Comparison

Met Tech Expo vs CalypsoSpray

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

Head to head
About

Met Tech Expo

Features
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The Meteorological Technology World Expo app is your essential guide to the world's leading event for meteorological, hydrometeorological and environmental monitoring technologies. Explore the exhibitor list, browse the conference programme, plan your visit, and stay up to date with the latest sessions, speakers, networking opportunities and event announcements - all in one place.

About

CalypsoSpray

Features
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CalypsoSpray helps farmers, agronomists, and spraying professionals make better decisions before and during field applications. The app connects to compatible Calypso sensors via Bluetooth and displays real-time environmental data, including wind, temperature, and humidity. This helps users assess whether conditions are suitable for spraying and reduce the risk of drift, product loss, and applications outside recommended ranges. Designed for field use, CalypsoSpray provides a clear, fast, and easy-to-read interface for iPhone and iPad. Key features: - Real-time readings from compatible Calypso sensors. - Wind, temperature, and humidity monitoring. - Clear indicators to assess spraying conditions. - Simple interface designed for outdoor agricultural work. - Direct Bluetooth connection to the sensor. - Compatible with iPhone and iPad. CalypsoSpray is designed to support field decision-making, but it does not replace local regulations, crop protection product instructions, or the professional judgment of the applicator.

Screenshots

Met Tech Expo4 screens
CalypsoSpray4 screens

Verdict

The call

The clearest difference is update cadence: Met Tech Expo at weekly against CalypsoSpray's every 6 weeks. CalypsoSpray's advantage is device support (3 vs 1) and iOS requirement (14.0 vs 17.4). On price, ads and in-app purchases there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

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

UpkeepUpdate frequency

Met Tech Expo ships an update weekly, CalypsoSpray every 6 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

Scorecard3 real differences ยท 3 level
Met Tech Expo versus CalypsoSpray: the parameters behind the verdict, then further details
ParameterMet Tech ExpoCalypsoSpray
PriceFreeFree
Update frequencyWeekly โ€” betterEvery 6 weeks
AdsNoNo
In-app purchasesNoNo
DevicesiPhoneiPhone, iPad, iPod โ€” better
Requires iOS17.414.0 โ€” better
Further details โ€” not scored
Size147 MB18 MB
Age rating17+4+
DeveloperUKi Media & EventsCalypso Instruments

In-app purchases

None

Met Tech Expo

No in-app purchases

None

CalypsoSpray

No in-app purchases

Questions

Is Met Tech Expo free?
Met Tech Expo is free to download, with no in-app purchases.
Is CalypsoSpray free?
CalypsoSpray is free to download, with no in-app purchases.
Do Met Tech Expo or CalypsoSpray have ads?
Neither Met Tech Expo nor CalypsoSpray shows ads.
Which is updated more often, Met Tech Expo or CalypsoSpray?
Met Tech Expo ships an update weekly, and CalypsoSpray every 6 weeks. Most recently, Met Tech Expo was updated on October 30, 2026 and CalypsoSpray on October 31, 2026.

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