# Functional Groups vs BuzzU

The clearest difference is in-app purchases: BuzzU at none against Functional Groups's 1. BuzzU also leads on update cadence (every 3 weeks vs every 4 months). Functional Groups's advantage is ads (none vs shown). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Functional Groups sells 1 one-off in-app purchase. BuzzU asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for Functional Groups against 5.0 for BuzzU. Both are backed by a comparable volume of ratings — 21 and 15 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Functional Groups ships an update every 4 months, BuzzU every 3 weeks. The most recent releases landed on September 13, 2026 and August 4, 2026 respectively.

## The numbers

| Metric | Functional Groups | BuzzU |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (21 ratings)](https://appshunter.io/ios/app/functional-groups/id1670252638/reviews) | **[5.0 (15 ratings)](https://appshunter.io/ios/app/buzzu-campus-radar/id6754003166/reviews)** |
| Number of ratings | **21** | 15 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 17 MB | 45 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Clarity Applications](https://appshunter.io/developer/1646120472) | [Eric Buswell](https://appshunter.io/developer/1846248863) |

## What reviewers say

### Functional Groups

[App page](https://appshunter.io/ios/app/functional-groups/id1670252638)

Master organic chemistry functional groups through an engaging and interactive learning experience. Ideal for students in introductory or advanced courses, MCAT prep, and A-Level chemistry, this app covers dozens of essential groups with practice modes and progress tracking.

**Highlights:** 25+ basic and advanced functional groups, 300+ organic compounds, Multiple practice modes, Customizable study groups, Personalized review, Reference table and definitions, Progress tracking with achievements

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $9.99 | one-time |


### BuzzU

[App page](https://appshunter.io/ios/app/buzzu-campus-radar/id6754003166)

Discover free food, merchandise, and events happening on campus in real-time. This community-driven radar uses live pins on a map to help students find and grab freebies. Earn points for contributions and check-ins to redeem rewards.

**Highlights:** Live campus radar with real-time pins, Find free food, drinks, and events, Rewards shop for earned points, Equippable titles to display status, Smart notifications for new pins and updates, Crowdsourced and verified event information, Verified student access via university email

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Functional Groups free?

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

### Is BuzzU free?

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

### Which has better reviews, Functional Groups or BuzzU?

BuzzU is rated higher. Functional Groups averages 4.9 out of 5 from 21 ratings, while BuzzU averages 5.0 from 15 ratings.

### Do Functional Groups or BuzzU have ads?

BuzzU shows ads; Functional Groups does not.

### Which is updated more often, Functional Groups or BuzzU?

Functional Groups ships an update every 4 months, and BuzzU every 3 weeks. Most recently, Functional Groups was updated on September 13, 2026 and BuzzU on August 4, 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.*