Comparison

iSafe Pro vs Tire Calculator (Offset&Speed)

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

Head to head
About

iSafe Pro

Secure your sensitive documents, photos, and videos with a digital vault. This app offers multiple unlock methods, including a fake code to hide specific content from prying eyes. Organize your files into categories and enjoy a powerful video player and private browser.

Highlights
  • Passcode and fakecode security
  • Multiple login styles
  • Organized file categories
  • Powerful video player
  • Private browser
  • Support for various file formats
Features
Read full description

- Limited time on SALES only - Get it before the price raise up!!! *** App of the Day *** Top Overall in 25 countries Top Utility in 58 countries If you want to protect your documents from spying eyes, then iSafe is for you. This app is like a real safe for your iPhone, locked away with. special code. And you even hide Top Secret stuff from extra curious, like girlfriends, by giving them a fake code that only allows them to see certain content-sneaky ;) An app that could just save your life! Awesome Features: • Passcode & Fakecode You can unlock the app by using either passcode or fakecode. Passcode: Both unlocked and locked items will be shown Fakecode: Only unlocked items will be shown Confidential: Enter the passcode, pull down and refresh to show the confidential directories. So, enter the fakecode if your girlfriend asks you to unlock iSafe. • Login Styles You can choose many unlock tricks, such as 4 numeric password, 9 dots lock, or disguise as piano, xylophone, ATM… • Best Organization All files will be assigned to three categories: Photos, Movies and Docs. You can create locked albums, movie clips or directories in each categories. • Powerful Video Player iSafe can play almost all formats of video, no need to convert anymore. • Private Browser Hide your footprint. Supports Various File Formats - Images: png, jpg, jpeg, bmp, tif, gif - Videos: mp4, mov, m4v, 3gp, flv, f4v, mpg, mpeg, wmv, rmvb, mkv, asf, webm - Audios: mp3, m4a, m4r, aac, caf, wma - Plain Text: txt, php, cgi, asp, h, m, c (editable) - Rich Text: rtf, pdf - iWorks: pages, numbers, key - MS Office: doc, xls, ppt, docx, xlsx, pptx - Web: htm, html, webarchive - Archive: zip, rar - Others: …… (unreadable, save only) Multi-language: more then 20 languages, including Hindi, Persian. ####################### iSafe in Apple Watch Tutorial: 1. Open the iSafe in iPhone 2. Pull the navigation bar to right to show the menu 3. Press the gear in the top of menu and go to Settings page 4. Press the information button in the top right corner of the Settings page, you can see the tutorial page.

About

Tire Calculator (Offset&Speed)

Easily calculate wheel offset and speedometer errors after tire changes. This tool helps determine changes in rim position, tread width, and actual speed versus displayed speed. It also offers GPS-based speedometer error measurement.

Highlights
  • Wheel offset calculation
  • Speedometer error calculation
  • GPS speedometer error measurement
  • Rim position change calculation
  • Tread width change calculation
  • Actual speed vs. meter display
Features
Read full description

Easily calculate the effects of wheel and tire size changes A convenient calculation tool for anyone considering wheel upgrades, tire size changes, or fitment adjustments. Simply enter your current and new specifications to quickly compare the impact on your vehicle. -Main Features -Wheel Comparison •Calculate inner rim position changes •Calculate outer rim position changes •Calculate tread width changes -Tire Comparison •Calculate speedometer error (%) •Compare indicated speed and actual speed •Vehicle-specific speedometer error can also be included in calculations -Speedometer Error Measurement •Accurate GPS-based speed measurement -Data Storage •Save comparison records -Important Notes Measurement results may vary depending on GPS reception and environmental conditions. Use measured values as a reference only. Actual wheel and tire dimensions may vary by manufacturer and model. Calculation results are for reference purposes only. Always consult a qualified professional before making vehicle modifications. The developer assumes no responsibility for any damages or issues resulting from the use of this application. -Specifications Wheel Offset Calculator •Rim Width (in): 3" to 16" (supports 0.25" increments) •Offset (mm): -60 to +70 •Backspacing (in): 3" to 13" Speedometer Error Calculator •Tire Width (mm): 125 to 405 •Aspect Ratio (%): 20 to 90, including 82 (R) •Supports 82-series radial tires commonly used on vans and light trucks •Rim Diameter (in): 10 to 32 •Direct Tire Diameter Input: 100 to 1500 mm or 4 to 60 in •Vehicle Speedometer Error Correction (%): -20 to +20 Speedometer Error Measurement •Measurable speed range: 10 to 200 km/h or 10 to 200 mph

