Smart vs HINATA
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Smart
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技術の概要 土壌の養分濃度に応じて発色する試験紙“みどりくん®”と色を読み取る機器“Pico”を組み合わせた土壌分析に利用するアプリです。 みどりくんⓇとは 東京農業大学によって開発された、簡易土壌診断試キットです。 土壌に精製水を加え、振とうした懸濁液に、試験紙を直接浸すと土壌養分の濃度に応じて呈色します。 Pico（簡易測色計）とは 親指サイズ（18×15×60mm / 16g）の測色計です。 実物から色を読み取り、iOS版のスマートフォン端末にインストールした専用のアプリにBluetooth 接続で情報を転送し、あらかじめ登録した色見本帳と照合することができます。
HINATA
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“Will this place get enough sunlight?” HINATA lets you check sun position, direction, and shadow trends on a map. Visualize how light changes by time and season, and quickly understand when and where sunlight reaches your location. Great for - Home/apartment viewing before visits - Balcony or gardening light checks - Photo/video location scouting Main features - Sun position and direction on map - Time slider to compare light changes - Summer/Winter solstice presets - Satellite and 3D map support Notes - Calculations are based on map center coordinates and selected time - Results are guidance only and not guaranteed real-world sunlight - Sun icon altitude is optimized for 2D view (3D focuses on direction) Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: Smart at none against HINATA's 2. Smart also leads on ads (none vs shown) and iOS requirement (9.0 vs 17). HINATA's advantage is update cadence (every 5 days vs every 3 weeks). 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
Both are free to download. HINATA sells 2 in-app purchases, starting at $2.99 per month. Smart asks for nothing beyond the download.
Smart ships an update every 3 weeks, HINATA every 5 days. The most recent releases landed on September 14, 2026 and September 19, 2026 respectively.
| Parameter | Smart | HINATA |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | Every 5 days — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 9.0 — better | 17 |
| Further details — not scored | ||
| Size | 51 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | Palette | Hiroto Endo |
In-app purchases
Smart
No in-app purchases
HINATA
- Proプラン（月）$2.991 Month
- Proプラン（年）$24.991 Year
