Planetarium VR vs せみサウンド
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Planetarium VR
Explore the night sky with this virtual planetarium. Using your device's GPS and sensors, you can identify constellations and over 3000 stars. It supports VR Cardboard for an immersive experience and offers options for viewing the sky in different scenarios.
- View over 3000 stars
- Identify 88 constellations
- Uses GPS and advanced sensors
- Cardboard VR support
- Simulates diurnal motion
- Adjustable viewing locations
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have a view of Starry sky over a device "Planetarium VR" is using gps and advanced sensor. Only holding the device in the sky, you can see the constellations. "Planetarium VR" is "Cardboard" supported. "Planetarium VR" is equipped with a variety of options. -view the starry sky in the waterside. -Best in a dark place. ■function -stellar to be displayed more than 3000. -using gps and advanced sensor. -Display all of the stars and constellations, apply regardless of the Northern Hemisphere or the Southern Hemisphere. -Display 88 kinds of constellations -"Cardboard" supported. ■Option "Planetarium VR" is equipped with a variety of options. 【constellations】 It appears constellation near the starry sky that looked up. 【Diurnal motion】 advance the time in 15-second intervals. 【Waterside】 view the starry sky in the waterside. 【Night】 Best in a dark place. 【Location】 Using a GPS, calculate the starry sky and the constellation position of the current location.
せみサウンド
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「せみサウンド」は、日本の夏を彩る6種類のセミの鳴き声を楽しめるサウンドアプリです。 丸いボタンをタップするだけで鳴き声を再生。複数のセミを同時に鳴らして、自分だけの夏の森を作ることもできます。各セミのiボタンでは、特徴や見つけやすい時期、活動時間、観察のヒントを確認できます。 収録しているセミ ・アブラゼミ ・ミンミンゼミ ・クマゼミ ・ヒグラシ ・ツクツクボウシ ・ニイニイゼミ 無料版 ・最大2種類まで同時再生 ・各音源は1回再生 ・6種類すべての解説 ・バナー広告あり Pro版(買い切り) ・最大6種類まで同時再生 ・すべての音源を無限ループ ・自動ロック後もバックグラウンドで再生 ・広告を完全に非表示 ・購入の復元に対応 アカウント登録は不要です。
Screenshots
Verdict
The clearest difference is ads: Planetarium VR at none against せみサウンド's shown. せみサウンド's advantage is update cadence (every 2 weeks vs every 6 months). On price, in-app purchases, device support and iOS requirement 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
Both are free to download. Planetarium VR sells 1 one-off in-app purchase and せみサウンド sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Planetarium VR ships an update every 6 months, せみサウンド every 2 weeks. The most recent releases landed on October 24, 2026 and October 13, 2026 respectively.
| Parameter | Planetarium VR | せみサウンド |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (5 ratings) — better | — |
| Positive reviews | 41.2% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 6 months | Every 2 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 141 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | Taosoftware Inc. | ATSUSHI CHIBA |
In-app purchases
Planetarium VR
- Solar system planets$1.99
せみサウンド
- セミサウンド Pro$0.29
Questions
Is Planetarium VR free?
Is せみサウンド free?
Do Planetarium VR or せみサウンド have ads?
Which is updated more often, Planetarium VR or せみサウンド?
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