Comparison

Kalc vs Enviromates.earth

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

Head to head
About

Kalc

This utility app offers a unit converter, calculator, and world clock. Its user-friendly interface is designed for quick access to everyday calculations and conversions.

Highlights
  • Unit converter
  • Calculator
  • World clock
  • Simple UI
  • Quick results
Features
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Unit Converter, Calculator, and World Clock. The simple & clean UI to get the results you need for everyday use as quickly as possible.

About

Enviromates.earth

Features
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Welcome to Enviromates.earth! When it comes to climate change, we need simultaneous and sustained global action across a wide range of environmental challenges and at all levels of society. Worker Bees: • Browse quickly and securely while earning passive income (nectar) to support your favourite environmental projects • Access the personal assistant to discover environmentally friendlier alternatives and enjoy exclusive instant rewards and eco-cashback (nectar) from brands • Stay updated about the direct impact on the projects you support Environmental Creators (Hives): • Whether you have an existing or soon-to-launch environmental project, Enviromates provides a single easy to use platform to manage everything • Invite team members, mentors, or brands, foster collaboration, crowdfund, and keep your supporters informed • Enviromates actively promotes your project within the community, raising awareness for free • Listing your project is quick and straightforward making it accessible to all • Consider becoming a mentor and sharing knowledge and experience to accelerate positive change globally Social Media/Greenfluencers (Queen Bee :) ): • Share the love and inspire positive actions among your followers to help support environmental projects that matter to you • Build new relationships with brands and a new passive income directly from brands Brands and Organizations (Flowers): • Win new customers while directly contributing to repairing our repair and maximise your impact • Join brands worldwide in rewarding customers, knowing that their spend supports incredible environmental projects and that you are helping to shape consumer behaviour • Add your products to the personal shopping assistant and enhance your visibility over competitors and to encourage sustainable choices • Explore consent-based Winkback, Reachback, or Survey Ads that consumers love because it enables them to directly support environmental initiatives • Stand out in Google search results as an environmentally conscious brand • Surprise and delight your customers with optional instant hearts • Receive reports on advertising success and learn which projects your organization supports through customer engagement Enviromates has planted the seed, but its growth requires love and support. We invite you to join us on this journey. Every step makes us stronger, and only our united energy will lead to success. Let’s repair our planet from the grassroots up! Let’s do this!

Screenshots

Kalc4 screens
Enviromates.earth4 screens

Verdict

The call

The clearest difference is update cadence: Kalc at every 9 days against Enviromates.earth's every 5 weeks. Kalc also leads on iOS requirement (13.4 vs 16.4). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Kalc ships an update every 9 days, Enviromates.earth every 5 weeks. The most recent releases landed on November 1, 2026 and November 7, 2026 respectively.

Scorecard2 real differences · 8 level
Kalc versus Enviromates.earth: the parameters behind the verdict, then further details
ParameterKalcEnviromates.earth
PriceFreeFree
Rating4.7 (3 ratings) — better—
Positive reviews96.2% of reviews—
Number of ratings3 — better—
Update frequencyEvery 9 days — betterEvery 5 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad
Requires iOS13.4 — better16.4
Further details — not scored
Size24 MB94 MB
Age rating4+17+
DeveloperYUTA OKAJIMAYamu Ltd

In-app purchases

None

Kalc

No in-app purchases

None

Enviromates.earth

No in-app purchases

Questions

Is Kalc free?
Kalc is free to download, with no in-app purchases.
Is Enviromates.earth free?
Enviromates.earth is free to download, with no in-app purchases.
Do Kalc or Enviromates.earth have ads?
Neither Kalc nor Enviromates.earth shows ads.
Which is updated more often, Kalc or Enviromates.earth?
Kalc ships an update every 9 days, and Enviromates.earth every 5 weeks. Most recently, Kalc was updated on November 1, 2026 and Enviromates.earth on November 7, 2026.

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