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

Free

🔧 Utilities

★ 1.9156 ratingsView app →

About

i

Access and manage files stored on your USB flash drive directly from your mobile device. Organize videos, music, documents, and other resources with ease.

Highlights

U disk local view
Storage management
Store video
Store music
Store documents

Features

Read full description

U disk local view, storage. Can store video, music, documents and other resources

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

i1 screens

OTG Flash Pro4 screens

Verdict

The call

The clearest difference is ads: OTG Flash Pro at none against i's shown. OTG Flash Pro also leads on update cadence (every 10 days vs monthly). i's advantage is iOS requirement (8.0 vs 14.0). On price, 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 monthly, OTG Flash Pro every 10 days. The most recent releases landed on September 25, 2026 and September 12, 2026 respectively.

Scorecard3 real differences · 7 level

i versus OTG Flash Pro: the parameters behind the verdict, then further details
Parameter	i	OTG Flash Pro
Price	Free	Free
Rating	1.9 (156 ratings) — better	—
Positive reviews	7.4% of reviews	—
Number of ratings	156 — better	—
Update frequency	Monthly	Every 10 days — better
Ads	Yes	No — better
In-app purchases	No	No
Monetization	Ad-supported	—
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	8.0 — better	14.0
Further details — not scored
Size	72 MB	136 MB
Age rating	17+	4+
Developer	Smartchunk Ltd.	裕雨程

Bugs and requests

i

Reported bugs

7 issues

App crashes on launch
App not opening
App not recognizing drive
Incompatible with iOS 13+
Issues with file transfer

Show 2 more

Corrupted data
Deleted user files

Requested features

4 requests

Add Russian language
Improve file management
Integrate with iPhone Files app
Add dark mode

OTG Flash Pro

Not enough reviews yet to summarise bugs or requests.

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?

i shows ads; OTG Flash Pro does not.

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

i ships an update monthly, and OTG Flash Pro every 10 days. Most recently, i was updated on September 25, 2026 and OTG Flash Pro on September 12, 2026.