Comparison

Mac Tools vs OTG Cloud by Monster Digital

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

Head to head
About

Mac Tools

This utility transforms your smartphone into a sound and vibration detection tool. It assists technicians in pinpointing issues in vehicles and machinery by analyzing rattles, squeaks, and grinding noises. Requires specialized hardware to function.

Highlights
  • Sound and vibration detection
  • Locates defective or worn parts
  • User-friendly interface
  • Analog and digital display options
  • Adjustable sound settings
  • Informative user guide
Features
Read full description

The Mac Tools SmartEAR1 Sound & Vibration Detection app was developed to help assist the service technician in locating and finding defective or worn parts in automobiles, heavy machinery or industrial equipment where vibration, rattles, squeaks and grinding sounds would be associated making the task very difficult or impossible to diagnose. When used with our specially designed hardware kits your smartphone will be transformed into a state of the art Sound & Vibration Detection Technicians Tool allowing for ease of locating and finding those troubled areas. NOTE: Additional hardware is required to use this app. For information on how to purchase hardware please contact your local Mac Tools Distributor or call 1-800-MAC-TOOLS Features: User friendly interface and intuitive operation. Sound level reading displays average, peak and real-time values. Sound level readings are displayed in either Analog or Digital. Analog and Digital readings have 2 display panels the user can choose from. Analog Meter or Analog Wave-Form. Digital Numeric or Digital Bar Graph. Background sound off-setting, sample rates, decibel off-setting can be manually be set. Reset/Refresh buttons reset/refresh values to default settings. Sound Level Reading Sampling Rate Decibel Off-set Master Volume Control User information guide includes informative facts about sound perception and permissible noise level exposure as well as a sound level comparison reference chart. Additional Information: Required: Any iOS device running iOS5.0+. Recommended: iPhone 4 and newer/ iPod Touch 4 and newer. Compatible: iPad 2 and newer.

About

OTG Cloud by Monster Digital

Wirelessly access and share media from SD cards, USB drives, and hard drives on your Apple devices. Stream content, back up files, and even create a Wi-Fi hotspot. The device also functions as a power bank for other gadgets.

Highlights
  • Wireless media access
  • File sharing
  • Video and music streaming
  • File backup
  • Wi-Fi hotspot creation
  • Power bank functionality
Read full description

OTG Cloud by Monster Digital Quick Description Use the Monster Digital OTG Cloud app with the OTG Cloud device (sold separately) to wirelessly access and share videos, photos and music on SD cards, microSD cards, USB flash drives and hard drives through your iPhone, iPad, iPod touch and Mac. Any device with Wi-Fi and our App or a browser to can access memory connected to OTG Cloud to upload, download and stream. OTG Cloud App and Device Use Scenarios Road trips - access movies via iPad, Mac, iPhone, Tablet, SmartPhone etc. At work - collaborate by sharing files wirelessly, no other network required. On a trip - wirelessly share the day's photos and videos with the group. Backup your files. Wired internet access but no wireless network? - Plug in the Ethernet cable to make a hot-spot. Use the onboard battery as a power bank and charge other devices. OTG Cloud Device (sold separately) Access USB hard drives up to 2TB Read and write to SD and microSD cards up to 64GB An unlimited number of users can connect via Wi-Fi Stream 1080p to 3 devices or 720p to 5 devices Create a wireless access point with internet router functions 2000mAh battery for 5 hours of use and can charge other devices via USB *Not a cellular device and no monthly fees. System Requirements iOS 5 or higher Mac OSX 10.6 or higher Compatibility Compatible with all iOS supported file types. Memory connected to OTG Cloud can store any file but your device must support the file type to read it. For any Assistance or Support Please Contact: support@monsterdigital.com FAQ - http://support.monsterdigital.com/hc/en-us Product Info - http://www.monsterdigital.com/wireless-streaming/otg-cloud Copyright (C) 2014 Monster Digital

