Comparison

Bolt Length vs 素因数分解計算機アプリ

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

Head to head

Bolt Length

Calculate screw length

Free

📊 Productivity

★ 3.02 ratingsView app →

About

Bolt Length

This application helps calculate the length of metric coarse screws based on Japanese Industrial Standards. It is designed for mechanical design purposes and should be used at the user's own risk.

Highlights

Metric coarse screw length calculation
Conforms to Japanese Industrial Standards (JIS)
Designed for mechanical design
User risk disclaimer

Features

Read full description

This app is an application for calculating the length of the screw. ※:This app does not guarantee the effectiveness of the combination. ※:Use this application at your own risk. Conforms to the Japanese Industrial Standards (JIS). Screws are all metric coarse screw. For mechanical design. Sorry, Only in Japan.Because using the JIS.

About

素因数分解計算機アプリ

Features

Read full description

シンプルな素因数分解専用の計算電卓です。 18桁まで対応しています。一瞬で答えが出ます！

Screenshots

Bolt Length4 screens

素因数分解計算機アプリ2 screens

Verdict

The call

The clearest difference is price: Bolt Length at Free against 素因数分解計算機アプリ's $0.49. 素因数分解計算機アプリ's advantage is in-app purchases (none vs 1) and ads (none vs shown). On 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

Bolt Length is free to download; 素因数分解計算機アプリ costs $0.49 up front. Bolt Length sells 1 one-off in-app purchase. 素因数分解計算機アプリ asks for nothing beyond the download.

UpkeepUpdate frequency

Bolt Length ships an update every 20 months, 素因数分解計算機アプリ daily. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

Scorecard5 real differences · 5 level

Bolt Length versus 素因数分解計算機アプリ: the parameters behind the verdict, then further details
Parameter	Bolt Length	素因数分解計算機アプリ
Price	Free — better	$0.49
Rating	3.0 (2 ratings) — better	—
Positive reviews	33.3% of reviews	—
Number of ratings	2 — better	—
Update frequency	Every 20 months	Daily — better
Ads	Yes	No — better
In-app purchases	Yes	No — better
Monetization	Free with in-app purchases	—
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	14.0	12.0 — better
Further details — not scored
Size	6 MB	22 MB
Age rating	4+	4+
Developer	mitsunori oishi	kotobaz

In-app purchases

1 purchases

Bolt Length

One-time1

Hide Ads$1.99

None

素因数分解計算機アプリ

No in-app purchases

Questions

Is Bolt Length free?

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

Is 素因数分解計算機アプリ free?

素因数分解計算機アプリ costs $0.49, with no in-app purchases.

Do Bolt Length or 素因数分解計算機アプリ have ads?

Bolt Length shows ads; 素因数分解計算機アプリ does not.

Which is updated more often, Bolt Length or 素因数分解計算機アプリ?

Bolt Length ships an update every 20 months, and 素因数分解計算機アプリ daily. Most recently, Bolt Length was updated on November 2, 2026 and 素因数分解計算機アプリ on October 30, 2026.