Comparison

Gen vs 青灯墨屏

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

Head to head
About

Gen

Features
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What year is Showa 5? A child was born in 2012, but what year is Heisei? Have you ever had any problems when converting from the Western era to the Japanese era, or from the Japanese era to the Western era? This app can mutually convert from the Japanese era name to the Christian era, and from the Western calendar to the Japanese era name. The Japanese era name that can be converted is from Meiji to Reiwa. On the top screen of the app, tap the Japanese era name or the one you want to convert to the Western calendar and enter it. Please select the Japanese era name by scrolling and selecting the era name and the year. Please enter the number directly for the year. You can check the converted history by tapping the history button. If you register frequently used items such as the birthdays of your parents, children, and spouse as favorites, you can easily check them on the Favorites screen. The app icon is designed to represent this year's Japanese era and Western calendar. If you place the icon in an easy-to-see location when you start up your iPhone or iPad, you can always check the era name of this year. In the free version, you can create up to 1 favorite and check up to 2 histories. If you want to create unlimited favorites and check 100 records, please consider purchasing the premium version within the app. ---------------------- Terms of Use and Privacy Policy: https://akikibai-laboratory.jimdofree.com/privacy-policy/

About

青灯墨屏

Features
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青灯墨屏是一款极简的阅读显示预设工具。 它把 iOS 系统自带的显示与辅助功能,整理成适合不同场景的「墨色」预设: 墨读:灰度 + 白点 + 减弱动态,适合长文、通勤和日常阅读。 深读:灰度 + 白点 + 亮度 40% + 减弱动态,适合强光、户外和需要更压光的场景。 夜读:灰度 + 白点 + 亮度 40% + 夜览 + 减弱动态,适合睡前和暗光环境。 青灯墨屏不需要账号,不接入广告,也不接入第三方统计 SDK。 日常切换可通过 Apple 官方「快捷指令」App 完成。你可以把这些预设放到控制中心、Action Button、Back Tap、Siri 或辅助功能入口中,用更少的步骤进入阅读状态。

Screenshots

Gen4 screens
青灯墨屏3 screens

Verdict

The call

The clearest difference is in-app purchases: 青灯墨屏 at none against Gen's 1. 青灯墨屏 also leads on ads (none vs shown) and update cadence (weekly vs every 3 months). Gen's advantage is device support (3 vs 1). On price 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. Gen sells 1 one-off in-app purchase. 青灯墨屏 asks for nothing beyond the download.

UpkeepUpdate frequency

Gen ships an update every 3 months, 青灯墨屏 weekly. The most recent releases landed on September 29, 2026 and October 8, 2026 respectively.

Scorecard4 real differences · 2 level
Gen versus 青灯墨屏: the parameters behind the verdict, then further details
ParameterGen青灯墨屏
PriceFreeFree
Update frequencyEvery 3 monthsWeekly — better
AdsYesNo — better
In-app purchasesYesNo — better
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.6 — better16.0
Further details — not scored
Size7 MB14 MB
Age rating4+4+
DeveloperKei Suefuji泽轩 王

In-app purchases

1 purchases

Gen

One-time1
  • PREMIUM$3.99
None

青灯墨屏

No in-app purchases

Questions

Is Gen free?
Gen is free to download, with in-app purchases available.
Is 青灯墨屏 free?
青灯墨屏 is free to download, with no in-app purchases.
Do Gen or 青灯墨屏 have ads?
Gen shows ads; 青灯墨屏 does not.
Which is updated more often, Gen or 青灯墨屏?
Gen ships an update every 3 months, and 青灯墨屏 weekly. Most recently, Gen was updated on September 29, 2026 and 青灯墨屏 on October 8, 2026.

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