Comparison

AEI Keyboard Note Dutch vs Multi Tuner

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

Head to head
About

AEI Keyboard Note Dutch

Read full description

You can type messages easier and faster with one-hand wherever you are! What is Good about AEI Keyboard - Only One Push to input Vowel (letter). - Less than Two Push to input Alphabet. (any letter) - Input faster with Two Thumbs. **************************** *This Keyboard works ONLY in this App. Special Features * Arrow keys to move caret right and left faster for easier text editing * You can open "twitter" site from Copy Button * Save messages with destination number in "list" as fixed phrases * Your current location info can be copied with a single touch * You can select destination number from "Contacts" * Friendly alphabetical character array with 13 multi-input keys with just 2 characters each to type faster and easier * Ideal key size that reduce probability of typographic errors * Adjustable character counter Useful keyboard Settings (touch the "tools" icon for setting): > Auto determination of character typed with multi-input key example: (interval set "1.0"sec) 1. tap "OP)" key once (the key is highlighted) 2. the character "O" will be determined in 1.0 second automatically and key-highlight goes off 3. you can input characters assigned in the same key right away *You can turn off auto-determination function, and the interval is adjustable at the "tools" menu. Useful buttons equipped: > Clear" button to erase immediately > "Hide" button to hide the keyboard for view of longer messages > "I'm here!" button to insert your current location info > "(^_^)" button to select major face marks > "Copy" button to copy the message to clipboard for use in other apps Please check our website www.4us.jp Thank you!

About

Multi Tuner

This utility app offers precise tuning for a wide variety of musical instruments, from guitars and ukuleles to more specialized instruments like bagpipes and pipe organs. It features automatic pitch recognition and high accuracy, with a free trial period and options for in-app purchases to unlock full functionality for specific instrument types.

Highlights
  • Tuning for numerous instrument types
  • Automatic pitch recognition
  • High detection accuracy (better than 0.1 cents)
  • 30-day free trial of all functions
  • In-app purchases for instrument types
  • Supports iCloud
Features
Read full description

The tuner can be used for tuning of many types of musical instruments which include Flue Pipe, Reed Pipe, Accordion, Great Highland Bagpipe, Pipe Organ, Brass Instrument, Hammered Dulcimer, Hammered Dulcimer402, Guitar, Chinese Zither, Ukulele, Harp, Pipa, Bowed String, Violin, Viola, Cello. You can use all functions within 30 days of first download, and after 30 days you can tuning several notes for free if you don't purchase any instrument type in-app. Main characteristics: The detection accuracy is better than 0.1 cents. It can automatically recognize the pitch of each key or string. App limitations: Within 30 days of the first start-up of this App, you can use all of the functions (*). After this deadline, the use of functions will be limited. These limitations include that you can only tune several tones for each instrument type, you cann’t choose other temperament and tuning type, and you cann’t modify the note pitch. When a type of instrument is purchased in-app, all restrictions on the type of instrument will be lifted.\ * Make sure iCloud is available for this App.

Screenshots

AEI Keyboard Note Dutch3 screens
Multi Tuner3 screens

Verdict

The call

The clearest difference is in-app purchases: AEI Keyboard Note Dutch at none against Multi Tuner's 10. Multi Tuner's advantage is update cadence (every 2 months vs every 31 months) and iOS requirement (12.0 vs 15.6). On price, ads 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. Multi Tuner sells 10 one-off in-app purchases. AEI Keyboard Note Dutch asks for nothing beyond the download.

UpkeepUpdate frequency

AEI Keyboard Note Dutch ships an update every 31 months, Multi Tuner every 2 months. The most recent releases landed on October 14, 2026 and October 5, 2026 respectively.

Scorecard3 real differences · 6 level
AEI Keyboard Note Dutch versus Multi Tuner: the parameters behind the verdict, then further details
ParameterAEI Keyboard Note DutchMulti Tuner
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 31 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.612.0 — better
Further details — not scored
Size3 MB10 MB
Age rating4+4+
Developer4us绍军 初

In-app purchases

None

AEI Keyboard Note Dutch

No in-app purchases

10 purchases

Multi Tuner

One-time10
  • Guitar$1.99
  • Hammered Dulcimer$19.99
  • Hammered Dulcimer 402$19.99
Show 7 more
  • Great Highland Bagpipe$19.99
  • Reed Pipe$19.99
  • Brass$19.99
  • Accordion$19.99
  • Flue Pipe$19.99
  • Harp$29.99
  • Pipe Organ$49.99

Questions

Is AEI Keyboard Note Dutch free?
AEI Keyboard Note Dutch is free to download, with no in-app purchases.
Is Multi Tuner free?
Multi Tuner is free to download, with in-app purchases available.
Do AEI Keyboard Note Dutch or Multi Tuner have ads?
Neither AEI Keyboard Note Dutch nor Multi Tuner shows ads.
Which is updated more often, AEI Keyboard Note Dutch or Multi Tuner?
AEI Keyboard Note Dutch ships an update every 31 months, and Multi Tuner every 2 months. Most recently, AEI Keyboard Note Dutch was updated on October 14, 2026 and Multi Tuner on October 5, 2026.

Other comparisons