# Gravblock vs Adventure Lab®

The clearest difference is review sentiment: Adventure Lab® at 83% against Gravblock's 33%. Adventure Lab® also leads on price (Free vs $0.99) and rating (4.9 vs 4.2). Gravblock's advantage is device support (3 vs 1). On ads and iOS requirement there is nothing between them.

Adventure Lab® is free to download; Gravblock costs $0.99 up front. Gravblock sells 8 one-off in-app purchases. Adventure Lab® asks for nothing beyond the download.

Adventure Lab® holds the better App Store score, 4.9 against 4.2. That said, the two scores are not equally well evidenced: Adventure Lab® has 6.5K ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 33% of Gravblock's written reviews are positive against 83% of Adventure Lab®'s.

Gravblock ships an update every 6 months, Adventure Lab® every 3 weeks. The most recent releases landed on June 7, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Gravblock | Adventure Lab® |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [4.2 (6 ratings)](https://appshunter.io/ios/app/gravblock/id1074030694/reviews) | **[4.9 (6.5K ratings)](https://appshunter.io/ios/app/adventure-lab/id1412140803/reviews)** |
| Number of ratings | 6 | **6.5K** |
| Positive reviews | 33.3% of reviews | **83.2% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 3 MB | 73 MB |
| Requires iOS | **15.6** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [PulseFix LLC](https://appshunter.io/developer/1073314168) | [Groundspeak Inc.](https://appshunter.io/developer/292242506) |

## What reviewers say

### Gravblock

[App page](https://appshunter.io/ios/app/gravblock/id1074030694)

A challenging puzzle game where you strategically drop pieces onto a grid to clear rows and columns. Rotate the grid to find the best placement and advance through five difficulty levels. Compete for the top spot on the leaderboard.

**Highlights:** Grid-based puzzle gameplay, Grid rotation mechanic, Five difficulty levels, Leaderboard competition, Multiple color themes

**Features:** macOS Compatibility

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Theme 1 | $0.99 | one-time |
| Theme 2 | $0.99 | one-time |
| Theme 3 | $0.99 | one-time |
| Theme 4 | $0.99 | one-time |
| Theme 6 | $0.99 | one-time |
| Theme 5 | $0.99 | one-time |
| Theme 7 | $0.99 | one-time |
| Upgrade To Full Version | $1.99 | one-time |


### Adventure Lab®

[App page](https://appshunter.io/ios/app/adventure-lab/id1412140803)

Discover hidden gems, learn local trivia, and explore landmarks through interactive outdoor scavenger hunts. Uncover stories and solve puzzles in a contactless adventure. Perfect for families, individuals, or dates looking to get outside.

**Highlights:** Outdoor scavenger hunts, Discover hidden gems and landmarks, Learn local trivia and stories, Interactive and contactless experience, Multi-stage adventures, Map-guided exploration

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Smooth navigation
- 💡 Interesting learning experience
- 🚴‍♀️ Encourages outdoor exploration
- 🎨 Visually appealing

**What reviewers complain about**

- 🐛 Occasional crashes or bugs
- 🗺️ Unreliable map integration
- 🔋 Drains battery quickly
- 🔒 Lack of offline functionality
- 📝 Limited logging/review options

**Reported bugs**

- Incorrect answers being marked as correct
- Stages not unlocking in the proper order
- Location services not working reliably

**Requested features**

- Dark mode option
- Ability to view past answers
- Integration with main geocaching app
- Offline caching capabilities
- Feedback/reporting mechanism for CO


## Frequently asked questions

### Is Gravblock free?

Gravblock costs $0.99, and also offers in-app purchases.

### Is Adventure Lab® free?

Adventure Lab® is free to download, with no in-app purchases.

### Which has better reviews, Gravblock or Adventure Lab®?

Adventure Lab® is rated higher. Gravblock averages 4.2 out of 5 from 6 ratings, while Adventure Lab® averages 4.9 from 6.5K ratings.

### Do Gravblock or Adventure Lab® have ads?

Neither Gravblock nor Adventure Lab® shows ads.

### Which is updated more often, Gravblock or Adventure Lab®?

Gravblock ships an update every 6 months, and Adventure Lab® every 3 weeks. Most recently, Gravblock was updated on June 7, 2026 and Adventure Lab® on October 27, 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.*