BL vs Merlino
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BL
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The Blulogica EasyTimer App can read and write on the Blulogica NFC Mifare card. The iPhone must be close to the card. The Download button reads the programming data from the NFC card. The Upload button sends the data to the NFC card. The App allows you to modify the displayed data before uploading them.
Merlino
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The Merlino app is able to read and write the parameters of CPA Merlino WiFi iOT devices: chlorine generators, devices for reading and regulating pH and Rx, for the management of heaters, whirlpools, pumps, RGB lamps. The devices are seen as WiFi Access Points. The app user must select the WiFi of a device in the iPhone settings before opening the app and connecting to it. The WiFi device must be close to the iPhone, at most a few meters. The app allows you to simulate the connection to a device, if the device is not physically available, by turning off the iPhone's WiFi before running the app, in this way it is possible to verify all the app's functions.
Screenshots
Verdict
The clearest difference is update cadence: Merlino at every 7 months against BL's every 29 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.
BL ships an update every 29 months, Merlino every 7 months. The most recent releases landed on September 10, 2026 and May 19, 2026 respectively.
| Parameter | BL | Merlino |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 29 months | Every 7 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 14.3 | 14.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Blulogica Srl | C.p.a s.r.l |
In-app purchases
BL
No in-app purchases
Merlino
No in-app purchases
