# Vernier Spectral Analysis vs Alvin's Tracker

The clearest difference is update cadence: Alvin's Tracker at every 4 days against Vernier Spectral Analysis's every 8 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Vernier Spectral Analysis ships an update every 8 months, Alvin's Tracker every 4 days. The most recent releases landed on November 2, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Vernier Spectral Analysis | Alvin's Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.2 (61 ratings)](https://appshunter.io/ios/app/vernier-spectral-analysis/id1323245536/reviews)** | — |
| Number of ratings | **61** | — |
| Positive reviews | 21.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 4 days** |
| Monetization | Free | — |
| Size | 38 MB | 33 MB |
| Requires iOS | 16.7.8 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vernier Software & Technology](https://appshunter.io/developer/389784250) | [Alvin Hadi Sumarlin](https://appshunter.io/developer/1892962262) |

## 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


### Alvin's Tracker

[App page](https://appshunter.io/ios/app/alvins-tracker/id6762111909)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Vernier Spectral Analysis free?

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

### Is Alvin's Tracker free?

Alvin's Tracker is free to download, with no in-app purchases.

### Do Vernier Spectral Analysis or Alvin's Tracker have ads?

Neither Vernier Spectral Analysis nor Alvin's Tracker shows ads.

### Which is updated more often, Vernier Spectral Analysis or Alvin's Tracker?

Vernier Spectral Analysis ships an update every 8 months, and Alvin's Tracker every 4 days. Most recently, Vernier Spectral Analysis was updated on November 2, 2026 and Alvin's Tracker on October 3, 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.*