Campus CleanPay vs Opti Clinometer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Campus CleanPay
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.
- View machine availability
- Receive busy machine notifications
- Bluetooth communication with machines
- Complete laundry solution
- Smart laundry management
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ATTENTION: Only for use in participating Campus Laundry locations. Campus CleanPay is an iPhone application providing the easiest and smartest complete laundry solution. This app allows you to view your machine availability and get notification of a busy machine by using Bluetooth to communicate with the washer or dryer.
Opti Clinometer
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Opti Clinometer turns your iPhone into a precise field clinometer — a modern alternative to classic optical instruments. TWO MEASUREMENT MODES • Sight mode: hold the phone horizontally at eye level and aim along its top edge, like a classic clinometer. The right-hand end points at your target. • Camera mode: aim with the on-screen crosshair and read the slope to whatever you are looking at. SIMPLE BY DESIGN Tap the screen once — the reading freezes and is saved. Tap again to resume. That is the whole workflow. BUILT FOR REAL FIELD WORK • Rotating artificial horizon and bubble levels help you hold steady • Color-coded slope scale: green below 8%, yellow 8–15%, red above 15% • Optional measurement photos with a viewfinder HUD • Coordinates saved with measurements and a satellite map • Measurement history with notes and CSV export • Readings shown in both percent and degrees NO NONSENSE No ads, no accounts, no tracking. The app collects no data at all.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Campus CleanPay | Opti Clinometer |
|---|---|---|
| Price | Free | Free |
| Rating | 1.3 (83 ratings) — better | — |
| Positive reviews | 6.3% of reviews | — |
| Number of ratings | 83 — better | — |
| Update frequency | Every 3 weeks | Every 2 days — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 10.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 43 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | KioSoft Technologies LLC | Burak Kizilobek |
In-app purchases
Campus CleanPay
No in-app purchases
Opti Clinometer
No in-app purchases
Questions
Is Campus CleanPay free?
Is Opti Clinometer free?
Do Campus CleanPay or Opti Clinometer have ads?
Which is updated more often, Campus CleanPay or Opti Clinometer?
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