Comparison

300 Main vs Metrivea

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

Head to head
About

300 Main

Manage your living experience with a suite of online services. Book amenities, submit service requests, communicate with management, and handle payments seamlessly. Focus on enjoying your life with convenient access to all your building's offerings.

Highlights
  • Amenity reservations
  • Service requests
  • Resident messaging
  • Online payments
  • Concierge services
Features
Read full description

Experience the convenience and luxury of living at 300 Main with our resident app. Enjoy a variety of online services including amenity reservations, service requests, messaging, payments, concierge services, and much more, allowing you to focus on the finer things in life.

About

Metrivea

Features
Read full description

Looking at a recipe and wondering "how many ml is 1 cup?" Checking the weather abroad and confused by "68°F?" Shopping online and unsure about "5.5 inches?" metrivea instantly solves these everyday questions. Simply enter a number. Results appear in real-time. No complicated steps. 17 categories with over 100 units: length, weight, temperature, volume, area, time, speed, data, pressure, energy, fuel economy, angle, frequency, power, illuminance, density, and flow rate. From daily use to professional needs. Save your frequent conversions to favorites for one-tap access. Conversion history is automatically saved, so you can recall previous calculations anytime. No internet required. Use it on a plane, underground, anywhere. Cooking, traveling, working, studying. Remove unit barriers everywhere.

Screenshots

300 Main4 screens
Metrivea4 screens

Verdict

The call

The clearest difference is in-app purchases: 300 Main at none against Metrivea's 1. 300 Main also leads on ads (none vs shown) and update cadence (fortnightly vs every 5 months). On price 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. Metrivea sells 1 one-off in-app purchase. 300 Main asks for nothing beyond the download.

UpkeepUpdate frequency

300 Main ships an update fortnightly, Metrivea every 5 months. The most recent releases landed on September 21, 2026 and September 10, 2026 respectively.

Scorecard4 real differences · 5 level
300 Main versus Metrivea: the parameters behind the verdict, then further details
Parameter300 MainMetrivea
PriceFreeFree
Rating5.0 (26 ratings) — better—
Number of ratings26 — better—
Update frequencyFortnightly — betterEvery 5 months
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhoneiPhone, iPad — better
Requires iOS16.6 — better18.6
Further details — not scored
Size266 MB5 MB
Age rating4+4+
DeveloperLivly IncYasuhiro Hamada

In-app purchases

None

300 Main

No in-app purchases

1 purchases

Metrivea

One-time1
  • 広告を削除$1.99

Questions

Is 300 Main free?
300 Main is free to download, with no in-app purchases.
Is Metrivea free?
Metrivea is free to download, with in-app purchases available.
Do 300 Main or Metrivea have ads?
Metrivea shows ads; 300 Main does not.
Which is updated more often, 300 Main or Metrivea?
300 Main ships an update fortnightly, and Metrivea every 5 months. Most recently, 300 Main was updated on September 21, 2026 and Metrivea on September 10, 2026.

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