# Meter vs Winston Scientific Calculator

The clearest difference is price: Meter at Free against Winston Scientific Calculator's $2.99. On update cadence, ads, in-app purchases and device support there is nothing between them.

Meter is free to download; Winston Scientific Calculator costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Meter ships an update every 3 days, Winston Scientific Calculator every 5 days. The most recent releases landed on October 24, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Meter | Winston Scientific Calculator |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[4.4 (7 ratings)](https://appshunter.io/ios/app/meter-sensor-dashboard/id6747471828/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 5 days |
| Monetization | Free | — |
| Size | 2 MB | 4 MB |
| Requires iOS | 18.2 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jiajun Zhang](https://appshunter.io/developer/1819165423) | [Robert Corbin](https://appshunter.io/developer/1890247992) |

## What reviewers say

### Meter

[App page](https://appshunter.io/ios/app/meter-sensor-dashboard/id6747471828)

This utility app turns your iPhone into a comprehensive measurement toolkit. It provides access to various device sensors for real-time data on altitude, speed, pressure, motion, magnetic fields, location, sound levels, and leveling. Enjoy a clean interface with no ads or subscriptions.

**Highlights:** Complete sensor suite, Real-time measurements, High accuracy and precision, Modern card-based interface, Dark mode support, Privacy-focused local data processing

**In-app purchases:** none


### Winston Scientific Calculator

[App page](https://appshunter.io/ios/app/winston-scientific-calculator/id6762801028)

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

**In-app purchases:** none


## Frequently asked questions

### Is Meter free?

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

### Is Winston Scientific Calculator free?

Winston Scientific Calculator costs $2.99, with no in-app purchases.

### Do Meter or Winston Scientific Calculator have ads?

Neither Meter nor Winston Scientific Calculator shows ads.

### Which is updated more often, Meter or Winston Scientific Calculator?

Meter ships an update every 3 days, and Winston Scientific Calculator every 5 days. Most recently, Meter was updated on October 24, 2026 and Winston Scientific Calculator on October 16, 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.*