Comparison

タダコピSP vs Sentiary

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

Head to head
About

タダコピSP

This app allows university students to copy, scan, and print documents for free by displaying advertisements on the back of the paper. It offers direct printing from smartphones and nationwide availability across numerous campuses.

Highlights
  • Free copying, scanning, and printing
  • Full color output at no cost
  • Direct smartphone printing
  • Scan to USB
  • Available at 65 universities nationwide
  • Easy 4-step usage
Features
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【祝・20周年!2026年4月6日をもってサービス開始から20周年を迎えました!】 タダコピは、コピー用紙の裏面に企業広告を掲載することで、コピー・スキャン・プリント、さらにフルカラー出力まで「無料」で利用できる、大学生専用サービスです。 【タダコピの特徴】 ①全部0円!:コピー、スキャン、プリント、フルカラー出力がすべて無料! ②スマホから直接プリント【NEW!】:USB不要。スマホにあるレジュメや就活書類をそのまま印刷可能! (※一部、旧型機設置キャンパスではご利用いただけない場合がございます。) ③スキャンも無料:授業のノートや配布資料をスキャンして、USBに保存可能! ④全国の大学に導入:全国65大学76キャンパスで稼働中! 【使い方(たったの4ステップ)】 ①カンタン登録:アプリをダウンロードして、すぐに利用登録! ②メニュー選択:コピー・スキャン・プリントから、使いたい機能を選ぼう! ③起動:目の前のタダコピ機をアプリで選んで、「起動する」をタップ! ④操作&完了:タダコピ機の操作パネルからメニューを選んで、印刷開始! 【注意事項】 ・本アプリは大学生専用サービスです。 ・一部、旧型機設置キャンパスではスマホ直接プリント機能がご利用いただけない場合があります。 ・設置大学、キャンパスはタダコピサービスサイトをご確認ください。 https://tadacopy.com/students

About

Sentiary

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Sentiary is a voice diary + AI reflection app that helps you organize your mind just by talking. Hit the record button, speak about your day, and AI will turn it into clean text, summaries, and emotion tags. ◆ What you can do with Sentiary Record a 3‑minute voice diary with a single tap Let AI rewrite your speech into readable text Automatically generate emotion tags (“happy”, “anxious”, “tired”, etc.) Get a weekly summary, insights, and one‑line advice from your diaries Save key insights to “My Insights” and revisit them later See your emotional trends on a simple heatmap ◆ Perfect for people who… Want to keep a diary but hate typing Want to understand their emotional patterns more objectively Struggle to put feelings into words Want to notice mental changes before burning out ◆ Privacy Your audio and diary entries are stored primarily on your device and your personal backend only. When you use Pro features, only the text of your diary is sent to the AI (OpenAI API) for formatting and analysis. Audio files are never sent to external AI services. ◆ Pro features “Format with AI” “Generate emotion tags” “AI summary & analysis” Emotion heatmap and weekly report These are available via a one‑time Pro upgrade (around ¥500 / $5 / £5 / €5, depending on region). Try recording and transcribing for free first. Just talking for a few minutes a day can make your inner patterns much easier to see. Subscriptions Sentiary offers an auto-renewing subscription (“Pro”). Payment will be charged to your Apple ID account at confirmation of purchase. The subscription automatically renews unless it is canceled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. You can manage and cancel your subscriptions in your App Store account settings after purchase. Terms of Use (EULA): https://www.notion.so/Terms-and-Conditions-3299ba5c4cbd80c695dad7e45f4ff5e1?source=copy_link Privacy Policy: https://www.notion.so/Sentiary-Privacy-Policy-31d9ba5c4cbd8084a3f3c6e4ce26b7c7?source=copy_link

Screenshots

タダコピSP4 screens
Sentiary4 screens

Verdict

The call

The clearest difference is in-app purchases: タダコピSP at none against Sentiary's 1. タダコピSP also leads on iOS requirement (15.1 vs 17.0). Sentiary's advantage is ads (none vs shown) and update cadence (weekly vs every 3 weeks). On price and device support 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. Sentiary sells 1 in-app purchase, starting at $1.99 per month. タダコピSP asks for nothing beyond the download.

UpkeepUpdate frequency

タダコピSP ships an update every 3 weeks, Sentiary weekly. The most recent releases landed on September 28, 2026 and October 3, 2026 respectively.

Scorecard4 real differences · 4 level
タダコピSP versus Sentiary: the parameters behind the verdict, then further details
ParameterタダコピSPSentiary
PriceFreeFree
Positive reviews40.0% of reviews—
Update frequencyEvery 3 weeksWeekly — better
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better17.0
Further details — not scored
Size26 MB16 MB
Age rating4+17+
DeveloperSmartCampus, Inc.Ken Ishizaka

In-app purchases

None

タダコピSP

No in-app purchases

1 purchases

Sentiary

Subscriptions1
  • Sentiary Pro$1.991 Month

Questions

Is タダコピSP free?
タダコピSP is free to download, with no in-app purchases.
Is Sentiary free?
Sentiary is free to download, with in-app purchases available.
Do タダコピSP or Sentiary have ads?
タダコピSP shows ads; Sentiary does not.
Which is updated more often, タダコピSP or Sentiary?
タダコピSP ships an update every 3 weeks, and Sentiary weekly. Most recently, タダコピSP was updated on September 28, 2026 and Sentiary on October 3, 2026.

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