太陽系を作ろう vs BTFields
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
太陽系を作ろう
Merge planets by flicking them together to create new ones. Aim to create the Sun in this engaging puzzle game. It's a fun and addictive brain-training experience that might keep you up at night!
- Planet merging gameplay
- Flick controls
- Brain-training puzzles
- Goal: Create the Sun
- Free to play
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眼を見張るような脅威的な面白さ 【無料ゲーム】【タダゲーム】 ■■遊び方■■ 惑星をフリックして、動かし 同じ惑星と衝突させると、新しい惑星が完成するよ！ 目指せ太陽！ ■■制作者の感想■■ 面白すぎて夜も寝られない！！ 頭を使うボードゲームで、ついつい暇な時間に起動して遊んでしまう驚異的な 面白さ！睡眠不足注意^ ^
BTFields
Experience three unique strategy game modes: tactical hex-based combat, deep WWII turn-based campaigns, and sci-fi planetary warfare. Utilize diverse units and strategic planning to achieve victory in varied scenarios.
- Hex-based tactical combat
- WWII turn-based campaigns
- Sci-fi planetary warfare
- Unit command and objectives
- Supply logistics and weather effects
- Resource management
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BTFields delivers three distinct battle strategy experiences: - Mission-Based Tactical Combat: Command multiple units on a hex-based map to complete diverse objectives—from defending key positions to eliminating enemy forces. Inspired by Battle Isle and based on Crimson Fields. - WWII Turn-Based Strategy: Engage in historically inspired campaigns featuring entrenchment, defensive fire, surprise encounters, supply logistics, weather effects, reinforcements, and more. Designed for tactical depth and strategic planning. Inspired by Panzer General and based on lGeneral. - Sci-Fi Planetary Warfare: Assemble your forces to secure the newly discovered planet Icarus, rich in minerals and alien artifacts. Inspired by Command & Conquer and based on Hostile Takeover.
Screenshots
Verdict
The clearest difference is update cadence: BTFields at every 2 months against 太陽系を作ろう's every 7 months. 太陽系を作ろう's advantage is iOS requirement (11.0 vs 15.0). On price, review sentiment, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
太陽系を作ろう ships an update every 7 months, BTFields every 2 months. The most recent releases landed on October 5, 2026 and October 8, 2026 respectively.
| Parameter | 太陽系を作ろう | BTFields |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.0 (3 ratings) — better |
| Positive reviews | 75.0% of reviews | 78.6% of reviews — better |
| Number of ratings | — | 3 — better |
| Update frequency | Every 7 months | Every 2 months — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Ad-supported | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 19 MB | 80 MB |
| Age rating | 4+ | 4+ |
| Developer | Isamu Sakashita | Jianfeng Wu |
Customer experience
太陽系を作ろう
BTFields
In-app purchases
太陽系を作ろう
No in-app purchases
BTFields
No in-app purchases
Questions
Is 太陽系を作ろう free?
Is BTFields free?
Do 太陽系を作ろう or BTFields have ads?
Which is updated more often, 太陽系を作ろう or BTFields?
Other comparisons
