# Mobile Science vs CompTIA Security ExamSimulator

The clearest difference is in-app purchases: Mobile Science at none against CompTIA Security ExamSimulator's 3. Mobile Science also leads on iOS requirement (6.0 vs 15.6). CompTIA Security ExamSimulator's advantage is update cadence (every 4 months vs every 79 months). On price, ads and device support there is nothing between them.

Both are free to download. CompTIA Security ExamSimulator sells 3 in-app purchases, starting at $3.99 per month. Mobile Science asks for nothing beyond the download.

Mobile Science ships an update every 79 months, CompTIA Security ExamSimulator every 4 months. The most recent releases landed on October 7, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Mobile Science | CompTIA Security ExamSimulator |
| --- | --- | --- |
| 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** | Yes |
| Ads | No | No |
| Update frequency | Every 79 months | **Every 4 months** |
| Monetization | Free | — |
| Size | 1 MB | 92 MB |
| Requires iOS | **6.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Indiana University](https://appshunter.io/developer/383456988) | [Nguyen Duy Khanh](https://appshunter.io/developer/1345775745) |

## 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


### CompTIA Security ExamSimulator

[App page](https://appshunter.io/ios/app/comptia-security-examsimulator/id6501984038)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $3.99 | per month |
| Premium Quarterly | $8.99 | per 3 months |
| Premium Yearly | $24.99 | per year |


## Frequently asked questions

### Is Mobile Science free?

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

### Is CompTIA Security ExamSimulator free?

CompTIA Security ExamSimulator is free to download, with in-app purchases available.

### Do Mobile Science or CompTIA Security ExamSimulator have ads?

Neither Mobile Science nor CompTIA Security ExamSimulator shows ads.

### Which is updated more often, Mobile Science or CompTIA Security ExamSimulator?

Mobile Science ships an update every 79 months, and CompTIA Security ExamSimulator every 4 months. Most recently, Mobile Science was updated on October 7, 2026 and CompTIA Security ExamSimulator on October 4, 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.*