# AltimeterThree vs Vernier Graphical Analysis

The clearest difference is rating: AltimeterThree at 4.6 against Vernier Graphical Analysis's 2.1. AltimeterThree also leads on review sentiment (67% vs 32%) and iOS requirement (7.0 vs 17.7). Vernier Graphical Analysis's advantage is ratings volume (527 vs 5). On price, update cadence, ads and in-app purchases there is nothing between them.

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

AltimeterThree holds the better App Store score, 4.6 against 2.1. That said, the two scores are not equally well evidenced: Vernier Graphical Analysis has 527 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 67% of AltimeterThree's written reviews are positive against 32% of Vernier Graphical Analysis's.

AltimeterThree ships an update monthly, Vernier Graphical Analysis every 2 months. The most recent releases landed on October 7, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | AltimeterThree | Vernier Graphical Analysis |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (5 ratings)](https://appshunter.io/ios/app/altimeterthree/id924087924/reviews)** | [2.1 (527 ratings)](https://appshunter.io/ios/app/vernier-graphical-analysis/id1385963326/reviews) |
| Number of ratings | 5 | **527** |
| Positive reviews | **66.7% of reviews** | 32.2% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free | Free |
| Size | 94 MB | 106 MB |
| Requires iOS | **7.0** | 17.7 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jolly Logic, LLC](https://appshunter.io/developer/924087923) | [Vernier Software & Technology](https://appshunter.io/developer/389784250) |

## What reviewers say

### AltimeterThree

[App page](https://appshunter.io/ios/app/altimeterthree/id924087924)

This companion app wirelessly connects to a physical altimeter device to record and analyze flight data for various flying objects. Visualize altitude and acceleration with interactive graphs, share your flight statistics, and export data for in-depth analysis.

**Highlights:** Wireless Bluetooth connection, Real-time battery and status display, Altitude and acceleration recording, Interactive flight data graphs, Data export for analysis, Social media sharing of flight stats

**Features:** macOS Compatibility

**In-app purchases:** none


### Vernier Graphical Analysis

[App page](https://appshunter.io/ios/app/vernier-graphical-analysis/id1385963326)

This app allows science students to collect, graph, and analyze data from Vernier sensors. It supports various sensor types, offers multiple data collection modes, and provides powerful analysis tools like curve fitting and statistics. Data can be shared and exported for reports and further analysis.

**Highlights:** Multi-sensor data collection, Various data collection modes, Simultaneous graph display, Data table view, Curve fitting, Statistical calculations, Data export (.CSV)

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Helpful for physics/chemistry labs
- 👍 Easy to use interface
- 💡 Useful data analysis features

**What reviewers complain about**

- 🐛 Frequent crashes and bugs
- 🔋 Drains battery quickly
- 🤯 Bizarre and unexplained glitches
- 🤢 Caused health issues for some users

**Reported bugs**

- App freezes and becomes unresponsive
- Sensor data not accurately recorded
- Unexpected app behavior and strange visual effects

**Requested features**

- More stable and reliable performance
- Better compatibility with older devices
- Improved Bluetooth connectivity


## Frequently asked questions

### Is AltimeterThree free?

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

### Is Vernier Graphical Analysis free?

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

### Which has better reviews, AltimeterThree or Vernier Graphical Analysis?

AltimeterThree is rated higher. AltimeterThree averages 4.6 out of 5 from 5 ratings, while Vernier Graphical Analysis averages 2.1 from 527 ratings.

### Do AltimeterThree or Vernier Graphical Analysis have ads?

Neither AltimeterThree nor Vernier Graphical Analysis shows ads.

### Which is updated more often, AltimeterThree or Vernier Graphical Analysis?

AltimeterThree ships an update monthly, and Vernier Graphical Analysis every 2 months. Most recently, AltimeterThree was updated on October 7, 2026 and Vernier Graphical Analysis on October 13, 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.*