# UTD Services vs Thevenin

The clearest difference is in-app purchases: UTD Services at none against Thevenin's 2. UTD Services also leads on rating (4.5 vs 4.2) and device support (4 vs 1). Thevenin's advantage is update cadence (every 3 days vs every 2 months). On price, ratings volume and ads there is nothing between them.

Both are free to download. Thevenin sells 2 in-app purchases, starting at $4.99 per month. UTD Services asks for nothing beyond the download.

UTD Services holds the better App Store score, 4.5 against 4.2. Both are backed by a comparable volume of ratings — 4 and 10 respectively.

UTD Services ships an update every 2 months, Thevenin every 3 days. The most recent releases landed on September 17, 2026 and September 1, 2026 respectively.

## The numbers

| Metric | UTD Services | Thevenin |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (4 ratings)](https://appshunter.io/ios/app/utd-services/id1536688442/reviews)** | [4.2 (10 ratings)](https://appshunter.io/ios/app/thevenin-ai-stem-solver/id6759879628/reviews) |
| Number of ratings | 4 | **10** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | **Free** | Freemium |
| Size | 51 MB | 43 MB |
| Requires iOS | **14.0** | 17.6 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [University of Texas at Dallas](https://appshunter.io/developer/552158925) | [Thafier Mahmood](https://appshunter.io/developer/1698380406) |

## What reviewers say

### UTD Services

[App page](https://appshunter.io/ios/app/utd-services/id1536688442)

Navigate campus, find dining options, and check real-time parking availability. This app keeps you informed about all things UT Dallas, with more features planned.

**Highlights:** Campus wayfinding and maps, Real-time parking availability, Open dining locations and food trucks, Online food ordering, Building name and abbreviation lookup

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Thevenin

[App page](https://appshunter.io/ios/app/thevenin-ai-stem-solver/id6759879628)

Instantly solve and understand electrical circuits with AI. Scan diagrams from textbooks or notes to get step-by-step solutions for DC/AC circuits, equivalents, and more. Designed for engineering students to grasp concepts and prepare for exams.

**Highlights:** Instant circuit scanning, Step-by-step solution breakdown, Support for DC/AC circuits, Thevenin/Norton equivalents, Nodal and mesh analysis, Op-amp and BJT analysis, High-accuracy component detection

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $4.99 | per month |
| Pro | $29.99 | per year |


## Frequently asked questions

### Is UTD Services free?

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

### Is Thevenin free?

Thevenin is free to download, with in-app purchases available.

### Which has better reviews, UTD Services or Thevenin?

UTD Services is rated higher. UTD Services averages 4.5 out of 5 from 4 ratings, while Thevenin averages 4.2 from 10 ratings.

### Do UTD Services or Thevenin have ads?

Neither UTD Services nor Thevenin shows ads.

### Which is updated more often, UTD Services or Thevenin?

UTD Services ships an update every 2 months, and Thevenin every 3 days. Most recently, UTD Services was updated on September 17, 2026 and Thevenin on September 1, 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.*