Comparison

Free vs Dual Timer

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

Head to head
About

Free

Features
Read full description

What is Free-Style Charge? Free-Style Charge is an application that allows you to recharge your communication data capacity “as and when you need it”. You can easily check the remaining data, expiration date, purchase history, etc. Main Functions (1) Data Charge Function Data recharge is available 24 hours a day, 365 days a year! Charged data is reflected immediately! Data recharges can be used in approximately 120 countries overseas. (2) Remaining data display You can easily check the amount of data remaining and expiration date. (3) Display of data purchase history The date, time, and amount of data purchased can be viewed at a glance. The tax rate, tax amount, and Qualified Billing Business registration number are also displayed on the statement. Free-Style Charge requires a compatible device purchased via Free-Style Wi-Fi.

About

Dual Timer

Features
Read full description

Dual Timer は、上下に2つのタイマーを表示できるシンプルなタイマーアプリです。 カウントアップ/カウントダウンの切り替え、時間設定、赤表示しきい値などを用途に合わせて調整できます。 現在時刻を表示し、指定した時刻にベルを鳴らすことも可能です。 上下それぞれ個別にスタート/ストップ/リセット 両方同時のスタート/ストップ/リセットに対応 外部ディスプレイ(USB-C接続)へタイマー表示を出力可能 黒背景+大きな数字で視認性重視 指定した時間にベルを鳴らします(3回まで対応) 授業、プレゼン、発表会、会議、トレーニング、試合運用など、時間管理が必要な場面で活躍します。

Screenshots

Free4 screens
Dual Timer3 screens

Verdict

The call

The clearest difference is update cadence: Dual Timer at every 5 days against Free's every 4 months. Free's advantage is iOS requirement (15.6 vs 17.6). 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

Free ships an update every 4 months, Dual Timer every 5 days. The most recent releases landed on October 27, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 4 level
Free versus Dual Timer: the parameters behind the verdict, then further details
ParameterFreeDual Timer
PriceFreeFree
Update frequencyEvery 4 monthsEvery 5 days — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.6 — better17.6
Further details — not scored
Size25 MB1 MB
Age rating17+4+
DeveloperNEXT Co., Ltd(Apps)kiyoshi yamamoto

In-app purchases

None

Free

No in-app purchases

None

Dual Timer

No in-app purchases

Questions

Is Free free?
Free is free to download, with no in-app purchases.
Is Dual Timer free?
Dual Timer is free to download, with no in-app purchases.
Do Free or Dual Timer have ads?
Neither Free nor Dual Timer shows ads.
Which is updated more often, Free or Dual Timer?
Free ships an update every 4 months, and Dual Timer every 5 days. Most recently, Free was updated on October 27, 2026 and Dual Timer on October 31, 2026.

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