Comparison

BuildTimer vs Sleep time record charts

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

Head to head
About

BuildTimer

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BuildTimerはあなたの日々の活動を管理し、一覧形式やグラフ化で見える化を図り、計画的に目標達成を支援します。 ■積み上げる内容を目標として投稿 投稿する目標は、達成するためにどれだけの時間を積み上げるかという計画です。これにより、目標達成に向けた積み重ねを計画的に記録することが可能となります。 ■毎日の積み上げ記録 毎日の積み上げ記録として、日常の活動をタイマー形式で記録します。目標の投稿をクリックすることで、一覧形式で積み上げた記録を確認することができます。 ■時期別で記録を確認 日々積み上げた記録は日、週、月、年別で切り替えて表示することができます。どれだけ積み上げたか時間も確認可能なため、一覧形式ですぐ把握できます。 ■円グラフで記録を可視化 積み上げた時間を円グラフで可視化することができます。これにより、目標達成までの進捗や時間の配分を一目で確認できます。 ■お問い合わせ ご意見、機能追加のご要望があれば、下記までご連絡ください。 karirin419@gmail.com

About

Sleep time record charts

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Sleep time is calculated and displayed based on bedtime and wake-up date and time. Displays sleep time in a line graph. ・Record bedtime 1. Tap the "Bedtime" button. If you press/tap for a long time, step 2/step 3 will be skipped. The current date and time will be set. 2. Select the year, month, and day and tap "Next". 3. Select your bedtime and tap OK. ・When recording the wake-up date and time 1. Tap the "Wake up date and time" button in the wake up date and time column of the table. If you press/tap for a long time, step 2/step 3 will be skipped. The current date and time will be set. 2. Select the year, month, and day and tap "Next". 3. Select your wake-up time and tap "OK". ▼Sleep time The sleep time in the table is automatically displayed based on the bedtime and wake-up date and time. ▼When recording your mood when you wake up 1. Tap "Condition" in the Condition column of the table. 2. Select a condition. ▼Display chart 1. Press the line chart button at the top. 2. Click the displayed chart from the menu below. Monthly chart sleep/wake chart sleep/wake rhythm chart Annual total/average/chart Full period chart ▼Add user 1. Press the user button at the top 2. Press add user 3. Enter the username and press OK. ▼Edit username 1. Press the user button at the top 2. Press user edit and delete 3. Press the username from the list. 4. Edit the user name on the edit screen and press OK. ▼Delete username 1. Press the user button at the top 2. Press user edit and delete 3. Swipe the username you want to delete from the list from the left and press Delete. ▼If you want to delete all records From the menu on the top right, select Erase all data. You can delete all records. 【Terms of Use】 This app complies with the Apple Standard Terms of Use (EULA). Please refer to the link below for details: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

BuildTimer3 screens
Sleep time record charts4 screens

Verdict

The call

The clearest difference is ads: BuildTimer at none against Sleep time record charts's shown. BuildTimer also leads on update cadence (fortnightly vs monthly). On price, in-app purchases, device support and iOS requirement 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

BuildTimer ships an update fortnightly, Sleep time record charts monthly. The most recent releases landed on October 6, 2026 and October 3, 2026 respectively.

Scorecard2 real differences · 4 level
BuildTimer versus Sleep time record charts: the parameters behind the verdict, then further details
ParameterBuildTimerSleep time record charts
PriceFreeFree
Update frequencyFortnightly — betterMonthly
AdsNo — betterYes
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.3 — better17.6
Further details — not scored
Size40 MB5 MB
Age rating4+17+
Developerhashimoto ryouyaYUTAKA IZUMIYAMA

In-app purchases

None

BuildTimer

No in-app purchases

None

Sleep time record charts

No in-app purchases

Questions

Is BuildTimer free?
BuildTimer is free to download, with no in-app purchases.
Is Sleep time record charts free?
Sleep time record charts is free to download, with no in-app purchases.
Do BuildTimer or Sleep time record charts have ads?
Sleep time record charts shows ads; BuildTimer does not.
Which is updated more often, BuildTimer or Sleep time record charts?
BuildTimer ships an update fortnightly, and Sleep time record charts monthly. Most recently, BuildTimer was updated on October 6, 2026 and Sleep time record charts on October 3, 2026.

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