# Vernier Instrumental Analysis vs Functional Groups

The clearest difference is in-app purchases: Vernier Instrumental Analysis at none against Functional Groups's 1. Functional Groups's advantage is update cadence (every 4 months vs every 12 months). On price, ads, device support and iOS requirement there is nothing between them.

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

Vernier Instrumental Analysis ships an update every 12 months, Functional Groups every 4 months. Both last shipped on October 11, 2026.

## The numbers

| Metric | Vernier Instrumental Analysis | Functional Groups |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (21 ratings)](https://appshunter.io/ios/app/functional-groups/id1670252638/reviews)** |
| Number of ratings | — | **21** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 4 months** |
| Monetization | — | Free with in-app purchases |
| Size | 35 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 Instrumental Analysis

[App page](https://appshunter.io/ios/app/vernier-instrumental-analysis/id1484007878)

**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 Instrumental Analysis free?

Vernier Instrumental 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.

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

Neither Vernier Instrumental Analysis nor Functional Groups shows ads.

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

Vernier Instrumental Analysis ships an update every 12 months, and Functional Groups every 4 months. Most recently, Vernier Instrumental Analysis was updated on October 11, 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.*