Comparison

Time Passage vs PaperCast

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

Head to head

Time Passage

Calculate time duration

Free

🔧 Utilities

★ 1.01 ratingsView app →

About

Time Passage

Calculate the duration of time elapsed since a specific date. Input a birthday or any past date to see how much time has passed in years, months, days, and even seconds.

Highlights

Calculate time elapsed
Input past dates
View duration in years, months, days
View duration in seconds
Birthday calculation

Features

Read full description

Calculate the time duration from a given birthday

About

PaperCast

Features

Read full description

听懂论文，只需按一下！ PaperCast 是一款 AI 驱动的播客引擎，能将复杂的学术论文转换为清晰易懂的播客内容。你只需选择你感兴趣的主题，AI 就会为你解读最新论文，用对话式的方式讲给你听，像听脱口秀一样涨知识！功能亮点：每周订阅：精选 AI、投资、读书、健身等领域最新研究对话式讲解：主持人+嘉宾风格，生动有趣 10分钟听懂一篇论文，通勤、健身、睡前随时收听支持中英文双语播报，全球论文轻松掌握 Paper 秒懂按钮：再也不用啃专业术语和长篇大论让学习变得轻松有趣，从 PaperCast 开始！

Screenshots

Time Passage3 screens

PaperCast4 screens

Verdict

The call

The clearest difference is update cadence: PaperCast at every 2 days against Time Passage's every 10 months. On price, 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Time Passage ships an update every 10 months, PaperCast every 2 days. The most recent releases landed on August 12, 2026 and September 14, 2026 respectively.

Scorecard1 real difference · 8 level

Time Passage versus PaperCast: the parameters behind the verdict, then further details
Parameter	Time Passage	PaperCast
Price	Free	Free
Rating	1.0 (1 ratings) — better	—
Number of ratings	1 — better	—
Update frequency	Every 10 months	Every 2 days — better
Ads	No	No
In-app purchases	No	No
Monetization	Free	—
Devices	iPhone, iPad, Mac — better	iPhone, iPad
Requires iOS	17.0 — better	17.6
Further details — not scored
Size	2 MB	2 MB
Age rating	4+	4+
Developer	楚江王	士沛王

In-app purchases

None

Time Passage

No in-app purchases

None

PaperCast

No in-app purchases

Questions

Is Time Passage free?

Time Passage is free to download, with no in-app purchases.

Is PaperCast free?

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

Do Time Passage or PaperCast have ads?

Neither Time Passage nor PaperCast shows ads.

Which is updated more often, Time Passage or PaperCast?

Time Passage ships an update every 10 months, and PaperCast every 2 days. Most recently, Time Passage was updated on August 12, 2026 and PaperCast on September 14, 2026.