---
title: "SmartRedFilter - Reviews, Revenue and Downloads in Brunei | Apple App Store"
description: "Turn your smartphone into a digital red study sheet!  Point the camera at your textbook and red text disappears instantly, just like the classic red transparent sheet.  • Key features: • Automatic det"
---

# SmartRedFilter — Brunei
> Study Smarter with Camera

![SmartRedFilter App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/6b/83/66/6b836614-9e61-e21b-db22-c5e4eb4fb8f9/AppIcon-0-0-1x_U007emarketing-0-8-0-85-220.png/434x0w.png)

**Developer:** [Mitsuhiro Hashimoto](https://apptail.io/developer/mitsuhiro-hashimoto-MQxb)
**Category:** Education
**Rating:** N/A (0 ratings)
**Price:** Free
**Bundle ID:** info.adolfoi.smartredfilter
**Store:** Apple App Store
**Country:** Brunei
**Version:** 1.0.0 (released 2026-05-28)
**Original Release:** 2026-05-28
**Languages:** English, Arabic, Bulgarian, Catalan, Croatian, Czech, Danish, Dutch, Finnish, French, German, Greek (modern), Hebrew (modern), Hindi, Hungarian, Indonesian, Italian, Japanese, Korean, Malay, Norwegian Bokmål, Polish, Portuguese, Romanian, Russian, Chinese, Slovak, Spanish, Swedish, Thai, Turkish, Ukrainian, Vietnamese

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/bn/app/app/id6771782559)
**AppTail Page:** [https://apptail.io/app/smartredfilter-MNkA/brunei](https://apptail.io/app/smartredfilter-MNkA/brunei)

## SmartRedFilter Description
Turn your smartphone into a digital red study sheet!

Point the camera at your textbook and red text disappears instantly, just like the classic red transparent sheet.

• Key features:
• Automatic detection and hiding of red text
• Tap the screen to show or hide answers
• Adjust filter intensity for your study material
• On-device processing — camera does not send data
• Works with books, notes and revision cards

• Pro:
• Hide other colours (orange, pink, green, blue)
• Save processed screenshots
• No adverts

Study smarter wherever you are.

## SmartRedFilter Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/d8/91/1f/d8911f41-431f-3026-ea55-6156d8293df1/SS_01.png/1242x2688.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/ac/70/16/ac701685-fc88-95e2-37f5-5e9a4515e558/SS_02.png/1242x2688.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/8a/65/ef/8a65effb-30de-5e3c-a3fa-b1a9018e0fd8/SS_03.png/1242x2688.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/8a/b5/84/8ab5840b-1cd7-3953-5358-8fb08873eed4/SS_04.png/1242x2688.png)



