Comparison

iNAHO Ei vs Universal Unit Converter!

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

Head to head
About

iNAHO Ei

Features
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このアプリは、「iNAHO Ei-Lock」を操作・管理するためのものです。 ご利用には「iNAHO Ei-Lock」本体が必要です。

About

Universal Unit Converter!

Features
Read full description

Just type a number — that's it. Universal Unit Converter instantly converts your input into every unit at once. ■ Perfect for · Travelers and online shoppers juggling metric vs. imperial · Anyone switching between m², ft² and pyeong · Checking live currency rates and gold/silver prices fast · Cooking, fitness, and interior measurements ■ Key features · Real-time conversion — every unit updates as you type, no button · Length / Weight / Area / Temperature / Time / Data / IT-Display · Traditional East Asian units (pyeong, don, geun, ja, gan…) · 160+ live currencies + gold & silver prices · Country presets (KR / US / UK / JP / CN) · Conversion history & favorites (stored offline) · 4 languages (EN/KO/JA/ZH) · large-text mode · dark mode ■ Why you'll like it · Works offline (rates show the last fetched value) · Exact fraction math for error-free results · Ads placed only where they don't block your workflow Convert anything, anywhere — fast and accurate.

Screenshots

iNAHO Ei4 screens
Universal Unit Converter!4 screens

Verdict

The call

The clearest difference is ads: iNAHO Ei at none against Universal Unit Converter!'s shown. Universal Unit Converter!'s advantage is update cadence (every 8 days vs every 3 months). 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

iNAHO Ei ships an update every 3 months, Universal Unit Converter! every 8 days. The most recent releases landed on October 27, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 4 level
iNAHO Ei versus Universal Unit Converter!: the parameters behind the verdict, then further details
ParameteriNAHO EiUniversal Unit Converter!
PriceFreeFree
Update frequencyEvery 3 monthsEvery 8 days — better
AdsNo — betterYes
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.615.0 — better
Further details — not scored
Size21 MB23 MB
Age rating4+4+
DeveloperART JAPAN CO., LTD.Taek Oh

In-app purchases

None

iNAHO Ei

No in-app purchases

None

Universal Unit Converter!

No in-app purchases

Questions

Is iNAHO Ei free?
iNAHO Ei is free to download, with no in-app purchases.
Is Universal Unit Converter! free?
Universal Unit Converter! is free to download, with no in-app purchases.
Do iNAHO Ei or Universal Unit Converter! have ads?
Universal Unit Converter! shows ads; iNAHO Ei does not.
Which is updated more often, iNAHO Ei or Universal Unit Converter!?
iNAHO Ei ships an update every 3 months, and Universal Unit Converter! every 8 days. Most recently, iNAHO Ei was updated on October 27, 2026 and Universal Unit Converter! on October 31, 2026.

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