BookNapper vs eco
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.
eco
This utility app connects to specific counting devices to retrieve and manage data. It allows users to initialize counters, view real-time counts, update firmware, and adjust sensor settings.
- Initialize Evo range counters
- Display real-time count data
- Retrieve data by date
- Send data to Eco-Visio
- Perform tests and diagnostics
- Update firmware
- Adjust sensor settings
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Application only compatible with the 'Evo' range of counters. Eco-Counter® has more than 15 years of experience developing automated solutions for counting pedestrians and cyclists and enabling a data-driven approach to bike and pedestrian planning. Our durable, discreet counters are trusted all over the world – from bike counters deployed on the busiest cycle tracks of New York City, to trail counters in remote regions of the Rockies. Eco-Link Evo for iOS has been specifically designed to retrieve data on all kinds of counting systems in the Eco-Counter Evo® range from a simple smartphone. We're excited to offer this new app. Please feel free to share with us your feedback or any improvement suggestions you may have. Easy to use and intuitive, Eco-Link Evo allows among other things to: - Initialize counters of the Evo range - Display count data in real time - Retrieve data from a counter initialization or from a desired date - Send data to Eco-Visio (diagnostics, count data, modem status, photos) - Perform tests and diagnostics - Update firmware versions - Adjust the sensors settings - Take photos of the counting sites (displayed in Eco-Visio) - Set the time of a counter
Screenshots
Verdict
The clearest difference is update cadence: BookNapper at every 2 weeks against eco'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, eco every 2 months. The most recent releases landed on September 16, 2026 and September 28, 2026 respectively.
| Parameter | BookNapper | eco |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.0 (4 ratings) — better |
| Number of ratings | — | 4 — better |
| Update frequency | Every 2 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 16.0 | 15.6 — better |
| Further details — not scored | ||
| Size | 22 MB | 147 MB |
| Age rating | 4+ | 4+ |
| Developer | Cutedge | Quanteo Group |
In-app purchases
BookNapper
No in-app purchases
eco
No in-app purchases
