Comparison

気象天気図 vs 週間天気予報 Sunny

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

Head to head
About

気象天気図

Features
Read full description

このアプリは、気象天気図を iPhone/iPad でお手軽に見るアプリです。 現在は、気象庁の以下の最新天気図等を見ることができます。 ○天気図(日本周辺域/アジア太平洋域、カラー/白黒) ・実況天気図 ・24時間予想天気図 ・48時間予想天気図 ・天気図(日本周辺域)と気象衛星画像の重ね合わせ ○雨雲の動き(全国・現在地・地域選択) ・降水(線状降水帯) ・雷 ・竜巻発生確度 ○キキクル(全国・現在地) ・土砂 ・大雨 ・浸水 ・洪水 ○天気予報(全国・現在地・地域選択) ・天気分布予報、今日_明日_明後日の天気予報、最高・最低気温 ○アメダス(全国・現在地・地域選択) ・降水量(10分間、1時間、3時間、24時間)、風向・風速、気温、日照時間、積雪深、降雪量(6時間、12時間)、湿度 ○推計気象分布(全国・現在地) ・天気、気温、日照時間 ○気象衛星 ・可視・赤外・水蒸気・トゥルーカラー・雲頂強調 ○台風情報 ・台風経路図(気象衛星画像と重ね合わせ) ○数値予報 ・数値予報天気図(PDF形式) ・数値予報資料(JMH) トップメニューから「雨雲の動き」「キキクル」「天気予報」「アメダス」「推計気象分布」「気象衛星」→「現在地」を選択した場合、現在地周辺の拡大図を表示するため、現在地(位置情報)を取得します。(海外からのアクセスなど都道府県が特定できない場合は、全国の図を表示します) なお、気象庁ホームページの変更などにより突然閲覧できなくなることがあります。

About

週間天気予報 Sunny

This weather app provides essential daily weather and pollen forecasts on a single screen. It offers high visibility, detailed pollen information, and supports various planning needs from daily outfits to leisure activities. It's designed for ease of use and comprehensive weather insights.

Highlights
  • Single-screen weather and pollen forecast
  • Detailed pollen dispersion status
  • Daily outfit and leisure planning support
  • Location-based area setting
  • High visibility design
Features
Read full description

Condense the information you want to know onto one screen. "Weekly Weather Forecast Sunny" is a weather app that allows you to smartly check daily essential weather and pollen forecasts on a single screen. Based on the latest data, it accurately captures changes in weather. No complex operations are required; simply set your area using location information for easy use. [3 Points Why Sunny is Chosen] High visibility completed on one screen: We adopted a design that allows you to see the weekly weather, pollen information, and weather overview at a glance. There is no need to switch screens multiple times. You can quickly check the temperature and weather, making it perfect for your busy morning routine. Thorough hay fever countermeasure functions: For those who want to "check pollen first," you can display pollen information at the top of the settings. By selecting "details" from the list, you can view the pollen dispersion status in detail, supporting thorough daily pollen countermeasures. From choosing daily outfits to planning leisure activities where fishing weather is a concern, it provides weather information that can be widely utilized, from business travel. [Recommended for these people] Those who are concerned about pollen dispersal and want to take thorough measures before going out. Those who want a free weather forecast app that balances ease of use and information richness. Those who want to simply view specialized weather (whether) information. This is the definitive app for those who want to value both weather and pollen. Please take advantage of "Weekly Weather Forecast Sunny" to support your comfortable daily life! Terms of Use (Apple Standard EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://nilcraft.jp/privacy_policy

Screenshots

気象天気図4 screens
週間天気予報 Sunny4 screens

Verdict

The call

The clearest difference is review sentiment: 気象天気図 at 81% against 週間天気予報 Sunny's 33%. 気象天気図 also leads on rating (5.0 vs 3.0) and in-app purchases (none vs 2). On price, ratings volume, ads 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. 週間天気予報 Sunny sells 2 in-app purchases, starting at $8.99 per 7 days. 気象天気図 asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

気象天気図 holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews point the same way: 81% of 気象天気図's written reviews are positive against 33% of 週間天気予報 Sunny's.

UpkeepUpdate frequency

気象天気図 ships an update every 3 weeks, 週間天気予報 Sunny every 3 months. The most recent releases landed on November 1, 2026 and November 6, 2026 respectively.

Scorecard4 real differences · 6 level
気象天気図 versus 週間天気予報 Sunny: the parameters behind the verdict, then further details
Parameter気象天気図週間天気予報 Sunny
PriceFreeFree
Rating5.0 (2 ratings) — better3.0 (1 ratings)
Positive reviews81.0% of reviews — better33.3% of reviews
Number of ratings2 — better1
Update frequencyEvery 3 weeks — betterEvery 3 months
AdsYesYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.017.0
Further details — not scored
Size14 MB98 MB
Age rating4+4+
DeveloperMets R&D CenterNilCraft Inc.

Customer experience

気象天気図

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews21 reviews
Positive81.0%
Neutral4.8%
Negative14.3%

週間天気予報 Sunny

All ratings1 ratings
Positive0.0%
Neutral100.0%
Negative0.0%
Written reviews9 reviews
Positive33.3%
Neutral33.3%
Negative33.3%

In-app purchases

None

気象天気図

No in-app purchases

2 purchases

週間天気予報 Sunny

Subscriptions2
  • Sunny プレミアム(1週間)7 Days trial$8.997 Days
  • Sunny プレミアム(1か月)7 Days trial$31.991 Month

Questions

Is 気象天気図 free?
気象天気図 is free to download, with no in-app purchases.
Is 週間天気予報 Sunny free?
週間天気予報 Sunny is free to download, with in-app purchases available.
Which has better reviews, 気象天気図 or 週間天気予報 Sunny?
気象天気図 is rated higher. 気象天気図 averages 5.0 out of 5 from 2 ratings, while 週間天気予報 Sunny averages 3.0 from 1 ratings.
Do 気象天気図 or 週間天気予報 Sunny have ads?
Both 気象天気図 and 週間天気予報 Sunny show ads.
Which is updated more often, 気象天気図 or 週間天気予報 Sunny?
気象天気図 ships an update every 3 weeks, and 週間天気予報 Sunny every 3 months. Most recently, 気象天気図 was updated on November 1, 2026 and 週間天気予報 Sunny on November 6, 2026.

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