Arrow Keys Latin Mail Keyboard vs JD Memory
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Arrow Keys Latin Mail Keyboard
Enhance your typing experience with an extended keyboard featuring special characters for multiple European languages. Easily compose messages, copy text, and send them directly to your mail app.
- Extended keyboard layout
- Special characters for 20+ languages
- Direct 'Go to Mail' function
- One-touch copy to clipboard
- Supports iPad, iPhone, and iPod touch
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With our " Arrow Keys Latin Mail Keyboard", you can write messages easier and faster with our original extended keys! (Only this keyboard work on this app) The original extended keyboard appears above of standard keyboard iPad, which includes major extended characters for users to write text messages faster and easier in languages such as, German, French, Spanish, Portuguese, Italian, Danish, Swedish, Dutch, Czech, Slovak, Esperanto, Estonian, Icelandic, Turkish, Maltese, Norwegian, Hungarian, Finnish, Polish and Romanian, also English. When you finish writing a message, just tap “Go to Mail” button to move the message to "Mail" app. "Copy" key is also equipped Key, so you can copy text you write with a single touch to clipboard and use it in any apps you like easily!! + Want to try this keyboard first for free? - check out "Arrow Keys URL Keyboard Free"! + Please note; * You need to activate standard keyboard/s for your language/s other than iPad's default standard English keyboard in "Settings" of your iPad. (Settings > General > Keyboard > International Keyboards Add New Keyboard...) * You can not use these extended keys in other apps due to the constrained software development environment, which is currently beyond our control. ****************************************************** + Also Available for iPhone & iPod touch + Please check our website!! www.4us.jp/ http://itunes.com/apps/4us/
JD Memory
Manage files and media stored on your Apple USB Drive directly from your device. Browse photos, videos, and music with thumbnail previews, organize documents, and share content easily. Enjoy slideshows for photos and advanced playback options for music.
- Media thumbnail display
- List/thumbnail view
- File sharing
- File operations (copy, cut, delete, create, rename)
- Local/iStorage data transmission
- Photo slideshow
- Music playback with artwork and repeat modes
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“JD Memory” is an application software for Apple USB Drive. •The main interface displays Media thumbnails :video, photo, music • Supports list / thumbnail view, support sharing operation for photos, music and documents • Support copy/cut/delete/create/rename operation and support local/iStorage data transmission . • Support to play the photos by slideshow mode • Support music artwork shows, repeat mode setting, time line drag operation • Document: Support formats of .keynote、.numbers、.page、.xls/.xlsx, .doc/docx、pdf、txt、ppt/pptx
Screenshots
Verdict
The clearest difference is price: JD Memory at Free against Arrow Keys Latin Mail Keyboard's $1.99. JD Memory also leads on rating (2.6 vs 1.0) and ratings volume (37 vs 1). On update cadence, ads and in-app purchases 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
JD Memory is free to download; Arrow Keys Latin Mail Keyboard costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
JD Memory holds the better App Store score, 2.6 against 1.0. That said, the two scores are not equally well evidenced: JD Memory has 37 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 0% of Arrow Keys Latin Mail Keyboard's written reviews are positive against 18% of JD Memory's.
Arrow Keys Latin Mail Keyboard ships an update every 4 months, JD Memory every 3 months. Both last shipped on November 3, 2026.
| Parameter | Arrow Keys Latin Mail Keyboard | JD Memory |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 1.0 (1 ratings) | 2.6 (37 ratings) — better |
| Positive reviews | 0.0% of reviews | 17.9% of reviews — better |
| Number of ratings | 1 | 37 — better |
| Update frequency | Every 4 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPad | iPhone, iPad, iPod — better |
| Requires iOS | 15.6 | 9.0 — better |
| Further details — not scored | ||
| Size | 5 MB | 107 MB |
| Age rating | 4+ | 4+ |
| Developer | 4us | 晓明 徐 |
Customer experience
Arrow Keys Latin Mail Keyboard
JD Memory
Bugs and requests
Arrow Keys Latin Mail Keyboard
Not enough reviews yet to summarise bugs or requests.
JD Memory
Reported bugs
29 issues- Crashes on iPhone
- Does not see ipad files
- App crashes during transfer
- Needing an update
- Does not see any files on the USB drive
Show 24 moreShow fewer
- App crashes, sometimes it still runs pretty good
- Data Collection
- Password not accepting
- Cannot play video list automatically
- App crashes
- Does not work on iPhone 15
- External drive not showing on iPhone
- Drive won't copy one photo
- iPhoneで認識しない。
- Videos won’t fill the full 16:9 tv screen
- Cannot create folders
- App has no available to any files Within the iPhones “FILES” app.
- Cannot sort by size.
- The file name will change automatically
- App crashes, app reloads itself and JDTDC drive is not visible
- iPhone13プロ使用してます。アプリ読み込みません。
- iPhoneのOSをアップデート後、iPhoneで読み込まなくなりました。
- 動画が削除出来ない。
- Doesn’t copy everything
- App crashes constantly
- iPhoneにusbメモリー装着後、データ読み込みで落ちる。
- Software for this drive does not allow you to transfer files on to it.
- 動画コピー中に、アプリがすぐ落ちて全く使い物になりません。
- App does backup photos to the pen stick and preserves the meta data in the file (ie: location, date and time taken etc) however if you then download back to the iPhone or iPad all that information is lost!!!!
Requested features
9 requests- Update software
- Backup Apple TV purchased movies
- Allow sorting by size
- Keep original file names
- Fix videos not filling screen
Show 4 moreShow fewer
- Allow creation of destination folders
- Access files within iPhone's FILES app
- Allow deletion of videos
- Preserve metadata on restore
In-app purchases
Arrow Keys Latin Mail Keyboard
No in-app purchases
JD Memory
No in-app purchases
Questions
Is Arrow Keys Latin Mail Keyboard free?
Is JD Memory free?
Which has better reviews, Arrow Keys Latin Mail Keyboard or JD Memory?
Do Arrow Keys Latin Mail Keyboard or JD Memory have ads?
Which is updated more often, Arrow Keys Latin Mail Keyboard or JD Memory?
Other comparisons
