# Campus CleanPay vs Opti Clinometer

The clearest difference is ads: Opti Clinometer at none against Campus CleanPay's shown. Opti Clinometer also leads on update cadence (every 2 days vs every 3 weeks). Campus CleanPay's advantage is iOS requirement (10.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.

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

Campus CleanPay ships an update every 3 weeks, Opti Clinometer every 2 days. The most recent releases landed on October 20, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Campus CleanPay | Opti Clinometer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.3 (83 ratings)](https://appshunter.io/ios/app/campus-cleanpay/id1522817346/reviews)** | — |
| Number of ratings | **83** | — |
| Positive reviews | 6.3% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Monetization | Ad-supported | — |
| Size | 43 MB | 2 MB |
| Requires iOS | **10.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [KioSoft Technologies LLC](https://appshunter.io/developer/1254243314) | [Burak Kizilobek](https://appshunter.io/developer/6788531231) |

## What reviewers say

### Campus CleanPay

[App page](https://appshunter.io/ios/app/campus-cleanpay/id1522817346)

Manage your laundry with ease at participating campus locations. View machine availability and receive notifications when a machine becomes free. This app uses Bluetooth to communicate with washers and dryers for a seamless laundry experience.

**Highlights:** View machine availability, Receive busy machine notifications, Bluetooth communication with machines, Complete laundry solution, Smart laundry management

**Features:** macOS Compatibility

**In-app purchases:** none


### Opti Clinometer

[App page](https://appshunter.io/ios/app/opti-clinometer/id6788531229)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Campus CleanPay free?

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

### Is Opti Clinometer free?

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

### Do Campus CleanPay or Opti Clinometer have ads?

Campus CleanPay shows ads; Opti Clinometer does not.

### Which is updated more often, Campus CleanPay or Opti Clinometer?

Campus CleanPay ships an update every 3 weeks, and Opti Clinometer every 2 days. Most recently, Campus CleanPay was updated on October 20, 2026 and Opti Clinometer on October 19, 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.*