Screenshots

Mac Tools4 screens
OTG Cloud by Monster Digital4 screens

Verdict

The call

Mac Tools and OTG Cloud by Monster Digital both sit at 2.3 stars, but that hides the real split: 50% of Mac Tools's written reviews are positive against 16% of OTG Cloud by Monster Digital's. OTG Cloud by Monster Digital's advantage is update cadence (every 5 weeks vs every 22 months) and ratings volume (60 vs 3). On price, rating, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 2.3 for Mac Tools against 2.4 for OTG Cloud by Monster Digital. That said, the two scores are not equally well evidenced: OTG Cloud by Monster Digital has 60 ratings behind it against 3, so its average is the more settled of the two. Written reviews are what separate them: 50% of Mac Tools's written reviews are positive against 16% of OTG Cloud by Monster Digital's.

UpkeepUpdate frequency

Mac Tools ships an update every 22 months, OTG Cloud by Monster Digital every 5 weeks. The most recent releases landed on September 11, 2026 and September 19, 2026 respectively.

Scorecard4 real differences · 6 level
Mac Tools versus OTG Cloud by Monster Digital: the parameters behind the verdict, then further details
ParameterMac ToolsOTG Cloud by Monster Digital
PriceFreeFree
Rating2.3 (3 ratings)2.4 (60 ratings) — better
Positive reviews50.0% of reviews — better16.0% of reviews
Number of ratings360 — better
Update frequencyEvery 22 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.06.0 — better
Further details — not scored
Size12 MB17 MB
Age rating4+4+
DeveloperJS Products, Inc.SDJ Technologies, Inc

Customer experience

Mac Tools

All ratings3 ratings
Positive33.3%
Neutral0.0%
Negative66.7%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

OTG Cloud by Monster Digital

All ratings60 ratings
Positive26.7%
Neutral13.3%
Negative60.0%
Written reviews50 reviews
Positive16.0%
Neutral10.0%
Negative74.0%

Bugs and requests

Mac Tools

Not enough reviews yet to summarise bugs or requests.

OTG Cloud by Monster Digital

Reported bugs

7 issues
  • App no longer works with iOS 11 and later
  • Cannot transfer files by plugging in phone
  • Music player stops after one song
  • Video plays only in portrait mode
  • App freezes when accessing media server
Show 2 more
  • Cannot read photos from camera SD cards
  • Wi-Fi keeps flashing and stops working

Requested features

9 requests
  • Update the app for current iOS versions
  • Support 'Open In...' functionality for all file types
  • Improve music player functionality (playlists, continuous play)
  • Enable landscape mode for video playback
  • Allow import/export of all file types
Show 4 more
  • Add security features for shared networks (password protection for settings)
  • Improve file transfer speed
  • Support .m4v files
  • Allow changing router settings to connect to Wi-Fi

In-app purchases

None

Mac Tools

No in-app purchases

None

OTG Cloud by Monster Digital

No in-app purchases

Questions

Is Mac Tools free?
Mac Tools is free to download, with no in-app purchases.
Is OTG Cloud by Monster Digital free?
OTG Cloud by Monster Digital is free to download, with no in-app purchases.
Which has better reviews, Mac Tools or OTG Cloud by Monster Digital?
OTG Cloud by Monster Digital is rated higher. Mac Tools averages 2.3 out of 5 from 3 ratings, while OTG Cloud by Monster Digital averages 2.4 from 60 ratings.
Do Mac Tools or OTG Cloud by Monster Digital have ads?
Neither Mac Tools nor OTG Cloud by Monster Digital shows ads.
Which is updated more often, Mac Tools or OTG Cloud by Monster Digital?
Mac Tools ships an update every 22 months, and OTG Cloud by Monster Digital every 5 weeks. Most recently, Mac Tools was updated on September 11, 2026 and OTG Cloud by Monster Digital on September 19, 2026.

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