## SmartRedFilter In-App Purchases
| Item | Price |
|------|-------|
| Pro | USD 1.99 |



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## SmartRedFilter Available In
- [United Arab Emirates](https://apptail.io/app/smartredfilter-MNkA/united-arab-emirates)
- [Armenia](https://apptail.io/app/smartredfilter-MNkA/armenia)
- [Angola](https://apptail.io/app/smartredfilter-MNkA/angola)
- [Argentina](https://apptail.io/app/smartredfilter-MNkA/argentina)
- [Austria](https://apptail.io/app/smartredfilter-MNkA/austria)
- [Australia](https://apptail.io/app/smartredfilter-MNkA/australia)
- [Belgium](https://apptail.io/app/smartredfilter-MNkA/belgium)
- [Bulgaria](https://apptail.io/app/smartredfilter-MNkA/bulgaria)
- [Bahrain](https://apptail.io/app/smartredfilter-MNkA/bahrain)
- [Bermuda](https://apptail.io/app/smartredfilter-MNkA/bermuda)
- [Brunei](https://apptail.io/app/smartredfilter-MNkA/brunei)
- [Brazil](https://apptail.io/app/smartredfilter-MNkA/brazil)
- [Belarus](https://apptail.io/app/smartredfilter-MNkA/belarus)
- [Belize](https://apptail.io/app/smartredfilter-MNkA/belize)
- [Canada](https://apptail.io/app/smartredfilter-MNkA/canada)
- [Switzerland](https://apptail.io/app/smartredfilter-MNkA/switzerland)
- [Chile](https://apptail.io/app/smartredfilter-MNkA/chile)
- [China](https://apptail.io/app/smartredfilter-MNkA/china)
- [Colombia](https://apptail.io/app/smartredfilter-MNkA/colombia)
- [Cyprus](https://apptail.io/app/smartredfilter-MNkA/cyprus)
- [Germany](https://apptail.io/app/smartredfilter-MNkA/germany)
- [Denmark](https://apptail.io/app/smartredfilter-MNkA/denmark)
- [Dominican Republic](https://apptail.io/app/smartredfilter-MNkA/dominican-republic)
- [Algeria](https://apptail.io/app/smartredfilter-MNkA/algeria)
- [Ecuador](https://apptail.io/app/smartredfilter-MNkA/ecuador)
- [Estonia](https://apptail.io/app/smartredfilter-MNkA/estonia)
- [Spain](https://apptail.io/app/smartredfilter-MNkA/spain)
- [Finland](https://apptail.io/app/smartredfilter-MNkA/finland)
- [France](https://apptail.io/app/smartredfilter-MNkA/france)
- [Grenada](https://apptail.io/app/smartredfilter-MNkA/grenada)
- [Croatia](https://apptail.io/app/smartredfilter-MNkA/croatia)
- [Hungary](https://apptail.io/app/smartredfilter-MNkA/hungary)
- [Indonesia](https://apptail.io/app/smartredfilter-MNkA/indonesia)
- [Israel](https://apptail.io/app/smartredfilter-MNkA/israel)
- [India](https://apptail.io/app/smartredfilter-MNkA/india)
- [Iceland](https://apptail.io/app/smartredfilter-MNkA/iceland)
- [Jamaica](https://apptail.io/app/smartredfilter-MNkA/jamaica)
- [Jordan](https://apptail.io/app/smartredfilter-MNkA/jordan)
- [Japan](https://apptail.io/app/smartredfilter-MNkA/japan)
- [Kenya](https://apptail.io/app/smartredfilter-MNkA/kenya)
- [South Korea](https://apptail.io/app/smartredfilter-MNkA/south-korea)
- [Lebanon](https://apptail.io/app/smartredfilter-MNkA/lebanon)
- [Sri Lanka](https://apptail.io/app/smartredfilter-MNkA/sri-lanka)
- [Lithuania](https://apptail.io/app/smartredfilter-MNkA/lithuania)
- [Luxembourg](https://apptail.io/app/smartredfilter-MNkA/luxembourg)
- [Latvia](https://apptail.io/app/smartredfilter-MNkA/latvia)
- [Madagascar](https://apptail.io/app/smartredfilter-MNkA/madagascar)
- [North Macedonia](https://apptail.io/app/smartredfilter-MNkA/north-macedonia)
- [Mali](https://apptail.io/app/smartredfilter-MNkA/mali)
- [Macao SAR China](https://apptail.io/app/smartredfilter-MNkA/macau)
- [Malta](https://apptail.io/app/smartredfilter-MNkA/malta)
- [Mauritius](https://apptail.io/app/smartredfilter-MNkA/mauritius)
- [Mexico](https://apptail.io/app/smartredfilter-MNkA/mexico)
- [Malaysia](https://apptail.io/app/smartredfilter-MNkA/malaysia)
- [Namibia](https://apptail.io/app/smartredfilter-MNkA/namibia)
- [Netherlands](https://apptail.io/app/smartredfilter-MNkA/netherlands)
- [Norway](https://apptail.io/app/smartredfilter-MNkA/norway)
- [Nepal](https://apptail.io/app/smartredfilter-MNkA/nepal)
- [Oman](https://apptail.io/app/smartredfilter-MNkA/oman)
- [Panama](https://apptail.io/app/smartredfilter-MNkA/panama)
- [Pakistan](https://apptail.io/app/smartredfilter-MNkA/pakistan)
- [Poland](https://apptail.io/app/smartredfilter-MNkA/poland)
- [Portugal](https://apptail.io/app/smartredfilter-MNkA/portugal)
- [Qatar](https://apptail.io/app/smartredfilter-MNkA/qatar)
- [Romania](https://apptail.io/app/smartredfilter-MNkA/romania)
- [Russia](https://apptail.io/app/smartredfilter-MNkA/russia)
- [Saudi Arabia](https://apptail.io/app/smartredfilter-MNkA/saudi-arabia)
- [Senegal](https://apptail.io/app/smartredfilter-MNkA/senegal)
- [Tunisia](https://apptail.io/app/smartredfilter-MNkA/tunisia)
- [Türkiye](https://apptail.io/app/smartredfilter-MNkA/turkey)
- [Taiwan](https://apptail.io/app/smartredfilter-MNkA/taiwan)
- [Uganda](https://apptail.io/app/smartredfilter-MNkA/uganda)
- [Uzbekistan](https://apptail.io/app/smartredfilter-MNkA/uzbekistan)
- [Vietnam](https://apptail.io/app/smartredfilter-MNkA/vietnam)

---

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