# DRMemory vs Calendar Clock

The clearest difference is review sentiment: DRMemory at 53% against Calendar Clock's 0%. DRMemory also leads on price (Free vs $0.99) and update cadence (fortnightly vs every 41 months). Calendar Clock's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support there is nothing between them.

DRMemory is free to download; Calendar Clock costs $0.99 up front. DRMemory sells 1 one-off in-app purchase. Calendar Clock asks for nothing beyond the download.

DRMemory ships an update fortnightly, Calendar Clock every 41 months. The most recent releases landed on August 31, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | DRMemory | Calendar Clock |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/drmemory/id586207285/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | **52.9% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 41 months |
| Monetization | **Ad-supported** | Paid |
| Size | 9 MB | 4 MB |
| Requires iOS | **15.0** | 26.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [TeamHB](https://appshunter.io/developer/327499889) | [Systemiko Inc.](https://appshunter.io/developer/680630947) |

## What reviewers say

### DRMemory

[App page](https://appshunter.io/ios/app/drmemory/id586207285)

This utility app helps you manage your iPhone's storage by identifying and removing duplicate photos, files, and contacts. It provides a clear overview of your memory usage and allows you to review items before deletion, all without uploading your data to the cloud.

**Highlights:** Check iPhone memory usage, Visualize folder contents, Find duplicate photos, Find duplicate files, Clean duplicate contacts, No cloud uploads, No tracking

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads Forever | $2.99 | one-time |


### Calendar Clock

[App page](https://appshunter.io/ios/app/calendar-clock/id1451445740)

This app displays the current year, month, week, and time on a single screen with a clean design. It offers customizable theme colors and functions as a desk clock. The app disables device sleep mode while active.

**Highlights:** All-in-one screen display, Year, month, week, day, hour, minute, second, Switchable theme colors (dark, light, green, blue), Disables device sleep mode, Acts as a desk clock

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DRMemory free?

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

### Is Calendar Clock free?

Calendar Clock costs $0.99, with no in-app purchases.

### Do DRMemory or Calendar Clock have ads?

DRMemory shows ads; Calendar Clock does not.

### Which is updated more often, DRMemory or Calendar Clock?

DRMemory ships an update fortnightly, and Calendar Clock every 41 months. Most recently, DRMemory was updated on August 31, 2026 and Calendar Clock on September 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.*