Crux

FREE Android Everyone
1.0 ★
Rating
10K+
Downloads
Free
Price
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Reviewed on April 13, 2026  · Updated May 15, 2026
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Screenshots

Crux app screenshot 1 Crux app screenshot 2 Crux app screenshot 3 Crux app screenshot 4 Crux app screenshot 5 Crux app screenshot 6 Crux app screenshot 7 Crux app screenshot 8

About Crux

Crux aims to combine lists, reminders, and goal tracking in a single app. While the concept is appealing for users who want to consolidate their task management, the execution falls short of expectations. The app offers reminders and list-making capabilities, but the overall experience feels incomplete and requires significant improvement to be truly useful.

Core Features

The app includes lists, reminders, and goal tracking. The reminder function works adequately for basic notifications. However, list creation is not as intuitive as it could be: adding an item requires multiple taps to set a date, and the interface lacks streamlined workflows. The goal tracker is particularly limited—it displays a progress bar that does not update reliably even when tasks are marked complete. The visual design is muted, and touch responsiveness can be inconsistent, leading to a somewhat sluggish user experience.

Real-World Use

In practice, the app struggles with stability. Users may encounter occasional stuttering or crashes during routine tasks, such as adding new items. More concerning is the risk of data loss: lists can disappear without warning, and the app does not offer a built-in backup or sync feature. This lack of reliability undermines user trust, forcing some to resort to manual backups like sticky notes, which defeats the app’s purpose.

Pricing & Value

Crux is free to use, which is its primary appeal. However, the free version is interrupted by frequent pop-ups promoting a “Pro” upgrade, with no clear information about features or pricing until the user provides an email address. Given the app’s current stability issues and limited functionality, the paid version offers questionable value. Many users may find the free version too unreliable to justify any investment.

Updates & Support

The developer releases updates regularly, but release notes are vague, typically citing “general bug fixes and stability improvements.” Despite this, core issues like data loss and interface lag persist. Customer support options are not prominently featured, and the app’s overall maintenance appears insufficient to address its fundamental shortcomings.

✓  Pros
✓ The basic reminder notification did go off on time.
✓ It's free to download and use.
✓ Has a dark mode that's easy on the eyes.
✗  Cons
✗ Deleted my carefully made "Weekend Projects" list for no reason.
✗ The interface is confusing and makes simple tasks take too many taps.
✗ Constant upgrade pop-ups are annoying and the pricing is hidden.
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App information
Downloads10K+
PriceFree
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