Comparison

DUO vs Milkplan App

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

Head to head

DUO

Free

🔧 Utilities

★ 2.586 ratingsView app →

About

DUO

This multi-functional storage device offers a dual connector for seamless file transfer and management between Apple devices and computers. It allows for backing up contacts, streaming high-definition videos, and managing files directly from the device.

Highlights

Dual USB and Lightning connectors
Contact backup and restore
Independent music and video playback
1080p video streaming
File management (copy, delete, export)
Browse external and local files

Features

Read full description

DUO-LINK 3 is a multi-functional storage device for Mac, PC, iPad, iPhone, and iPod touch. DUO-LINK 3 has a standard USB interface and a lightning connector for iPhone and iPad. Free up space on your iPhone and iPad. Transfer and share files between your iPhone, iPad & Mac or PC quickly and easily. DUO-LINK 3 Functions： ● Contact list backup and restore. ● Supports independent music and video playback. ● Stream 1080p videos directly from DUO-LINK 3. ● File management operations such as copy, delete, export etc. ● Browse files store on DUO-LINK 3 Drive. ● Browse local files stored within DUO-LINK 3 App. ● Transfer media and files from iPhone to DUO-LINK 3 Drive. Compatibility： ● IOS 9 and older versions. Compatible with : iPhone 6 Plus, iPad 4th Generation and older devices. ● PCs running Windows XP, Windows 7, and Windows 8. ● Mac computers running Mac OS 10.5 or later.

About

Milkplan App

Features

Read full description

Com o Milkplan App você pode realizadas todos os seus diagnósticos de forma simples e prática. Com ou sem acesso a internet. Coletando os dados sem internet basta enviá-los ao chegar em um local com conexão com Wi-fi ou 4G.

Screenshots

DUO4 screens

Milkplan App4 screens

Verdict

The call

The clearest difference is update cadence: DUO at every 3 months against Milkplan App's every 8 months. DUO also leads on iOS requirement (8.0 vs 16.4). 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

DUO ships an update every 3 months, Milkplan App every 8 months. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

Scorecard2 real differences · 8 level

DUO versus Milkplan App: the parameters behind the verdict, then further details
Parameter	DUO	Milkplan App
Price	Free	Free
Rating	2.5 (86 ratings) — better	—
Positive reviews	14.5% of reviews	—
Number of ratings	86 — better	—
Update frequency	Every 3 months — better	Every 8 months
Ads	No	No
In-app purchases	No	No
Monetization	Free	—
Devices	iPhone, iPad, iPod — better	iPhone, iPad
Requires iOS	8.0 — better	16.4
Further details — not scored
Size	34 MB	38 MB
Age rating	4+	4+
Developer	Gopod Group Limited	DINNI SOLUCOES EM SISTEMAS LTDA

Bugs and requests

DUO

Reported bugs

21 issues

App crashes when playing MP3 files
App crashes when transferring large files
App crashes when viewing videos
App crashes when adjusting volume during video playback
App crashes when copying photos

Show 16 more

App crashes after 15-20 seconds of use
Cannot recognize iPhone 8, iPhone X, iPhone 14, iPhone 16 Pro
Hardware not detected despite proper connection
Files show as transferred but remain on device
Duplicate file errors during transfer
File names corrupted with special characters
Cannot delete files after transfer
App closes when opening audio files
Cannot access audio files after update
App bloats to 1-2GB after initial use
Incompatible with iOS 11 and later versions
LED light not activating on connection
Chinese language files appearing unexpectedly
Cannot read flash drive after disconnect/reconnect
File transfer progress not completing despite appearing to work
Photos not visible in app despite being on device

Requested features

15 requests

Video thumbnail preview functionality
File sharing with other applications
Password/file locking capability
Ability to select multiple files in view mode
Wireless streaming to Apple TV

Show 10 more

Root folder naming per device
Ability to rename files on iPhone
Create folders and organize files
App storage on external drive
Better PDF reader for stored files
Fast forward/rewind for audio/video
Playback resume from last location
Bookmark functionality for media
Live photo support
Document transfer capability

Milkplan App

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

DUO

No in-app purchases

None

Milkplan App

No in-app purchases

Questions

Is DUO free?

DUO is free to download, with no in-app purchases.

Is Milkplan App free?

Milkplan App is free to download, with no in-app purchases.

Do DUO or Milkplan App have ads?

Neither DUO nor Milkplan App shows ads.

Which is updated more often, DUO or Milkplan App?

DUO ships an update every 3 months, and Milkplan App every 8 months. Most recently, DUO was updated on October 28, 2026 and Milkplan App on October 24, 2026.