GlucoWatch vs Glucose Smash CGM tracker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GlucoWatch
This app displays real-time glucose data from compatible sensors directly on your Apple Watch face. It offers convenient and discreet monitoring for users of Abbott's FreeStyle Libre 2 and Libre 3 sensors.
- Real-time glucose data display
- Apple Watch face integration
- Compatible with FreeStyle Libre 2 & 3
- Discreet monitoring
- Uses LibreLinkUp app data
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GlucoWatch is an Apple Watch app dedicated to glucose monitoring, compatible with Abbott's FreeStyle Libre 2 and Libre 3 sensors. Important: If you encounter any issues downloading the app, please download it directly from the App Store on your Apple Watch, not from your iPhone. GlucoWatch displays real-time glucose data transmitted via the LibreLinkUp app directly on your watch face for convenient and discreet monitoring. GlucoWatch is an independent, personally developed app with no affiliation to Abbott. The information displayed is not intended for medical use. Always refer to your official LibreLink or Libre 3 app, or perform a blood glucose test if you have any doubts about the data. All trademarks, logos, and brand names are the property of their respective owners.
Glucose Smash CGM tracker
This app provides a fun and flexible way to monitor blood sugar levels using Freestyle Libre sensors. It offers customizable widgets, goal setting, and a calendar view for easy data access. Earn awards for achieving your glucose targets.
- Widgets for lock-screen and standby mode
- iPad native version
- Calibrate sensor readings
- Set custom glucose goals
- Calendar view for historical data
- Earn awards for progress
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Glucose Smash: The Sweet Way to Track Glucose To use this, you need to be using FreeStyleLibre Sensors, and have a LibreLinkUp login & password to sync your data. Tired of bland glucose apps? Meet Glucose Smash, the fun and flexible way to keep your blood sugar in check! Sweet Features: Widgets for lock-screen, main screen, standby mode. Ipad native version Calibrate Your View: Fine-tune your sensor readings if they’re running too high or too low. Set Your Own Goals: Choose your ideal average glucose and your personal “sweet spot” range. Calendar View: Tap any date to see that day’s readings — easy as pie. Earn Awards: Smash your goals and collect rewards that make progress feel oh-so-sweet. Because tracking your glucose should feel good — not like a sugar crash. Free & no ads.
Screenshots
Verdict
The clearest difference is rating: Glucose Smash CGM tracker at 5.0 against GlucoWatch's 3.6. Glucose Smash CGM tracker also leads on in-app purchases (none vs 4) and update cadence (every 4 days vs every 10 days). GlucoWatch's advantage is ratings volume (208 vs 4) and iOS requirement (15.0 vs 17.0). On price, 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
Both are free to download. GlucoWatch sells 4 one-off in-app purchases. Glucose Smash CGM tracker asks for nothing beyond the download.
Glucose Smash CGM tracker holds the better App Store score, 5.0 against 3.6. That said, the two scores are not equally well evidenced: GlucoWatch has 208 ratings behind it against 4, so its average is the more settled of the two.
GlucoWatch ships an update every 10 days, Glucose Smash CGM tracker every 4 days. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.
| Parameter | GlucoWatch | Glucose Smash CGM tracker |
|---|---|---|
| Price | Free | Free |
| Rating | 3.6 (208 ratings) | 5.0 (4 ratings) — better |
| Positive reviews | 69.4% of reviews | — |
| Number of ratings | 208 — better | 4 |
| Update frequency | Every 10 days | Every 4 days — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, Mac |
| Requires iOS | 15.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 28 MB | 41 MB |
| Age rating | 4+ | 12+ |
| Developer | Denis Labaste | lawrence SHIH |
Customer experience
GlucoWatch
Glucose Smash CGM tracker
Bugs and requests
GlucoWatch
Reported bugs
3 issues- App not showing up on watch
- Disconnection issues after updates
- Apple Health sync not working
Requested features
4 requests- Automatic Apple Health sync
- Customizable alert thresholds
- Larger font size on watch face
- Direct sensor reading without phone
Glucose Smash CGM tracker
Not enough reviews yet to summarise bugs or requests.
In-app purchases
GlucoWatch
- Sympathetic donation$4.00
- Generous donation$9.00
- Incredible donation$18.00
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- Legendary donation$45.00
Glucose Smash CGM tracker
No in-app purchases
