Comparison

ZSWatch vs DontCallMe

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

ZSWatch

Features
Read full description

ZSWatch is the official companion app for the ZSWatch open-source smartwatch. Connect over Bluetooth to unlock everything your DIY smartwatch can do. FEATURES • Voice Memos with AI Record voice memos on your watch. The app syncs them in the background, transcribes them and writes a summary. It can turn what you said into reminders and calendar events. Run it on your iPhone with on-device models, or use your own OpenRouter key. • Ask from Your Wrist Ask a question on your watch and get the answer back on your wrist. • Always Connected The connection runs in the background, reconnects on its own, and keeps your watch in sync even when the app is closed. • Notifications Your iPhone's notifications appear on your watch. • Firmware Updates Update your watch firmware over Bluetooth. Download official releases from GitHub or load local firmware files. Resource updates for watch faces and images are included. • Custom Watch Faces Pick a photo to use as your watch face background. • Weather and GPS Your watch gets current weather and a forecast for your location. Share your iPhone's location with your watch for workouts and outdoor activities. • Internet Relay Lets watch apps fetch information from the internet through your iPhone. • Health & Activity View daily steps, heart rate and activity history in charts. • Battery Analytics Monitor your watch's battery level and charging over time. • Guided Setup Pair with Apple's accessory setup. • Developer Tools A shell on the watch, BLE communication logs, sensor data, device diagnostics, and crash reports you can download and attach to a GitHub issue. REQUIREMENTS • ZSWatch smartwatch (github.com/ZSWatch/ZSWatch) OPEN SOURCE The ZSWatch app is open source. View the code, report issues and contribute at github.com/ZSWatch/ZSWatch-App

About

DontCallMe

Features
Read full description

Tired of spam calls? DontCallMe blocks and flags unwanted calls – no account, no ads, and no touching your data. WHAT NOBODY ELSE DOES Point the app at your very own list – e.g. a CSV file on GitHub – or use the community's. You decide exactly which numbers get blocked. None of the big spam blockers let you do that. OPEN AND TRANSPARENT The community list is public. Anyone can view, audit and contribute to it at dontcallme.eu, where you can also look up numbers for free and report spam. PRIVATE TO THE CORE • No account, no ads, no tracking • Your contacts are never uploaded • The numbers that call you never leave your phone – all screening happens on the device HOW IT WORKS 1. Pick a list: the community's or your own 2. The app fetches the list and keeps it updated automatically 3. Calls from numbers on the list are blocked or flagged The app uses iOS's built-in call blocking: the list is loaded into the system and iOS does the blocking itself – fast and battery-friendly. HONESTLY We're new. Our list is smaller than the global giants' – but it's open, it grows with the community, and you can always use your own. And since iOS doesn't allow showing names for unknown callers, we don't promise "live caller ID" – we just block and flag, reliably. The app collects no personal data. Privacy policy: https://dontcallme.eu/en/privacy

Screenshots

ZSWatch4 screens
DontCallMe2 screens

Verdict

The call

ZSWatch and DontCallMe are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ScorecardNo meaningful differences
ZSWatch versus DontCallMe: the parameters behind the verdict, then further details
ParameterZSWatchDontCallMe
PriceFreeFree
Update frequencyEvery 4 months—
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPod
Requires iOS14.0 — better15.0
Further details — not scored
Size73 MB7 MB
Age rating4+4+
DeveloperJakob KrantzGaijin ApS (DK)

In-app purchases

None

ZSWatch

No in-app purchases

None

DontCallMe

No in-app purchases

Questions

Is ZSWatch free?
ZSWatch is free to download, with no in-app purchases.
Is DontCallMe free?
DontCallMe is free to download, with no in-app purchases.
Do ZSWatch or DontCallMe have ads?
Neither ZSWatch nor DontCallMe shows ads.

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