WoodenHead vs UnitConverter byNSDev
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
WoodenHead
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見積書や請求書、注文書といった伝票を記録し、収支を管理したり、印刷用のPDFを作成することができるユーティリティです。FacebookかTwitter、Googleでのログイン認証が必須で、アカウントを作成後、同じアカウントでログインすれば、異なるデバイス間でもリアルタイムなやりとりが可能となります。 まず、取引先を作り、次にその商品を準備しておきます。その後、各種支出タイプ、収入タイプの伝票を作成していきます。伝票一覧を表示すると、その収支の合計をいつでも確認できます。 基本的にはビジネスで使う請求書や注文書を作成するユーティリティの形をしていますが、使い方によってはお小遣い帳のように家庭内でも利用できます。
UnitConverter byNSDev
This tool converts between 26 different types of units, displaying conversion rates and allowing you to specify decimal places. It supports a vast array of units across categories like length, mass, volume, and more.
- Converts 26 types of units
- Displays conversion rates
- Customizable decimal places
- Supports numerous units in various categories
- User-submitted unit requests
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Tool to convert each of 26 types of units. When you select a unit of value that you enter, you create a table to calculate all the other units. It also displays the conversion rate. You can also specify the number of decimal places. 23 units in Length 18 units in Area 31 units in Volume 15 units in Mass 5 units in Angle 4 units in Temperature 7 units in Time 3 units in Frequency 5 units in Force 17 units in Pressure 6 units in Energy 6 units in Power rate 13 units in Speed 14 units in Acceleration 2 units in Dynamic viscosity 4 units in Kinematic viscosity 3 units in Magnetic flux density 2 units in Magnetic flux 7 units in Luminance 4 units in Illuminance 3 units in Radiation - source activity 2 units in Radiation - absorbed dose 2 units in Radiation - equivalent dose 2 units in Radiation - exposure 7 units in Infomation 7 units in Resolution Because we want to support units around the world, We will wait for the name and unit conversion information. Please enter your review.
Screenshots
Verdict
The clearest difference is update cadence: WoodenHead at every 2 months against UnitConverter byNSDev's every 5 months. WoodenHead also leads on iOS requirement (13.0 vs 15.6). 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
WoodenHead ships an update every 2 months, UnitConverter byNSDev every 5 months. The most recent releases landed on October 8, 2026 and October 4, 2026 respectively.
| Parameter | WoodenHead | UnitConverter byNSDev |
|---|---|---|
| Price | Free | Free |
| Positive reviews | — | 20.0% of reviews |
| Update frequency | Every 2 months — better | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 388 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Tetsuya Shiraishi | NIHON SYSTEM DEVELOPER CORPORATION |
In-app purchases
WoodenHead
No in-app purchases
UnitConverter byNSDev
No in-app purchases
Questions
Is WoodenHead free?
Is UnitConverter byNSDev free?
Do WoodenHead or UnitConverter byNSDev have ads?
Which is updated more often, WoodenHead or UnitConverter byNSDev?
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