# PrepChecklist vs ImaMemo

The clearest difference is update cadence: ImaMemo at daily against PrepChecklist's weekly. PrepChecklist's advantage is iOS requirement (15.1 vs 18.4). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. PrepChecklist sells 4 in-app purchases, starting at $1.99 per month and ImaMemo sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

PrepChecklist ships an update weekly, ImaMemo daily. The most recent releases landed on November 7, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | PrepChecklist | ImaMemo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (6 ratings)](https://appshunter.io/ios/app/prepchecklist-to-do-list/id6463404844/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Weekly | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 53 MB | 27 MB |
| Requires iOS | **15.1** | 18.4 |
| Devices | iPhone, iPad, iPod | iPhone, Mac, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Naoki Otsu](https://appshunter.io/developer/1082476153) | [YUICODE, LIMITED LIABILITY COMPANY](https://appshunter.io/developer/6814415756) |

## What reviewers say

### PrepChecklist

[App page](https://appshunter.io/ios/app/prepchecklist-to-do-list/id6463404844)

Create and manage preparation lists for any scenario, from travel to business trips. Organize tasks with smart tabs, drag-and-drop functionality, and visual customization. Secure your lists with biometric authentication and receive timely reminders.

**Highlights:** Smart organization with unlimited tabs, Intuitive drag-and-drop rearrangement, Customizable reminders and notifications, Biometric authentication for security, Visual customization with background colors, CSV data export for backup and sharing, Dark mode support

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $1.99 | per month |
| Premium | $9.99 | per year |
| Premium (Pay Once) | $4.99 | one-time |
| Premium | $12.99 | one-time |


### ImaMemo

[App page](https://appshunter.io/ios/app/imamemo/id6821288981)

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ImaMemo Plus | $0.99 | per month |
| ImaMemo Max | $2.99 | per month |
| Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is PrepChecklist free?

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

### Is ImaMemo free?

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

### Do PrepChecklist or ImaMemo have ads?

Both PrepChecklist and ImaMemo show ads.

### Which is updated more often, PrepChecklist or ImaMemo?

PrepChecklist ships an update weekly, and ImaMemo daily. Most recently, PrepChecklist was updated on November 7, 2026 and ImaMemo on November 6, 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.*