# Lab.Hacks vs Challenge Buddy

The clearest difference is in-app purchases: Challenge Buddy at none against Lab.Hacks's 8. Challenge Buddy also leads on ads (none vs shown). Lab.Hacks's advantage is ratings volume (136 vs 1). On price, rating, review sentiment and device support there is nothing between them.

Both are free to download. Lab.Hacks sells 8 in-app purchases, starting at $2.99 per month. Challenge Buddy asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for Lab.Hacks against 5.0 for Challenge Buddy. That said, the two scores are not equally well evidenced: Lab.Hacks has 136 ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 96% of Lab.Hacks's written reviews are positive against 100% of Challenge Buddy's.

## The numbers

| Metric | Lab.Hacks | Challenge Buddy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (136 ratings)](https://appshunter.io/ios/app/labhacks/id1462593060/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/challenge-buddy/id6802679623/reviews)** |
| Number of ratings | **136** | 1 |
| Positive reviews | 96.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | — |
| Monetization | Free with in-app purchases | **Free** |
| Size | 37 MB | 41 MB |
| Requires iOS | 16.6 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Lab.hacks GmbH](https://appshunter.io/developer/1746977613) | [Fatemeh Yadollahzadehmansour](https://appshunter.io/developer/6802679625) |

## What reviewers say

### Lab.Hacks

[App page](https://appshunter.io/ios/app/labhacks/id1462593060)

This app serves as a laboratory assistant, offering a collection of essential tools, calculators, and guides for students, researchers, and technicians. It simplifies everyday lab tasks with features like dilution calculators, timers, and protocols, all accessible offline.

**Highlights:** Dilution, molarity, and unit conversion calculators, Smart lab timers, Quick reference tables, Step-by-step protocols and guides, Offline access, Minimalist design

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lab.hacks Ad-free monthly | $2.99 | per month |
| Lab.hacks Ad-free annual | $28.99 | per year |
| Donate 1$ | $0.99 | one-time |
| Donate 5$ | $3.99 | one-time |
| Donate 10$ | $8.99 | one-time |
| Donate 20$ | $17.99 | one-time |
| Donate 50$ | $44.99 | one-time |
| Donate 100$ | $89.99 | one-time |


### Challenge Buddy

[App page](https://appshunter.io/ios/app/challenge-buddy/id6802679623)

This app is a social platform focused on self-improvement. Users can discover and join challenges related to fitness, finance, reading, and new habits. It connects individuals through shared goals without requiring invites.

**Highlights:** Discover self-improvement challenges, Join fitness, finance, and habit challenges, Connect with others pursuing similar goals, Track progress on personal projects, Positive social media feed

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

**In-app purchases:** none


## Frequently asked questions

### Is Lab.Hacks free?

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

### Is Challenge Buddy free?

Challenge Buddy is free to download, with no in-app purchases.

### Which has better reviews, Lab.Hacks or Challenge Buddy?

Challenge Buddy is rated higher. Lab.Hacks averages 4.9 out of 5 from 136 ratings, while Challenge Buddy averages 5.0 from 1 ratings.

### Do Lab.Hacks or Challenge Buddy have ads?

Lab.Hacks shows ads; Challenge Buddy does not.

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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.*