Comparison

Lupin meter vs SlipBox

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

Head to head
About

Lupin meter

Read full description

1.簡易輝度画像測定器 2.測定した輝度画像から、以下の数値を分析・算出 2.1人間が空間を見た時に感じる明るさの印象 明るさ感 2.2測定した範囲内の平均輝度 2.3輝度のばらつき 2.4最小輝度 2.5最大輝度 3.測定した輝度画像の一覧機能と呼び出し機能。 4.撮影画面 5.撮影画像のタグ付け機能 6.メールによる転送機能 The English site is following. https://www.endo-lighting.co.jp/lupin/en.html The site of privacy policy in the Japanese is following. http://www.endo-lighting.co.jp/privacy/ ※どの端末でもご利用いただけますが、測定値には端末毎にバラツキがございます。あらかじめご了承のほど、宜しくお願い致します。 Please be advised that this apps often have gotten a different luminance value each devices.

About

SlipBox

This app helps you build a structured web of knowledge using the Zettelkasten method. Its minimalist design and continuous scrolling interface encourage active recall and pattern recognition for deep cognitive work. Your notes are stored locally for privacy.

Highlights
  • Continuous scroll interface
  • Zettelkasten method implementation
  • Intentional tagging system
  • Minimalist design
  • Privacy-first, local storage
Features
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Stop burying your ideas in digital graveyards and start building a structured web of knowledge with the original Zettelkasten method. SlipBox is a minimalist note-taking tool designed for those who value intentionality over automation. By digitizing Niklas Luhmann’s legendary paper-and-pen system, SlipBox replaces complex folders and confusing backlinks with a unique, continuous scrolling interface. This design forces you to physically move through your ideas, facilitating the active recall and spontaneous pattern recognition necessary for deep cognitive work. Key Features for Your Second Brain: Continuous Scroll Interface View your notes in a single, fluid stream to rediscover forgotten insights and spark new ideas. The Luhmann Workflow A digital implementation of the Zettelkasten method that respects the principle of atomicity (one idea per card). Intentional Tagging Organize notes manually to build deep mental maps and avoid the "out of sight, out of mind" trap of folders. Minimalist Design No steep learning curves or bloated features, just you and your knowledge. Privacy-First & Local Your data stays on your device, ensuring your private thoughts remain truly private. Build a knowledge system that grows with you. Turn your fleeting notes into a structured, permanent repository of thought with SlipBox.

Screenshots

Lupin meter4 screens
SlipBox4 screens

Verdict

The call

The clearest difference is price: Lupin meter at Free against SlipBox's $0.99. Lupin meter also leads on iOS requirement (8.0 vs 18.2). SlipBox's advantage is update cadence (every 3 weeks vs every 3 months). On ads, in-app purchases 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

Lupin meter is free to download; SlipBox costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Lupin meter ships an update every 3 months, SlipBox every 3 weeks. The most recent releases landed on October 26, 2026 and November 4, 2026 respectively.

Scorecard3 real differences · 7 level
Lupin meter versus SlipBox: the parameters behind the verdict, then further details
ParameterLupin meterSlipBox
PriceFree — better$0.99
Rating—3.3 (4 ratings) — better
Positive reviews—90.0% of reviews
Number of ratings—4 — better
Update frequencyEvery 3 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
Monetization—Paid
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS8.0 — better18.2
Further details — not scored
Size6 MB8 MB
Age rating4+4+
DeveloperEndo Lighting Corp.Ozlem AKBUDAK

In-app purchases

None

Lupin meter

No in-app purchases

None

SlipBox

No in-app purchases

Questions

Is Lupin meter free?
Lupin meter is free to download, with no in-app purchases.
Is SlipBox free?
SlipBox costs $0.99, with no in-app purchases.
Do Lupin meter or SlipBox have ads?
Neither Lupin meter nor SlipBox shows ads.
Which is updated more often, Lupin meter or SlipBox?
Lupin meter ships an update every 3 months, and SlipBox every 3 weeks. Most recently, Lupin meter was updated on October 26, 2026 and SlipBox on November 4, 2026.

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