# Core Time vs Sol

Core Time and Sol are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Core Time sells 2 in-app purchases, starting at $6.99 per month and Sol sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Core Time ships an update weekly, Sol every 2 weeks. The most recent releases landed on October 1, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Core Time | Sol |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/core-time-strict-app-blocker/id6759100692/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | Freemium | — |
| Size | 37 MB | 113 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [coreground](https://appshunter.io/developer/1876875741) | [Endpoint Technology LLC](https://appshunter.io/developer/1870984559) |

## What reviewers say

### Core Time

[App page](https://appshunter.io/ios/app/core-time-strict-app-blocker/id6759100692)

This app provides a strict approach to blocking distracting applications and websites, helping users regain focus and manage screen time. It offers customizable lock durations and schedules, ensuring boundaries are enforced without negotiation.

**Highlights:** Strict app blocking, Customizable lock durations, Automatic scheduling, Cold turkey focus mode, Dopamine detox support, ADHD-friendly focus aid, One-tap recovery

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Core Time Pro (Monthly) | $6.99 | per month |
| Core Time Pro (Annual) | $49.99 | per year |


### Sol

[App page](https://appshunter.io/ios/app/sol-skill-practice-tracker/id6784079359)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sol Premium | $4.99 | per 7 days |
| Sol Premium | $34.99 | per year |


## Frequently asked questions

### Is Core Time free?

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

### Is Sol free?

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

### Do Core Time or Sol have ads?

Neither Core Time nor Sol shows ads.

### Which is updated more often, Core Time or Sol?

Core Time ships an update weekly, and Sol every 2 weeks. Most recently, Core Time was updated on October 1, 2026 and Sol on October 7, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*