Comparison

【換気見える化】Logtta CO2モニター vs エアミル2B

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

Head to head
About

【換気見える化】Logtta CO2モニター

Features
Read full description

テレビ、新聞等、多数のメディアで紹介されました! 室内における換気の目安にご使用できるワイヤレスCO2センサーの二酸化炭素値を最大4台まで簡単に見ることができます。 二酸化炭素濃度をグリーン/イエロー/レッドで表示するため、換気の必要性が一目瞭然です。 また、同じLogttaシリーズの温湿度センサーを併用すると温湿度もワイヤレスで同時にモニターすることができます。 ワイヤレスCO2センサーは以下のものがご使用になれます。 https://www.amazon.co.jp/dp/B08NWB8YXK?ref=myi_title_dp

About

エアミル2B

Features
Read full description

1] Application Overview This is an application that displays the measured values and graphs of temperature, humidity, CO2 concentration, and PM2.5 measured by RATOC System's Bluetooth environment sensor RS-BTEVS1. [2] Features Displays values for temperature, humidity, CO2, and PM (1.0, 2.5, 4.0, 10.0) Displays measurement data in a graph Save measurement data in CSV file

Screenshots

【換気見える化】Logtta CO2モニター1 screens
エアミル2B2 screens

Verdict

The call

The clearest difference is update cadence: 【換気見える化】Logtta CO2モニター at fortnightly against エアミル2B's every 6 months. 【換気見える化】Logtta CO2モニター also leads on iOS requirement (9.0 vs 15.0). 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

【換気見える化】Logtta CO2モニター ships an update fortnightly, エアミル2B every 6 months. The most recent releases landed on September 8, 2026 and September 18, 2026 respectively.

Scorecard2 real differences · 4 level
【換気見える化】Logtta CO2モニター versus エアミル2B: the parameters behind the verdict, then further details
Parameter【換気見える化】Logtta CO2モニターエアミル2B
PriceFreeFree
Update frequencyFortnightly — betterEvery 6 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 — better15.0
Further details — not scored
Size56 MB22 MB
Age rating4+4+
DeveloperStep One LimitedRATOC Systems, Inc.

In-app purchases

None

【換気見える化】Logtta CO2モニター

No in-app purchases

None

エアミル2B

No in-app purchases

Questions

Is 【換気見える化】Logtta CO2モニター free?
【換気見える化】Logtta CO2モニター is free to download, with no in-app purchases.
Is エアミル2B free?
エアミル2B is free to download, with no in-app purchases.
Do 【換気見える化】Logtta CO2モニター or エアミル2B have ads?
Neither 【換気見える化】Logtta CO2モニター nor エアミル2B shows ads.
Which is updated more often, 【換気見える化】Logtta CO2モニター or エアミル2B?
【換気見える化】Logtta CO2モニター ships an update fortnightly, and エアミル2B every 6 months. Most recently, 【換気見える化】Logtta CO2モニター was updated on September 8, 2026 and エアミル2B on September 18, 2026.

Other comparisons