BookNapper vs PreSens Wireless Studio
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BookNapper
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Singapore National Library Board (NLB) Book Availability Search. Keep a list of books to read by scanning in their ISBN bar code numbers. The app will tell you where each book can be found in the NLB branch library system. Also, when you walk into an NLB branch library, the app will tell you which of the books in your to-read list can be found there, together with their call numbers, so you can quickly locate the book.
PreSens Wireless Studio
This application allows users to connect to Bluetooth-enabled oxygen meters for configuration, measurement, and data management. It supports live viewing of oxygen concentration and exporting data in various formats.
- Bluetooth oxygen meter connection
- Device configuration
- Live oxygen measurement display
- Measurement data management
- Data export to CSV, XLSX, PDF
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This app, PreSens Wireless Studio, connects to Bluetooth capable oxygen meters from PreSens. It configures, starts, captures and saves oxygen measurements. PreSens Wireless Studio requires a Bluetooth capable PreSens oxygen meter to measure. It does not work with PreSens devices that are not Bluetooth capable. Features - Search for oxygen meters in the area using Bluetooth Low Energy - Connect to the oxygen meter - Configure the device (measurement parameters, calibration, temperature compensation, salinity) - Start, pause and stop measurements - Display oxygen concentration in Live View - Manage measurement data on the device - Download measurement data, display and save data to .csv, .xlsx and .pdf
Screenshots
Verdict
The clearest difference is update cadence: BookNapper at every 2 weeks against PreSens Wireless Studio's every 2 months. On price, ads, 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.
BookNapper ships an update every 2 weeks, PreSens Wireless Studio every 2 months. The most recent releases landed on October 3, 2026 and October 6, 2026 respectively.
| Parameter | BookNapper | PreSens Wireless Studio |
|---|---|---|
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| Update frequency | Every 2 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 22 MB | 56 MB |
| Age rating | 4+ | 4+ |
| Developer | Cutedge | PreSens Precision Sensing GmbH |
In-app purchases
BookNapper
No in-app purchases
PreSens Wireless Studio
No in-app purchases
Questions
Is BookNapper free?
Is PreSens Wireless Studio free?
Do BookNapper or PreSens Wireless Studio have ads?
Which is updated more often, BookNapper or PreSens Wireless Studio?
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