Red Sheet Camera Downloads & RevenueRed Sheet Camera: Study Notes · App Store
Not in any tracked top chart right now.
Updated 10 Nov 2026 · rankings refresh through the day
DeveloperRAINBOW TREE LLC
CategoryEducation
PriceFree
Released
Rating★ 4.2 (6)
Version1.1.1
Age rating4+
First seen by us
12 Oct 2026
12 Oct 2026Installs (est.)500+ worldwide
Red Sheet Camera: Study Notes update history & changes
Last change · 10 events since 13 Jul 2026Full timeline ↓📦Updated to version 1.2.0🆕Its developer released another app: 力士育成 相撲部屋 ～親方になりました～✏️New screenshots📦Updated to version 1.1.1🆕First spotted by AppInsider
Full timeline · 10 events
- 📦Red Sheet Camera: Study Notes updated to version 1.2.0いつもご利用いただき、ありがとうございます。
今回のアップデートでは、より快適にお使いいただけるよう、細かなところまで見直して改善を重ねました。目立たない部分にも手を入れています。
お気づきの点がありましたら、アプリ内のお問い合わせからお聞かせください。いただいたお声が、次の改善のもとになります。 - 🆕Red Sheet Camera: Study Notes: its developer released another app: 力士育成 相撲部屋 ～親方になりました～
- ✏️Red Sheet Camera: Study Notes: new screenshots5 screenshots (was 5) · JP
- 📦Red Sheet Camera: Study Notes updated to version 1.1.1いつもご利用いただき、ありがとうございます。
今回のアップデートでは、より快適にお使いいただけるよう、細かなところまで見直して改善を重ねました。目立たない部分にも手を入れています。
お気づきの点がありましたら、アプリ内のお問い合わせからお聞かせください。いただいたお声が、次の改善のもとになります。 - 🆕Red Sheet Camera: Study Notes first spotted by AppInsiderJapan (found via developer)
- 🆕Red Sheet Camera: Study Notes: its developer released another app: BP Book: Blood Pressure Log
- 🆕Red Sheet Camera: Study Notes: its developer released another app: かんたんサロンカルテ - 美容室・エステの顧客管理と売上
- 🆕Red Sheet Camera: Study Notes: its developer released another app: かんたん検査値ノート 血液検査の記録とグラフ
- 📦Red Sheet Camera: Study Notes version 1.1.0After a round, you can now tap the parts you could not recall.
With Pro they are remembered, so next time you can review just those parts, and see how much you recalled over time.
If you already bought Remove Ads, you get all of Pro at no extra cost.… more - 🆕Red Sheet Camera: Study Notes released on the App Store
Collected from the stores by AppInsider since we first spotted the app. Dates are when we saw each change.
Rating
4.2 ★
6 ratings
Measured
Red Sheet Camera: Study Notes on the App Store
App details
App ID
6790114724
Publisher
RAINBOW TREE LLC
On the store since
Jul 2026
Under a year
Minimum OS
iOS 17.0+
iPhone XS and later
Devices
iPhone · iPad
Content rating
4+
Languages
2
EN JA
Size
17 MB
Also listed in
Productivity
Red Sheet Camera: Study Notes downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Apple publishes no download counts. App Store downloads come from chart positions and daily rating growth per country, calibrated on Google Play install counts; lifetime installs from ratings worldwide × installs per rating. Confidence is the chance the real number is within half to double ours.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Not charting right now. | ||
Ratings
App Store, worldwide.
Rating
4.2 ★
6 ratings
Measured
Ratings
6
Measured
Review momentum
ⓘ How we measure thisNew ratings a week
under 1
4-week average
Lifetime rating
4.2★
recent stars not readable yet: new ratings are a tiny share of the total
Review momentum
48/100
faster than 47% of Education apps
Review momentum (0-100) blends how fast the app collects ratings compared with other apps in its category (60%), whether that pace is speeding up (25%) and what recent raters give it (15%; recent stars well below lifetime pull it down). Ratings counts are read daily. A jump usually means a launch, a feature, ads or a new review prompt.
About Red Sheet Camera: Study Notes
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.
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.
Latest updates
1.2.0
いつもご利用いただき、ありがとうございます。
今回のアップデートでは、より快適にお使いいただけるよう、細かなところまで見直して改善を重ねました。目立たない部分にも手を入れています。
お気づきの点がありましたら、アプリ内のお問い合わせからお聞かせください。いただいたお声が、次の改善のもとになります。
1.1.1
いつもご利用いただき、ありがとうございます。
今回のアップデートでは、より快適にお使いいただけるよう、細かなところまで見直して改善を重ねました。目立たない部分にも手を入れています。
お気づきの点がありましたら、アプリ内のお問い合わせからお聞かせください。いただいたお声が、次の改善のもとになります。
1.1.0
After a round, you can now tap the parts you could not recall.
With Pro they are remembered, so next time you can review just those parts, and see how much you recalled over time.
If you already bought Remove Ads, you get all of Pro at no extra cost.
Store changes
What Red Sheet Camera: Study Notes changed on its store page: name, icon, screenshots, price, size, languages, requirements.
New screenshots
5 screenshots (was 5)
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