# NATS App vs OhmQuest

The clearest difference is in-app purchases: NATS App at none against OhmQuest's 1. NATS App also leads on iOS requirement (9 vs 15.0). OhmQuest's advantage is update cadence (every 10 days vs every 3 months). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. OhmQuest sells 1 one-off in-app purchase. NATS App asks for nothing beyond the download.

NATS App ships an update every 3 months, OhmQuest every 10 days. The most recent releases landed on October 12, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | NATS App | OhmQuest |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/nats-app/id1319554697/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 10 days** |
| Monetization | Free | Free |
| Size | 16 MB | 21 MB |
| Requires iOS | **9** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ClearScholar](https://appshunter.io/developer/1138442538) | [建超 崔](https://appshunter.io/developer/1411749208) |

## What reviewers say

### NATS App

[App page](https://appshunter.io/ios/app/nats-app/id1319554697)

This app provides students with timely and relevant campus information to enhance their experience and foster engagement. Stay informed about campus news and upcoming events.

**Highlights:** Campus news updates, Event information, Student experience enhancement, Campus engagement tools, Timely information delivery

**Features:** macOS Compatibility

**In-app purchases:** none


### OhmQuest

[App page](https://appshunter.io/ios/app/ohmquest-circuit-lab/id6797415284)

This app provides an interactive simulation lab for learning about electricity. It features progressive challenge levels and exam exercises to help users master concepts like current, voltage, and resistance. A free sandbox mode allows for experimentation with various components and instant parameter adjustments.

**Highlights:** Interactive circuit simulation, Progressive challenge levels, Exam exercises for practice, Free sandbox mode, Instant parameter adjustments, Local progress saving

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OhmQuest Full Access | $1.99 | one-time |


## Frequently asked questions

### Is NATS App free?

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

### Is OhmQuest free?

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

### Do NATS App or OhmQuest have ads?

Neither NATS App nor OhmQuest shows ads.

### Which is updated more often, NATS App or OhmQuest?

NATS App ships an update every 3 months, and OhmQuest every 10 days. Most recently, NATS App was updated on October 12, 2026 and OhmQuest 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.*