Comparison

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.

Head to head
About

フォレスタコーチforそら塾

Features
Read 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。

About

Red Sheet Camera

Features
Read 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

フォレスタコーチforそら塾3 screens
Red Sheet Camera4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard5 real differences · 1 level
フォレスタコーチforそら塾 versus Red Sheet Camera: the parameters behind the verdict, then further details
Parameterフォレスタコーチforそら塾Red Sheet Camera
PriceFreeFree
Update frequencyEvery 2 monthsWeekly — better
AdsNo — betterYes
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS10.0 — better17.0
Further details — not scored
Size33 MB16 MB
Age rating4+4+
DeveloperSPRIX Inc.RAINBOW TREE LLC

In-app purchases

None

フォレスタコーチforそら塾

No in-app purchases

1 purchases

Red Sheet Camera

One-time1
  • 広告を削除$2.99

Questions

Is フォレスタコーチforそら塾 free?
フォレスタコーチforそら塾 is free to download, with no in-app purchases.
Is Red Sheet Camera free?
Red Sheet Camera is free to download, with in-app purchases available.
Do フォレスタコーチforそら塾 or Red Sheet Camera have ads?
Red Sheet Camera shows ads; フォレスタコーチforそら塾 does not.
Which is updated more often, フォレスタコーチforそら塾 or Red Sheet Camera?
フォレスタコーチforそら塾 ships an update every 2 months, and Red Sheet Camera weekly. Most recently, フォレスタコーチforそら塾 was updated on October 25, 2026 and Red Sheet Camera on October 28, 2026.

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