Comparison

WSPR watch vs Polymer

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

Head to head
About

WSPR watch

This utility app provides ham radio operators with real-time WSPRnet and PSKreporter data. It displays who can hear you and offers detailed information for each spot. Users can also export data for further analysis.

Highlights
  • WSPRnet and PSKreporter data display
  • Real-time reception information
  • Detailed spot information
  • QRZ.com call sign lookup
  • Tab-delimited CSV export
Features
Read full description

Utility for ham radio users of WSPRnet. Quickly shows who can hear you and details of each spot. Tap a spot in the table to look up the call on QRZ.com. Export produces as tab delimited CSV file that can be sent to Numbers for sorting, filtering and graphing beyond what is in the app itself.

About

Polymer

Manage your 3D printer remotely from your mobile device. Monitor print progress with live camera feeds, view status updates, and control printer functions. Offers an optional upgrade for advanced features and multiple printer support.

Highlights
  • Live camera streaming
  • Print status monitoring
  • Start, stop, and pause prints
  • Control heater temperatures
  • File management and viewing
  • Remote access integration
Features
Read full description

(Formerly known as OctoClient for OctoPrint.) Polymer is the simplest way to manage a 3D printer, right from your mobile device. It works with any 3D printer with OctoPrint. You can start and monitor prints from anywhere*, and manage your printer with its advanced controls. It is built to be at home on iOS, sporting a beautiful, intuitive design. Here's what some users have to say: – "Works great. Love it. Wouldn’t own a 3D printer without it." – "Simple, straightforward, works like a charm." – "Must have for any 3D printer owner!" Extended feature list: MONITOR YOUR PRINTS ------------------------ • Live camera streaming: watch your print progress remotely. • Status monitoring: view the print completion, heater temperatures, time elapsed and estimated time remaining. • GCODE view (iPad only): follow your printer's moves as the print progresses. CONTROL YOUR PRINTER -------------------- • Start, stop, and pause prints • Home axes • Set heater temperatures • Extrude and retract filament • Set fan speeds • Set feed and flow rates • Disable motors • Multiple printer support • Add your own custom commands • Send and receive GCODE command messages to your printer • Use OctoPrint system commands • Control your printer's power supply FILE MANAGEMENT -------------------- • File viewer: view all your files and folders. See analysis results for your models (such as estimated print time), and view their print history • Create folders • Upload files to OctoPrint or your printer SD card REMOTE ACCESS ------------------ • Integration with the OctoEverywhere service for hassle-free, secure, remote access. ------------- * Using Polymer outside your local network requires configuring a remote access method. See polymer3d.app/remote for setup guides. This is an independent app that is neither affiliated with nor endorsed by the OctoPrint project or its creator. OctoPrint is a registered trademark owned by Gina Häußge.

Screenshots

WSPR watch4 screens
Polymer4 screens

Verdict

The call

The clearest difference is in-app purchases: WSPR watch at none against Polymer's 4. WSPR watch also leads on review sentiment (94% vs 81%) and update cadence (fortnightly vs monthly). Polymer's advantage is ratings volume (1.7K vs 73) and iOS requirement (15.0 vs 17.6). On price, rating, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Polymer sells 4 one-off in-app purchases. WSPR watch asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.8 for WSPR watch against 4.7 for Polymer. That said, the two scores are not equally well evidenced: Polymer has 1.7K ratings behind it against 73, so its average is the more settled of the two. Written reviews are what separate them: 94% of WSPR watch's written reviews are positive against 81% of Polymer's.

UpkeepUpdate frequency

WSPR watch ships an update fortnightly, Polymer monthly. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

Scorecard6 real differences · 4 level
WSPR watch versus Polymer: the parameters behind the verdict, then further details
ParameterWSPR watchPolymer
PriceFreeFree
Rating4.8 (73 ratings) — better4.7 (1.7K ratings)
Positive reviews93.7% of reviews — better80.7% of reviews
Number of ratings731.7K — better
Update frequencyFortnightly — betterMonthly
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.615.0 — better
Further details — not scored
Size8 MB12 MB
Age rating4+4+
DeveloperAccess InformaticsLachlan Bell

