# MoBAT vs Xerxes SIEMS

The clearest difference is rating: MoBAT at 4.0 against Xerxes SIEMS's 3.1. Xerxes SIEMS's advantage is ratings volume (14 vs 1). 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.

MoBAT holds the better App Store score, 4.0 against 3.1. That said, the two scores are not equally well evidenced: Xerxes SIEMS has 14 ratings behind it against 1, so its average is the more settled of the two.

MoBAT ships an update weekly, Xerxes SIEMS every 2 weeks. The most recent releases landed on September 7, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | MoBAT | Xerxes SIEMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/mobat/id6670730355/reviews)** | [3.1 (14 ratings)](https://appshunter.io/ios/app/xerxes-siems/id6746360505/reviews) |
| Number of ratings | 1 | **14** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | Free | Free |
| Size | 66 MB | 104 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [The Federal Polytechnic Ede](https://appshunter.io/developer/1684585126) | [Adewale Adekunle](https://appshunter.io/developer/1676641140) |

## What reviewers say

### MoBAT

[App page](https://appshunter.io/ios/app/mobat/id6670730355)

This app offers a personalized and efficient assessment experience using adaptive learning techniques. It adjusts to your learning needs in real-time for precise skill measurement, allowing you to take tests on the go, anywhere and anytime.

**Highlights:** Adaptive learning techniques, Personalized assessment experience, Real-time adjustment to learning needs, Precise skill measurement, Mobile-first assessment, On-the-go testing

**Features:** macOS Compatibility

**In-app purchases:** none


### Xerxes SIEMS

[App page](https://appshunter.io/ios/app/xerxes-siems/id6746360505)

This platform helps tertiary institutions manage student records and academic evaluations. It offers features for registration, course tracking, and secure computer-based testing with remote and AI-assisted proctoring.

**Highlights:** Student record management, Academic evaluation, Computer-based testing (CBT), Remote proctoring, AI-assisted proctoring, Registration management, Course tracking

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

**In-app purchases:** none


## Frequently asked questions

### Is MoBAT free?

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

### Is Xerxes SIEMS free?

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

### Which has better reviews, MoBAT or Xerxes SIEMS?

MoBAT is rated higher. MoBAT averages 4.0 out of 5 from 1 ratings, while Xerxes SIEMS averages 3.1 from 14 ratings.

### Do MoBAT or Xerxes SIEMS have ads?

Neither MoBAT nor Xerxes SIEMS shows ads.

### Which is updated more often, MoBAT or Xerxes SIEMS?

MoBAT ships an update weekly, and Xerxes SIEMS every 2 weeks. Most recently, MoBAT was updated on September 7, 2026 and Xerxes SIEMS on September 15, 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.*