Comparison

i vs OTG Flash Pro

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

Head to head

About

i

Easily manage all your files on iOS devices. Backup contacts and camera roll, play media, and preview documents and images. Supports a wide range of file formats for seamless transfer between devices.

Highlights

File management for iOS
Backup contacts and camera roll
Media playback (video, music)
Document and image preview
Cross-device file exchange
Wide file format support

Read full description

The App is the best way to manage all your files on iOS devices,Exchanges files with different devices & platforms with ease. 1.Backup Contacts and Camera Roll. 2.Play Videos,Musics. 3.Preview Images,World. Supported File Formats: Document:DOC,XLS,PPT,TXT,else; Image:JPG,JPEG,BMP,GIF,else; Audio:MP3,AAC,AIF,else; Video:MP4,MOV,MKV,AVI,FLV,RMVB,ELSE;

About

OTG Flash Pro

Read full description

OTG Flash Pro helps you easily manage files on your USB drive, classify and view files, and backup and restore photo albums and contacts for you.

Screenshots

i3 screens

OTG Flash Pro4 screens

Verdict

The call

The clearest difference is update cadence: OTG Flash Pro at every 10 days against i's every 3 weeks. i's advantage is iOS requirement (9.0 vs 14.0). 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

i ships an update every 3 weeks, OTG Flash Pro every 10 days. The most recent releases landed on October 6, 2026 and October 1, 2026 respectively.

Scorecard2 real differences · 6 level

i versus OTG Flash Pro: the parameters behind the verdict, then further details
Parameter	i	OTG Flash Pro
Price	Free	Free
Positive reviews	0.0% of reviews	—
Update frequency	Every 3 weeks	Every 10 days — better
Ads	No	No
In-app purchases	No	No
Monetization	Free	—
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	9.0 — better	14.0
Further details — not scored
Size	49 MB	136 MB
Age rating	4+	4+
Developer	zhong qibiao	裕雨程

In-app purchases

None

i

No in-app purchases

None

OTG Flash Pro

No in-app purchases

Questions

Is i free?

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

Is OTG Flash Pro free?

OTG Flash Pro is free to download, with no in-app purchases.

Do i or OTG Flash Pro have ads?

Neither i nor OTG Flash Pro shows ads.

Which is updated more often, i or OTG Flash Pro?

i ships an update every 3 weeks, and OTG Flash Pro every 10 days. Most recently, i was updated on October 6, 2026 and OTG Flash Pro on October 1, 2026.