# interChem vs CampusOptics

The clearest difference is ratings volume: CampusOptics at 5 against interChem's 1. interChem's advantage is device support (4 vs 2) and iOS requirement (14.0 vs 16.4). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for interChem against 5.0 for CampusOptics. That said, the two scores are not equally well evidenced: CampusOptics has 5 ratings behind it against 1, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 14, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | interChem | CampusOptics |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/interchem/id1549651849/reviews) | [5.0 (5 ratings)](https://appshunter.io/ios/app/campusoptics/id1608207767/reviews) |
| Number of ratings | 1 | **5** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free | Free |
| Size | 1 MB | 105 MB |
| Requires iOS | **14.0** | 16.4 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [interfinity Limited](https://appshunter.io/developer/1774724445) | [CampusOptics, Inc.](https://appshunter.io/developer/1500448330) |

## What reviewers say

### interChem

[App page](https://appshunter.io/ios/app/interchem/id1549651849)

Calculate atomic and molecular masses, element percentages, and view a periodic table. Features dynamic font sizing and Split View support for iPad.

**Highlights:** Atomic and molecular mass calculation, Element percentage calculation, Periodic table with element classification, Dynamic font size support, Split View and drag-and-drop for iPad

**In-app purchases:** none


### CampusOptics

[App page](https://appshunter.io/ios/app/campusoptics/id1608207767)

This platform enhances campus safety for higher education institutions. It offers a mobile interface for field work, including managing hazardous materials, locating assets, conducting inspections, and logging incidents. Stay in control of daily responsibilities with a centralized schedule.

**Highlights:** Environmental health and safety field work, Hazardous materials management, Safety asset location, Inspection performance, Issue and incident logging, Centralized scheduling

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is interChem free?

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

### Is CampusOptics free?

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

### Which has better reviews, interChem or CampusOptics?

interChem and CampusOptics are both rated 5.0 out of 5 on the App Store, from 1 and 5 ratings respectively.

### Do interChem or CampusOptics have ads?

Neither interChem nor CampusOptics shows ads.

### Which is updated more often, interChem or CampusOptics?

interChem ships an update every 3 weeks, and CampusOptics every 3 weeks. Most recently, interChem was updated on October 14, 2026 and CampusOptics on October 7, 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.*