GFS vs サイトラ！英文速読特訓
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GFS
Learn about history, finance, economics, and asset management through engaging videos. Access educational content 24/7, anytime, anywhere, and rewatch lessons as many times as you need.
- Learn history, finance, and economics
- Study asset management and investment
- Access video lessons 24/7
- Rewatch lessons unlimited times
- Learn anytime, anywhere
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GFSとは、お金を武器にするためのお金の学校です。 歴史、金融、経済、資産運用（投資）の全てが学べます。 好きな動画を好きなだけ、24時間いつでもどこでも何度でも学習可能です。
サイトラ！英文速読特訓
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英語の語順感覚を身につけて英語脳を鍛えられるアプリです。 サイトラ！とは英語の速読力UPに有効な「サイトトランスレーション」の略。 これは英文を意味のカタマリに分けて前から後ろに戻り読みをせずに読んでいく方法です。 英文を読む際、私たちは何度も同じ文を戻り読みしてしまいますよね。 サイトトランスレーションを使うと、この時間の無駄を省いて、速読につなげることができます。
Screenshots
Verdict
The clearest difference is review sentiment: サイトラ！英文速読特訓 at 100% against GFS's 21%. GFS's advantage is in-app purchases (none vs 3). On price, update cadence, 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
Both are free to download. サイトラ！英文速読特訓 sells 3 in-app purchases, starting at $7.99 per month. GFS asks for nothing beyond the download.
Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.
| Parameter | GFS | サイトラ！英文速読特訓 |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (29 ratings) — better |
| Positive reviews | 21.4% of reviews | 100.0% of reviews — better |
| Number of ratings | — | 29 — better |
| Update frequency | Every 3 months | Every 3 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 6 MB | 82 MB |
| Age rating | 4+ | 4+ |
| Developer | FREE LIFE CONSULTING, K.K. | Junki Hadano |
Customer experience
GFS
サイトラ！英文速読特訓
In-app purchases
GFS
No in-app purchases
サイトラ！英文速読特訓
- サイトラ！PRO 1ヶ月プラン$7.991 Month
- サイトラ！PRO 3ヶ月プラン$19.993 Months
- サイトラ！PRO 6ヶ月プラン$24.996 Months