Customer experience

WSPR watch

All ratings73 ratings
Positive93.2%
Neutral4.1%
Negative2.7%
Written reviews79 reviews
Positive93.7%
Neutral5.1%
Negative1.3%

Polymer

All ratings1,641 ratings
Positive94.1%
Neutral2.5%
Negative3.4%
Written reviews176 reviews
Positive80.7%
Neutral8.0%
Negative11.4%

User reviews

WSPR watch

From 73 App Store ratings

What we love

  • 👍 Easy to use interface
  • 🚀 Fast data access
  • 🗺️ Superb globe/map visualization
  • 📱 Runs well on Mac, iPad, and iPhone
  • 💡 Developer is responsive and active

Room to improve

  • 🐛 Spot info jumbled in portrait mode
  • 🐛 Crashes sometimes
  • 🐛 WSPRnet API not working for some users
  • 🐛 PSK reporter not working for some users
  • 🐛 RBN not working for some users

Polymer

From 1.7K App Store ratings

What we love

  • 👍 Excellent interface and design
  • 🚀 Responsive and efficient
  • 💡 Great features for controlling 3D printers
  • 🔒 Secure connection to OctoPrint
  • 🎨 Beautiful and clean UI

Room to improve

  • 🐛 Occasional connectivity issues
  • 🔍 Missing some advanced features like plugins
  • ⏱️ Slow response times in some cases
  • 🔔 Lack of notifications for print completion

Bugs and requests

WSPR watch

Reported bugs

16 issues
  • Spot Info is jumbled in Portrait mode
  • Crashes sometimes
  • WSPRnet API hasn't worked for weeks for some users
  • WSPRnet itself not providing data for some users
  • PSK reporter doesn't work
Show 11 more
  • RBN doesn't work for some users
  • Hourly look back period obscured by keyboard on iPhone 5se
  • Color legend doesn't work as described
  • Duplicates in the spot list
  • Cannot get 10MHz results
  • Unclear what colored bars indicate
  • Doesn't load all spots for a band
  • Minimum DX distance not working for version 4
  • Hourly look back period obscured by keyboard on iPhone 5se
  • Color legend doesn't work as described
  • Duplicates in the spot list

Requested features

18 requests
  • Zoom out on map to see all spots
  • Add-on features
  • Ability to switch between local and UTC time
  • 24/12hr time format
  • Compare two callsigns
Show 13 more
  • Audio input for WSPR receive (decode on phone)
  • Monitor 2 or more bands at once
  • Quick way to change bands without going into settings
  • Time window slider on the map
  • Sorting by time, distance, etc. on list view
  • Partial callsign search
  • Satellite map view
  • Color legend for pins/lines
  • Duplicate spot removal
  • Support for 70cm and 23cm bands
  • Improved graph clarity
  • Option to change line color connecting Rx station to spot
  • Dark mode option

Polymer

Reported bugs

3 issues
  • Camera feed not working consistently
  • Settings screen not loading properly on some devices
  • Printer connection issues after app updates

Requested features

4 requests
  • Landscape mode support for tablets
  • Temperature graphs and print progress indicators
  • Ability to remotely control printer via VPN
  • Push notifications for print status updates

In-app purchases

None

WSPR watch

No in-app purchases

4 purchases

Polymer

One-time4
  • Kind Tip$2.99
  • Polymer Pro$9.99
  • Generous Tip$9.99
Show 1 more
  • Incredible Tip$14.99

Questions

Is WSPR watch free?
WSPR watch is free to download, with no in-app purchases.
Is Polymer free?
Polymer is free to download, with in-app purchases available.
Which has better reviews, WSPR watch or Polymer?
WSPR watch is rated higher. WSPR watch averages 4.8 out of 5 from 73 ratings, while Polymer averages 4.7 from 1.7K ratings.
Do WSPR watch or Polymer have ads?
Neither WSPR watch nor Polymer shows ads.
Which is updated more often, WSPR watch or Polymer?
WSPR watch ships an update fortnightly, and Polymer monthly. Most recently, WSPR watch was updated on November 1, 2026 and Polymer on November 2, 2026.

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