# Rock Crawler vs Memory Lines

The clearest difference is review sentiment: Memory Lines at 100% against Rock Crawler's 23%. Memory Lines also leads on in-app purchases (none vs 10) and update cadence (every 6 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Rock Crawler sells 10 one-off in-app purchases. Memory Lines asks for nothing beyond the download.

Rock Crawler ships an update every 3 weeks, Memory Lines every 6 days. The most recent releases landed on October 16, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Rock Crawler | Memory Lines |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (31K ratings)](https://appshunter.io/ios/app/rock-crawler/id920335551/reviews)** | — |
| Number of ratings | **31K** | — |
| Positive reviews | 22.5% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Every 6 days** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 551 MB | 46 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Voodoo](https://appshunter.io/developer/714804730) | [Vinay Kumar](https://appshunter.io/developer/1896567742) |

## What reviewers say

### Rock Crawler

[App page](https://appshunter.io/ios/app/rock-crawler/id920335551)

Experience realistic rock crawling with a powerful truck. Master precise throttle control to conquer challenging peaks and perform thrilling stunts on craggy terrain. This game offers an immersive off-road adventure.

**Highlights:** Realistic rock crawling physics, Precise throttle control, Climb on craggy rocks, Perform terrific stunts, Powerful truck simulation

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter Cash Bundle | $2.99 | one-time |
| No ads | $4.99 | one-time |
| Novice Treasure Chest | $4.99 | one-time |
| Novice Gold Hoard | $4.99 | one-time |
| Starter Pack | $7.99 | one-time |
| Journeyman's Gold Trove | $9.99 | one-time |
| Journeyman's Cash Coffer | $9.99 | one-time |
| Expert's Crystal Cache | $14.99 | one-time |
| Expert's Wealth Trove | $19.99 | one-time |
| Premium Pack | $24.99 | one-time |

**What reviewers like**

- 🚀 Fun gameplay
- 👍 Decent graphics
- 🚀 Good for passing time

**What reviewers complain about**

- 🐛 Frequent crashes
- 🔋 High battery consumption
- 💸 Too many ads
- 🔒 Unreliable in-app purchases

**Reported bugs**

- Levels not loading properly
- Upgrades not saving
- Ranking system issues

**Requested features**

- More vehicle variety
- Longer and more challenging levels
- Ability to restore progress
- Option to disable ads


### Memory Lines

[App page](https://appshunter.io/ios/app/memory-lines-memory-puzzle/id6768393873)

Test your visual memory and focus by memorizing and redrawing glowing patterns before they disappear. Engage in challenging single-player puzzles or compete against others worldwide in real-time multiplayer battles. Track your progress and unlock rewards as you sharpen your brain.

**Highlights:** Visual memory challenges, Brain training puzzles, Multiplayer brain battles, Offline solo gameplay, Daily rewards and streaks, Achievements and progression, Replay export and sharing

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

**In-app purchases:** none


## Frequently asked questions

### Is Rock Crawler free?

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

### Is Memory Lines free?

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

### Do Rock Crawler or Memory Lines have ads?

Both Rock Crawler and Memory Lines show ads.

### Which is updated more often, Rock Crawler or Memory Lines?

Rock Crawler ships an update every 3 weeks, and Memory Lines every 6 days. Most recently, Rock Crawler was updated on October 16, 2026 and Memory Lines on October 15, 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.*