Comparison

教開eTEXT vs エスビューア

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

About

教開eTEXT

Features

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弊社教材をご採用頂いている私立学校向けにご採用教材をiPadでも閲覧できるサービスアプリです。アプリのご利用には学校コード・シリアルNoが必要となります。 ※シリアルNoは再利用が出来ません。再インストール時・別端末で利用する際はシリアルNoの再発行が必要です。利用される生徒さんへ学校コード・シリアルNoは学校の先生にお聞きください。私立学校の先生へご利用をご希望の場合は、教育開発出版　営業担当までお問い合わせください。

About

エスビューア

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エスビューアは、数研出版のデジタル教科書・教材を使用するためのビューアアプリケーションです。【対応端末】 iPadOS 17以降のiPadでお使いいただけます。【ダウンロード前にご確認ください】本アプリケーションをダウンロードする前に、必ず「使用許諾契約」をご確認ください。

Screenshots

教開eTEXT3 screens

Verdict

The call

The clearest difference is update cadence: エスビューア at every 3 months against 教開eTEXT's every 22 months. 教開eTEXT's advantage is device support (3 vs 1) and iOS requirement (10.0 vs 13.0). On price, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

教開eTEXT ships an update every 22 months, エスビューア every 3 months. The most recent releases landed on October 26, 2026 and November 3, 2026 respectively.

Scorecard3 real differences · 4 level

教開eTEXT versus エスビューア: the parameters behind the verdict, then further details
Parameter	教開eTEXT	エスビューア
Price	Free	Free
Positive reviews	—	16.7% of reviews
Update frequency	Every 22 months	Every 3 months — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod — better	iPad
Requires iOS	10.0 — better	13.0
Further details — not scored
Size	15 MB	52 MB
Age rating	4+	4+
Developer	KYOUIKU KAIHATSU SHUPPAN CO.,LTD.	Suken Shuppan K.K.

Bugs and requests

教開eTEXT

Not enough reviews yet to summarise bugs or requests.

エスビューア

Reported bugs

11 issues

Download errors and interruptions
Eraser function is difficult to use
Text processing lag and unresponsiveness
Cannot upload photos from device gallery
Poor image quality when taking photos within the app

Show 6 more

Slide view not displaying
Answers/explanations not displaying (white screen)
Homework not updating or submitting
Answers disappearing after updates
Problems with screen display and explanation visibility on iPad
Issues with left-side detail marks not displaying problem details

Requested features

12 requests

Improve eraser functionality
Allow adding blank pages
Improve pen settings (e.g., save presets)
Allow uploading photos from gallery
Improve image quality for app camera

Show 7 more

Provide more detailed explanations/alternative solutions in videos
Offer PDF export option
Improve UI/UX
Fix issues with slide view not displaying
Fix issues with answers/explanations not displaying
Allow changing pen thickness
Provide more line size options for writing

In-app purchases

None

教開eTEXT

No in-app purchases

None

エスビューア

No in-app purchases

Questions

Is 教開eTEXT free?

教開eTEXT is free to download, with no in-app purchases.

Is エスビューア free?

エスビューア is free to download, with no in-app purchases.

Do 教開eTEXT or エスビューア have ads?

Neither 教開eTEXT nor エスビューア shows ads.

Which is updated more often, 教開eTEXT or エスビューア?

教開eTEXT ships an update every 22 months, and エスビューア every 3 months. Most recently, 教開eTEXT was updated on October 26, 2026 and エスビューア on November 3, 2026.