tempi.fi vs NoteSurf
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
tempi.fi
This app connects to wireless sensors to continuously monitor temperature and humidity. Receive alerts for out-of-range conditions, store historical data, and export readings in CSV format. Ideal for various environments like refrigerators, nurseries, and greenhouses.
- Wireless sensor connection
- Continuous temperature/humidity monitoring
- Out-of-range alerts
- Historical data storage
- CSV data export
- Automatic sensor setup
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tempi.fi's wireless temperature and humidity sensors record a new reading every minute using best-in-class Swiss made temperature and humidity sensing components, sync directly to your smart phone, fit almost anywhere, and last longer than a year on a single coin cell battery. They are ideal for monitoring refrigerators, freezers, children’s rooms, animal & pet conditions, wine cellars, greenhouses, senior living conditions, freezing pipes, art collections, cigar humidors, chicken incubation, musical instruments and more… With this app, you can connect and setup one or more sensors, continuously monitor temperature and humidity, get notifications when the temperature or humidity is out of range, store a virtually unlimited history, and export data in CSV format. How it works: • Automatically setup your sensor by holding it over your phone or tablet • Name your sensor and set your desired conditions (if any) • When in range, the app will automatically upload the sensor data • If temperature or humidity is higher or lower than desirable, you get an app notification • View historical data and create reports anytime
NoteSurf
A minimalist notes app for capturing ideas quickly and effortlessly. It offers a simple list view, autosave, and sync features without clutter or complex formatting, making it ideal for daily notes, meeting minutes, and to-do lists.
- Fast idea capture
- Simple list view
- Autosave functionality
- Background sync
- No clutter or complex formatting
- Meeting notes and action items
- Simple checklists and to-dos
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Meet NoteSurf – a fast, minimal notes app designed for people who think in motion. Capture ideas in seconds, see everything in a simple list, and let autosave + sync handle the rest behind the scenes. No clutter, no folders to babysit, no complicated formatting. Just you and your thoughts. Use NoteSurf for: • Quick daily notes and brain dumps • Meeting notes and action items • Simple checklists and to‑dos • Ideas, drafts, and planning Whether you’re capturing a passing thought or journaling your day, NoteSurf makes it feel effortless — like surfing your own stream of ideas.
Screenshots
Verdict
The clearest difference is update cadence: NoteSurf at every 2 days against tempi.fi's every 9 months. NoteSurf also leads on rating (5.0 vs 4.7). tempi.fi's advantage is ratings volume (19 vs 2) and iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and monetization model 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.
NoteSurf holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: tempi.fi has 19 ratings behind it against 2, so its average is the more settled of the two.
tempi.fi ships an update every 9 months, NoteSurf every 2 days. The most recent releases landed on July 7, 2026 and September 24, 2026 respectively.
| Parameter | tempi.fi | NoteSurf |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (19 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 92.9% of reviews | — |
| Number of ratings | 19 — better | 2 |
| Update frequency | Every 9 months | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 22 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | VITALNOMAD LLC | CloudSurf Software LLC |
Customer experience
tempi.fi
NoteSurf
In-app purchases
tempi.fi
No in-app purchases
NoteSurf
No in-app purchases









