Comparison

UNKNOWN vs AcuSpark2

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

Head to head
About

UNKNOWN

Read full description

UNKNOWN(アンノウン)の公式アプリです。 【概要】 ■アプリ上から24時間いつでも予約が可能 指名予約にも対応しているので担当スタッフのスケジュールを確認してからの予約が可能です。 ■クーポン お得なクーポンが配信されます。ネット予約時にクーポン利用での予約も可能なので来店時もスムーズに施術頂けます。 ■スタッフが施術したギャラリーを掲載 前もって画像を確認しておけばスムーズなオーダーが可能です。 ■マイページ機能 予約状況の確認やキャンセルがマイページ上から行えます。スタッフの登録が出来るので前もって担当者を登録しておけばマイページからスムーズな指名予約が可能です。

About

AcuSpark2

This app guides you through using your sewing machine with clear instructions and helpful tips. It can scan QR codes on your machine to provide specific guidance and inspiration, even without a connected device.

Highlights
  • Sewing machine usage instructions
  • QR code scanning for machine status
  • Step-by-step sewing method videos
  • Presser foot descriptions
  • Stitch chart
  • Multilingual support
Features
Read full description

AcuSpark2 is an app that explains how to use the sewing machine and provides useful tips. Read the QR code displayed on the sewing machine screen with AcuSpark2 and all your questions will be answered. AcuSpark2 can also be used without a sewing machine. The app acts as a concierge, offering support and inspiring new ideas. AcuSpark2 is compatible with the following sewing machine models: Please refer to the following link : https://www7.janome.co.jp/global/softupdate/acuspark2/ Reading QR codes (linking with sewing machine): * When the QR codes displayed on the sewing machine screen are read with AcuSpark2, instructions and know-how related to the status of the sewing machine appear in the app. Features: * Offers basic knowledge on how to use the sewing machine. * Step-by-step illustrative videos for learning special sewing methods are available. * Presser foot descriptions (including optional items) * Includes a stitch chart containing the sewing machine's built-in stitches Supported languages are as follows: * English * French * Spanish * Japanese * Changing language settings Language settings can be adjusted through device settings (Settings -> General -> Language & Region). (Method may vary depending on device.) Notes: * An internet connection is required to download the data and the communication charges shall be borne by the customer. * The email address development@gm.janome.co.jp is for feedback only and no replies will be sent to emails received. Your feedback is greatly appreciated.

Screenshots

UNKNOWN2 screens
AcuSpark24 screens

Verdict

The call

The clearest difference is update cadence: AcuSpark2 at every 8 months against UNKNOWN's every 34 months. UNKNOWN's advantage is iOS requirement (13.0 vs 15.0). 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

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

UNKNOWN ships an update every 34 months, AcuSpark2 every 8 months. The most recent releases landed on September 13, 2026 and September 24, 2026 respectively.

Scorecard2 real differences · 8 level
UNKNOWN versus AcuSpark2: the parameters behind the verdict, then further details
ParameterUNKNOWNAcuSpark2
PriceFreeFree
Rating—2.7 (3 ratings) — better
Positive reviews—33.3% of reviews
Number of ratings—3 — better
Update frequencyEvery 34 monthsEvery 8 months — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS13.0 — better15.0
Further details — not scored
Size3 MB72 MB
Age rating4+4+
Developershingo kameiJANOME Corporation

In-app purchases

None

UNKNOWN

No in-app purchases

None

AcuSpark2

No in-app purchases

Questions

Is UNKNOWN free?
UNKNOWN is free to download, with no in-app purchases.
Is AcuSpark2 free?
AcuSpark2 is free to download, with no in-app purchases.
Do UNKNOWN or AcuSpark2 have ads?
Neither UNKNOWN nor AcuSpark2 shows ads.
Which is updated more often, UNKNOWN or AcuSpark2?
UNKNOWN ships an update every 34 months, and AcuSpark2 every 8 months. Most recently, UNKNOWN was updated on September 13, 2026 and AcuSpark2 on September 24, 2026.

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