Comparison

Timecon vs Stopwatch Library

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

Head to head

Timecon

Simple Time Unit Converter

About

Timecon

Features

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This app allows easy conversion of time units from nanoseconds to centuries. It supports seconds, minutes, hours, days, weeks, months, years, as well as milliseconds, microseconds, and nanoseconds. It also covers larger units like decades and centuries. Instantly calculate complex time conversions with ease. Designed for intuitive use, making it suitable for both beginners and professionals.

About

Stopwatch Library

Read full description

複数のストップウォッチを表示させることができます。アナログかデジタルかは選んでください。

Screenshots

Timecon3 screens

Stopwatch Library4 screens

Verdict

The call

The clearest difference is ads: Stopwatch Library at none against Timecon's shown. Stopwatch Library also leads on update cadence (every 3 days vs every 12 months). Timecon's advantage is iOS requirement (13.0 vs 17.0). On price, 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. Timecon sells 2 in-app purchases, starting at $4.99 per month and Stopwatch Library sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Timecon ships an update every 12 months, Stopwatch Library every 3 days. The most recent releases landed on October 7, 2026 and September 28, 2026 respectively.

Scorecard3 real differences · 3 level

Timecon versus Stopwatch Library: the parameters behind the verdict, then further details
Parameter	Timecon	Stopwatch Library
Price	Free	Free
Update frequency	Every 12 months	Every 3 days — better
Ads	Yes	No — better
In-app purchases	Yes	Yes
Devices	iPhone, iPad, iPod — better	iPhone, iPad
Requires iOS	13.0 — better	17.0
Further details — not scored
Size	28 MB	5 MB
Age rating	4+	4+
Developer	kota tada	Naoyuki Hasegawa

In-app purchases

2 purchases

Timecon

Subscriptions2

Ad-free for 1 month7 Days trial$4.991 Month
Ad-free for 1 year14 Days trial$49.991 Year

1 purchases

Stopwatch Library

One-time1

広告を削除$2.99

Questions

Is Timecon free?

Timecon is free to download, with in-app purchases available.

Is Stopwatch Library free?

Stopwatch Library is free to download, with in-app purchases available.

Do Timecon or Stopwatch Library have ads?

Timecon shows ads; Stopwatch Library does not.

Which is updated more often, Timecon or Stopwatch Library?

Timecon ships an update every 12 months, and Stopwatch Library every 3 days. Most recently, Timecon was updated on October 7, 2026 and Stopwatch Library on September 28, 2026.