iStellar vs 学生ウォーカー
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iStellar
Explore the cosmos with a realistic planetarium experience. View the night sky from any location and time, with detailed celestial bodies and dynamic simulations. Intuitive multi-touch controls make navigation effortless.
- Real-time starry sky simulation
- Adjustable location and time
- Detailed celestial object data
- Intuitive multi-touch controls
- Solar eclipse simulation
- Object search function
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iStellar is a planetarium App that shows the starry sky seen from the place and time of your choice. It is optimized for Multi-Touch control, allowing you to operate intuitively; drag to move the star chart, pinch to zoom in and out, and so on. The star chart can be rotated from portrait to landscape, and you can even fix the location via GPS (only for iPhone 3G). FEATURES - Over 16,000 star data, with name for 254 stars - Twinkles like actual stars - Simulates distortion (atmospheric refraction and extinction) at low altitude - Displays the Sun, daylight, twilight, the Moon (with shape and phase), 8 planets, Pluto - Shows name, line and picture for all constellations - Milky Way with real tone - Plots Messier objects and their names - Comets with accurate position and magnitude. Data can be downloaded whenever available - Meteor Shower Radiants - Solar eclipse simulation with high accuracy - Adjustable moonlight and light polution - Landscape and azimuth / direction grid - Beautiful animation (real-time, adjusted time, reversal) - Simulates every second between 1 Jan 1900 to 31 Dec 2099 - Switches screen according to the device's orientation - Zoom by pinching(3 to 180 degrees) - Easy moving through the sky by dragging, and centering by double-tap - Object Search function - Free choice of location and time zone, instant setting with GPS
学生ウォーカー
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◆◇◆◇◆◇◆◇◆◇◆◇ 受験生・新入生向けサイト”学生ウォーカー”のアプリ版です。 東京・首都圏の大学・専門学校の進学情報から、お部屋探しまでを完全サポート! ◆◇◆◇◆◇◆◇◆◇◆◇ ▼機能 - 東京・首都圏にある大学・専門学校別に、学部学科情報、奨学金情報など、受験や進学に役立つデータを閲覧できます。 - 学校までの通学時間でお部屋探しが可能です。もちろん、路線や駅、希望条件からでもお部屋を検索できます。 - 学生が選ぶお部屋ランキングや、学生との交流会レポートなど、学校ごとのコンテンツも充実! ▼価格 アプリ本体はもちろん、閲覧・お問い合わせまですべて無料でご利用頂けます。 ※アプリのダウンロードや使用時にはインターネット接続が必要となります。その際の通信料はお客様のご負担となります。
Screenshots
Verdict
The clearest difference is price: 学生ウォーカー at Free against iStellar's $3.99. iStellar's advantage is ads (none vs shown) and update cadence (every 3 months vs every 12 months). On 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
学生ウォーカー is free to download; iStellar costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
iStellar ships an update every 3 months, 学生ウォーカー every 12 months. The most recent releases landed on November 13, 2026 and November 6, 2026 respectively.
| Parameter | iStellar | 学生ウォーカー |
|---|---|---|
| Price | $3.99 | Free — better |
| Rating | 4.0 (1 ratings) — better | — |
| Positive reviews | 49.3% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 months — better | Every 12 months |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.4 | 12.0 — better |
| Further details — not scored | ||
| Size | 37 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | AstroArts Inc. | タウン情報サービス |
In-app purchases
iStellar
No in-app purchases
学生ウォーカー
No in-app purchases









