# Mobile Science vs Word Mean +

The clearest difference is update cadence: Word Mean + at every 5 days against Mobile Science's every 79 months. Mobile Science's advantage is iOS requirement (6.0 vs 16.6). 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.

Mobile Science ships an update every 79 months, Word Mean + every 5 days. The most recent releases landed on October 16, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Mobile Science | Word Mean + |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (3 ratings)](https://appshunter.io/ios/app/mobile-science-acceleration/id389821809/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 79 months | **Every 5 days** |
| Monetization | Free | — |
| Size | 1 MB | 4 MB |
| Requires iOS | **6.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Indiana University](https://appshunter.io/developer/383456988) | [Nilesh Kamble](https://appshunter.io/developer/1790227862) |

## What reviewers say

### Mobile Science

[App page](https://appshunter.io/ios/app/mobile-science-acceleration/id389821809)

Record, graph, and email accelerometer measurements from your device. Analyze motion along a single axis to measure acceleration, velocity, and distance. Offers real-time graphing and calibration options for accurate data collection.

**Highlights:** Record accelerometer measurements, Graph acceleration, velocity, and distance, Email recorded data, Adjust sample rate, Calibrate axis values, Real-time axis value display

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

**In-app purchases:** none


### Word Mean +

[App page](https://appshunter.io/ios/app/word-mean-plus/id6744270167)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Mobile Science free?

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

### Is Word Mean + free?

Word Mean + is free to download, with no in-app purchases.

### Do Mobile Science or Word Mean + have ads?

Neither Mobile Science nor Word Mean + shows ads.

### Which is updated more often, Mobile Science or Word Mean +?

Mobile Science ships an update every 79 months, and Word Mean + every 5 days. Most recently, Mobile Science was updated on October 16, 2026 and Word Mean + on October 5, 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.*