# THERble vs CardmemoBox

The clearest difference is in-app purchases: THERble at none against CardmemoBox's 6. THERble also leads on device support (3 vs 1) and iOS requirement (12.0 vs 18.6). CardmemoBox's advantage is update cadence (every 2 weeks vs every 16 months). On price and ads there is nothing between them.

Both are free to download. CardmemoBox sells 6 in-app purchases, starting at $0.99 per 7 days. THERble asks for nothing beyond the download.

THERble ships an update every 16 months, CardmemoBox every 2 weeks. The most recent releases landed on October 27, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | THERble | CardmemoBox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cardmemobox/id6741568723/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 46 MB | 126 MB |
| Requires iOS | **12.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [SHIN NIPPON AIR TECHNOLOGIES CO.,LTD.](https://appshunter.io/developer/1526286874) | [DailerApps](https://appshunter.io/developer/1694180362) |

## What reviewers say

### THERble

[App page](https://appshunter.io/ios/app/therble/id1630881111)

**Features:** macOS Compatibility

**In-app purchases:** none


### CardmemoBox

[App page](https://appshunter.io/ios/app/cardmemobox/id6741568723)

Organize your ideas, to-do lists, and important information using a visual card-style format. Quickly find notes with powerful search and access them from your home screen via widgets. Customize your experience with themes and categorize your entries for efficient management.

**Highlights:** Card-style notes, Powerful search, Customizable themes, Categorization, iCloud support, Widget functionality

**Features:** Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Week | $0.99 | per 7 days |
| 3 Months | $1.99 | per 3 months |
| 1 Month | $2.99 | per month |
| 6 Months | $2.99 | per 6 months |
| 1 Year | $9.99 | per year |
| Purchase | $6.99 | one-time |


## Frequently asked questions

### Is THERble free?

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

### Is CardmemoBox free?

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

### Do THERble or CardmemoBox have ads?

Neither THERble nor CardmemoBox shows ads.

### Which is updated more often, THERble or CardmemoBox?

THERble ships an update every 16 months, and CardmemoBox every 2 weeks. Most recently, THERble was updated on October 27, 2026 and CardmemoBox on October 10, 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.*