# Vernier Spectral Analysis vs Functional Groups

The clearest difference is review sentiment: Functional Groups at 100% against Vernier Spectral Analysis's 21%. Functional Groups also leads on rating (4.9 vs 2.2) and update cadence (every 4 months vs every 8 months). Vernier Spectral Analysis's advantage is in-app purchases (none vs 1). On price, ratings volume, ads and device support there is nothing between them.

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

Functional Groups holds the better App Store score, 4.9 against 2.2. Both are backed by a comparable volume of ratings — 61 and 21 respectively. Written reviews point the same way: 21% of Vernier Spectral Analysis's written reviews are positive against 100% of Functional Groups's.

Vernier Spectral Analysis ships an update every 8 months, Functional Groups every 4 months. The most recent releases landed on October 23, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Vernier Spectral Analysis | Functional Groups |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.2 (61 ratings)](https://appshunter.io/ios/app/vernier-spectral-analysis/id1323245536/reviews) | **[4.9 (21 ratings)](https://appshunter.io/ios/app/functional-groups/id1670252638/reviews)** |
| Number of ratings | **61** | 21 |
| Positive reviews | 21.1% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 4 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 38 MB | 17 MB |
| Requires iOS | 16.7.8 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Vernier Software & Technology](https://appshunter.io/developer/389784250) | [Clarity Applications](https://appshunter.io/developer/1646120472) |

## What reviewers say

### Vernier Spectral Analysis

[App page](https://appshunter.io/ios/app/vernier-spectral-analysis/id1323245536)

This free app enables students to perform spectral analysis in biology and chemistry labs. It facilitates data collection and analysis for topics like Beer's Law and enzyme kinetics. The user-friendly interface guides students through the process, offering features like curve fitting.

**Highlights:** Full spectrum data collection, Beer's Law exploration, Enzyme kinetics analysis, Plant pigment studies, Curve fitting, Data interpolation

**Features:** Vision Pro support

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Vernier Spectral Analysis free?

Vernier Spectral Analysis is free to download, with no in-app purchases.

### Is Functional Groups free?

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

### Which has better reviews, Vernier Spectral Analysis or Functional Groups?

Functional Groups is rated higher. Vernier Spectral Analysis averages 2.2 out of 5 from 61 ratings, while Functional Groups averages 4.9 from 21 ratings.

### Do Vernier Spectral Analysis or Functional Groups have ads?

Neither Vernier Spectral Analysis nor Functional Groups shows ads.

### Which is updated more often, Vernier Spectral Analysis or Functional Groups?

Vernier Spectral Analysis ships an update every 8 months, and Functional Groups every 4 months. Most recently, Vernier Spectral Analysis was updated on October 23, 2026 and Functional Groups on October 11, 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.*