Comparison

Fullscreen Timelapse Clock vs コラッツ計算機|数列シミュレーター

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

Head to head
About

Fullscreen Timelapse Clock

Features
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Are you recording your work, study, or creative process? Meet Timelapse Clock, the most perfect clock for timelapse filming. Have you ever been distracted by unnecessary ads, the screen turning off during filming, or accidental touches breaking your focus? Timelapse Clock was created to solve all of those inconveniences. This app is not just a simple clock—it's a filming-dedicated tool designed to ensure your valuable recordings are never disturbed. - Highly recommended for: * Creators, developers, and designers who record their work process such as coding, drawing, or assembling as timelapse videos * Students, exam takers, and study groups who want to boost motivation and concentration by filming their study sessions * Anyone who needs a clean and beautiful digital desk clock without complicated features - Core features designed solely for focus [1. 100% ad-free clean environment] No ads, banners, or pop-ups. From launch to the end of recording, only the time is displayed. Your focus is our top priority. [2. Prevents the screen from turning off during filming] The screen stays awake until recording is finished. Even long sessions will not be interrupted. [3. OLED burn-in prevention] To minimize burn-in from long static display, the clock digits move subtly and continuously. Protect your device during extended use. [4. Design optimized for filming] Fonts, colors, and layouts are tuned to stay clear from any angle and on any device. Supports both dark mode and light mode. [5. Free customization] Choose whether to show seconds, switch between 12/24-hour formats, and select various date formats such as YYYY.MM.DD or M/D (ddd). - Our promise Timelapse Clock prioritizes your focus and the value of your recordings. We do not add unnecessary features, track personal data, or monetize through ads. We provide a pure tool dedicated to your purpose. Download Timelapse Clock now and record every precious moment without interruption.

About

コラッツ計算機|数列シミュレーター

Features
Read full description

コラッツ予想をシンプルに体験できる計算アプリです。 任意の自然数を入力するだけで、数列の変化を自動で計算し、わかりやすく表示します。 ■ 主な機能 ・コラッツ予想の自動計算 ・計算過程の一覧表示 ・ステップ数・最大値の表示 ・履歴保存機能(過去の計算をすぐ確認) ・計算負荷が高い場合の自動停止機能 ■ プレミアム機能 ・広告の非表示 ・計算結果のグラフ表示 ■ こんな方におすすめ ・数学や数列が好きな方 ・コラッツ予想に興味がある方 ・シンプルな計算ツールを探している方 直感的な操作で、誰でも簡単にコラッツ予想の世界を体験できます。

Screenshots

Fullscreen Timelapse Clock4 screens
コラッツ計算機|数列シミュレーター2 screens

Verdict

The call

The clearest difference is in-app purchases: Fullscreen Timelapse Clock at none against コラッツ計算機|数列シミュレーター's 1. Fullscreen Timelapse Clock also leads on ads (none vs shown) and update cadence (every 2 days vs weekly). 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. コラッツ計算機|数列シミュレーター sells 1 one-off in-app purchase. Fullscreen Timelapse Clock asks for nothing beyond the download.

UpkeepUpdate frequency

Fullscreen Timelapse Clock ships an update every 2 days, コラッツ計算機|数列シミュレーター weekly. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

Scorecard4 real differences · 2 level
Fullscreen Timelapse Clock versus コラッツ計算機|数列シミュレーター: the parameters behind the verdict, then further details
ParameterFullscreen Timelapse Clockコラッツ計算機|数列シミュレーター
PriceFreeFree
Update frequencyEvery 2 days — betterWeekly
AdsNo — betterYes
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.0 — better26.2
Further details — not scored
Size18 MB5 MB
Age rating4+4+
DeveloperGroundcodeKenji Yanase

In-app purchases

None

Fullscreen Timelapse Clock

No in-app purchases

1 purchases

コラッツ計算機|数列シミュレーター

One-time1
  • プレミアム$0.49

Questions

Is Fullscreen Timelapse Clock free?
Fullscreen Timelapse Clock is free to download, with no in-app purchases.
Is コラッツ計算機|数列シミュレーター free?
コラッツ計算機|数列シミュレーター is free to download, with in-app purchases available.
Do Fullscreen Timelapse Clock or コラッツ計算機|数列シミュレーター have ads?
コラッツ計算機|数列シミュレーター shows ads; Fullscreen Timelapse Clock does not.
Which is updated more often, Fullscreen Timelapse Clock or コラッツ計算機|数列シミュレーター?
Fullscreen Timelapse Clock ships an update every 2 days, and コラッツ計算機|数列シミュレーター weekly. Most recently, Fullscreen Timelapse Clock was updated on November 4, 2026 and コラッツ計算機|数列シミュレーター on November 5, 2026.

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