Flue Gas Analysis vs JustCountdown
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Flue Gas Analysis
View and export flue gas analysis data from Wöhler Analyzers on your mobile device. Configure graphical displays and save measurements in various formats like PDF, CSV, and XML.
- Graphical and numerical display of measured values
- Configuration of graphical display
- Save measured values as PDF, CSV, XML, JPG
- Configuration of PDF file
- Export data from Wöhler Analyzers
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"With this app, the measured values of the Wöhler Analyzers A 450 and A 550 can be displayed graphically and numerically on the mobil device and exported. Functions: * * Graphical and numerical display of measured values * Configuration of the graphical display * Save the measured values as PDF, CSV, XML, JPG * Configuration of the PDF file About Wöhler: Wöhler has been a technically oriented, internationally operating family business for over 90 years. We develop innovative measuring, inspection and cleaning equipment for heating, ventilation and building applications. Our products are always tailored to the needs of our customers"
JustCountdown
This app provides a simple and elegant way to track upcoming events directly from your wrist. Set target dates and times, and view your progress with glanceable complications on your watch face. It offers multiple display formats and a private, ad-free experience.
- Set countdowns on your watch
- Glanceable watch face complications
- Multiple display formats
- Favorite and recent event lists
- Count up from past dates
- Private and ad-free design
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JustCountdown is a focused, elegant countdown timer designed for Apple Watch. Set a target date and time, then glance at your progress from your watch face with a responsive complication. Whether you’re counting down to a trip, a deadline, or a special event, JustCountdown keeps you on track with clear, compact time displays. Highlights • Simple setup: pick a date and time directly on your watch • Smart complication: updates more frequently as your event approaches • Multiple formats: tap the countdown to cycle through views (compact, full units, decimal years/months, weeks+days) • Favourites: star important targets — they stay pinned and won’t be cleared • Recent targets: quickly reuse events you’ve set before • Thoughtful design: readable typography, smooth layout on all watch sizes Why it’s great • Glanceable: see what matters, right from your watch face • Reliable: designed to be power‑friendly while staying informative • Private: no accounts, no tracking — everything stays on your device Notes • Works with supported watch faces and complication slots. • Secret feature: you can also count UP from dates and times in the past!
Screenshots
Verdict
The clearest difference is update cadence: JustCountdown at every 2 weeks against Flue Gas Analysis's every 2 months. On price, ads, in-app purchases and monetization model 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.
Flue Gas Analysis ships an update every 2 months, JustCountdown every 2 weeks. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.
| Parameter | Flue Gas Analysis | JustCountdown |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | — | 1 — better |
| Update frequency | Every 2 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Requires iOS | 12.2 — better | 13.0 |
| Further details — not scored | ||
| Size | 147 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Woehler Technik GmbH | John Healy |
In-app purchases
Flue Gas Analysis
No in-app purchases
JustCountdown
No in-app purchases









