# grsly vs Hourly DSA

The clearest difference is ads: Hourly DSA at none against grsly's shown. Hourly DSA also leads on update cadence (every 5 days vs every 6 weeks). grsly's advantage is device support (3 vs 1) and iOS requirement (14.0 vs 16.4). On price and in-app purchases there is nothing between them.

Both are free to download. grsly sells 1 in-app purchase, starting at $4.99 per month and Hourly DSA sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

grsly ships an update every 6 weeks, Hourly DSA every 5 days. The most recent releases landed on October 8, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | grsly | Hourly DSA |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/hourly-dsa-interview-prep/id6807262406/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Every 5 days** |
| Monetization | — | Subscription |
| Size | 17 MB | 66 MB |
| Requires iOS | **14.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Satchel Spencer](https://appshunter.io/developer/1518702931) | [Caleb Lee](https://appshunter.io/developer/1849770282) |

## What reviewers say

### grsly

[App page](https://appshunter.io/ios/app/grsly/id6748623431)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| grsly pro | $4.99 | per month |


### Hourly DSA

[App page](https://appshunter.io/ios/app/hourly-dsa-interview-prep/id6807262406)

Master data structures and algorithms with daily, bite-sized lessons and practice quizzes. Build coding interview instincts by recognizing patterns, thinking through code, and understanding complexities. Track progress, earn badges, and reinforce learning with widgets.

**Highlights:** Bite-sized lessons with guided examples, Daily practice quizzes, Pattern recognition for common algorithms, Code snippet analysis and complexity reasoning, Progress tracking and streak maintenance, Home and Lock Screen widgets, Review missed questions and weak topics

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hourly DSA Monthly | $4.99 | per month |
| Hourly DSA Annual | $29.99 | per year |


## Frequently asked questions

### Is grsly free?

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

### Is Hourly DSA free?

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

### Do grsly or Hourly DSA have ads?

grsly shows ads; Hourly DSA does not.

### Which is updated more often, grsly or Hourly DSA?

grsly ships an update every 6 weeks, and Hourly DSA every 5 days. Most recently, grsly was updated on October 8, 2026 and Hourly DSA on October 18, 2026.

---

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