# ZattaMemo vs Present Past

The clearest difference is in-app purchases: Present Past at none against ZattaMemo's 1. Present Past also leads on update cadence (every 4 days vs every 3 weeks) and iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. ZattaMemo sells 1 one-off in-app purchase. Present Past asks for nothing beyond the download.

ZattaMemo ships an update every 3 weeks, Present Past every 4 days. The most recent releases landed on October 13, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | ZattaMemo | Present Past |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Size | 3 MB | 33 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Tatsuyoshi Sasaki](https://appshunter.io/developer/1888368184) | [SeungEun Lee](https://appshunter.io/developer/1884158333) |

## What reviewers say

### ZattaMemo

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

**In-app purchases (1)**

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


### Present Past

[App page](https://appshunter.io/ios/app/present-past/id6761558182)

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

**In-app purchases:** none


## Frequently asked questions

### Is ZattaMemo free?

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

### Is Present Past free?

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

### Do ZattaMemo or Present Past have ads?

Neither ZattaMemo nor Present Past shows ads.

### Which is updated more often, ZattaMemo or Present Past?

ZattaMemo ships an update every 3 weeks, and Present Past every 4 days. Most recently, ZattaMemo was updated on October 13, 2026 and Present Past on October 2, 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.*