requires iOS | **17.6** | 18 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Yu Takahashi](https://appshunter.io/developer/1856470521) | [Masato Hayashi](https://appshunter.io/developer/1856848263) |

## 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 |


### HayaFlow

[App page](https://appshunter.io/ios/app/hayaflow-flowchart-tool/id6761299030)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HayaFlow Unlock Full Function | $2.99 | one-time |


## Frequently asked questions

### Is MEMOrizer app free?

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

### Is HayaFlow free?

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

### Do MEMOrizer app or HayaFlow have ads?

MEMOrizer app shows ads; HayaFlow does not.

### Which is updated more often, MEMOrizer app or HayaFlow?

MEMOrizer app ships an update daily, and HayaFlow every 5 days. Most recently, MEMOrizer app was updated on October 9, 2026 and HayaFlow on October 3, 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.*