# Quicknotes Supervisors vs ZattaMemo

The clearest difference is update cadence: ZattaMemo at every 3 weeks against Quicknotes Supervisors's every 2 months. Quicknotes Supervisors's advantage is device support (3 vs 1) and iOS requirement (14.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Quicknotes Supervisors sells 1 one-off in-app purchase and ZattaMemo sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Quicknotes Supervisors ships an update every 2 months, ZattaMemo every 3 weeks. The most recent releases landed on October 25, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Quicknotes Supervisors | ZattaMemo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 28 MB | 3 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ryan Bair](https://appshunter.io/developer/1830548753) | [Tatsuyoshi Sasaki](https://appshunter.io/developer/1888368184) |

## What reviewers say

### Quicknotes Supervisors

[App page](https://appshunter.io/ios/app/quicknotes-supervisors/id6757317871)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $5.99 | one-time |


### ZattaMemo

[App page](https://appshunter.io/ios/app/zattamemo/id6761243555)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ZattaMemo Upgrade | $3.99 | one-time |


## Frequently asked questions

### Is Quicknotes Supervisors free?

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

### Is ZattaMemo free?

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

### Do Quicknotes Supervisors or ZattaMemo have ads?

Neither Quicknotes Supervisors nor ZattaMemo shows ads.

### Which is updated more often, Quicknotes Supervisors or ZattaMemo?

Quicknotes Supervisors ships an update every 2 months, and ZattaMemo every 3 weeks. Most recently, Quicknotes Supervisors was updated on October 25, 2026 and ZattaMemo on October 13, 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.*