Wattup vs ECHO Lock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Wattup
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Don't watt around—get the perfect power for your speakers effortlessly! With Wattup, you can fine-tune your audio experience by adjusting the distance from your speakers, the number of speakers, speaker sensitivity, and even add a safety margin. Say goodbye to watt'ing for the right sound. Download Wattup now and unleash the full potential of your audio setup. It's watt you've been waiting for!
ECHO Lock
This app enables battery-free locking and unlocking of smart locks using NFC technology on your smartphone. It offers a keyless and maintenance-free access solution, requiring compatible smart locks to function.
- Battery-free smart lock operation
- NFC-powered smartphone unlocking
- Keyless access solution
- Smartphone tap to lock/unlock
- Maintenance-free system
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Meet ECHO, the first battery-free, NFC-powered smart lock system Lock and unlock with just a tap of your smartphone – no keys, no batteries, no maintenance. Note: The app requires ECHO smart locks to access most features. The ECHO Lock App is designed to work exclusively with ECHO smart locks, providing secure and convenient access using your smartphone’s NFC technology.
Screenshots
Verdict
The clearest difference is iOS requirement: ECHO Lock at 15.6 against Wattup's 17.0. 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.
| Parameter | Wattup | ECHO Lock |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.5 (2 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | — | Every 2 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 17.0 | 15.6 — better |
| Further details — not scored | ||
| Size | 0 MB | 54 MB |
| Age rating | 4+ | 4+ |
| Developer | Aleksander Aas Sjafjell | LOWE AND FLETCHER LIMITED |
In-app purchases
Wattup
No in-app purchases
ECHO Lock
No in-app purchases









