フォレスタコーチforそら塾 vs Red Sheet Camera
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
フォレスタコーチforそら塾
Read full descriptionHide full description
フォレスタコーチforそら塾は、そら塾の生徒向けの、家庭学習用アプリです。 ※ 本アプリは、そら塾の生徒のうち、フォレスタコーチforそら塾の利用対象者のみが利用できます。
Red Sheet Camera
Read full descriptionHide full description
Turn your everyday notes into flashcards — just by taking a photo. Red Sheet Camera hides the answers you wrote in red or orange pen (and green highlighter), so you can quiz yourself just like a physical red memorization sheet. HOW IT WORKS — 3 EASY STEPS 1. Scan your notes or textbook (auto-straightened) 2. Red-pen answers get hidden by the sheet 3. Tap or slide the sheet to reveal the answers FEATURES - A real red sheet, digitized The same idea as a physical red sheet: red and orange pen disappear, while black and blue text stays readable. - Auto-Hide Tap "Auto-Hide" to detect red/orange pen and green highlighter and cover them automatically. Fine-tune the hidden areas by tap or drag. - Organize by subject Keep a separate notebook for each subject — biology, history, English, math and more. - Fully on-device Everything works offline, and your photos stay on your device. Perfect for exam prep, vocabulary, dates, formulas and anything you need to memorize. PRO (ONE-TIME PURCHASE) Scanning, hiding and studying with the red sheet stay free, always. With Pro: - The parts you could not recall are remembered - Next time, review only those parts - See how many rounds you have done and how much you recalled - No ads One payment. Restore it for free after changing or reinstalling your device.
Screenshots
Verdict
The clearest difference is in-app purchases: フォレスタコーチforそら塾 at none against Red Sheet Camera's 1. フォレスタコーチforそら塾 also leads on ads (none vs shown) and device support (3 vs 1). Red Sheet Camera's advantage is update cadence (weekly vs every 2 months). On price 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. Red Sheet Camera sells 1 one-off in-app purchase. フォレスタコーチforそら塾 asks for nothing beyond the download.
フォレスタコーチforそら塾 ships an update every 2 months, Red Sheet Camera weekly. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.
| Parameter | フォレスタコーチforそら塾 | Red Sheet Camera |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Weekly — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 10.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 33 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | SPRIX Inc. | RAINBOW TREE LLC |
In-app purchases
フォレスタコーチforそら塾
No in-app purchases
Red Sheet Camera
- 広告を削除$2.99
Questions
Is フォレスタコーチforそら塾 free?
Is Red Sheet Camera free?
Do フォレスタコーチforそら塾 or Red Sheet Camera have ads?
Which is updated more often, フォレスタコーチforそら塾 or Red Sheet Camera?
Other comparisons