Screenshots

iSafe Pro4 screens
Tire Calculator (Offset&Speed)3 screens

Verdict

The call

The clearest difference is rating: Tire Calculator (Offset&Speed) at 5.0 against iSafe Pro's 4.1. Tire Calculator (Offset&Speed) also leads on in-app purchases (none vs 1) and ads (none vs shown). iSafe Pro's advantage is update cadence (fortnightly vs every 4 months) and ratings volume (711 vs 3). On 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

iSafe Pro costs $0.99 and Tire Calculator (Offset&Speed) $1.99 up front. iSafe Pro sells 1 one-off in-app purchase. Tire Calculator (Offset&Speed) asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Tire Calculator (Offset&Speed) holds the better App Store score, 5.0 against 4.1. That said, the two scores are not equally well evidenced: iSafe Pro has 711 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 62% of iSafe Pro's written reviews are positive against 86% of Tire Calculator (Offset&Speed)'s.

UpkeepUpdate frequency

iSafe Pro ships an update fortnightly, Tire Calculator (Offset&Speed) every 4 months. Both last shipped on November 6, 2026.

Scorecard9 real differences · 1 level
iSafe Pro versus Tire Calculator (Offset&Speed): the parameters behind the verdict, then further details
ParameteriSafe ProTire Calculator (Offset&Speed)
Price$0.99 — better$1.99
Rating4.1 (711 ratings)5.0 (3 ratings) — better
Positive reviews62.3% of reviews85.7% of reviews — better
Number of ratings711 — better3
Update frequencyFortnightly — betterEvery 4 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS11.0 — better26.0
Further details — not scored
Size107 MB9 MB
Age rating17+4+
DeveloperFanshipSatoshi Mori

Customer experience

iSafe Pro

All ratings711 ratings
Positive75.7%
Neutral7.9%
Negative16.5%
Written reviews1,264 reviews
Positive62.3%
Neutral8.2%
Negative29.5%

Tire Calculator (Offset&Speed)

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews7 reviews
Positive85.7%
Neutral0.0%
Negative14.3%

Bugs and requests

iSafe Pro

Reported bugs

4 issues
  • Defaulted websites no longer supported
  • Crashes on certain actions
  • Incompatible with iOS 16
  • Loss of data after updates

Requested features

4 requests
  • File sharing between devices
  • Permanent passcode
  • Improved video playback
  • Local network support

Tire Calculator (Offset&Speed)

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

iSafe Pro

One-time1
  • Remove Ads$0.99
None

Tire Calculator (Offset&Speed)

No in-app purchases

Questions

Is iSafe Pro free?
iSafe Pro costs $0.99, and also offers in-app purchases.
Is Tire Calculator (Offset&Speed) free?
Tire Calculator (Offset&Speed) costs $1.99, with no in-app purchases.
Which has better reviews, iSafe Pro or Tire Calculator (Offset&Speed)?
Tire Calculator (Offset&Speed) is rated higher. iSafe Pro averages 4.1 out of 5 from 711 ratings, while Tire Calculator (Offset&Speed) averages 5.0 from 3 ratings.
Do iSafe Pro or Tire Calculator (Offset&Speed) have ads?
iSafe Pro shows ads; Tire Calculator (Offset&Speed) does not.
Which is updated more often, iSafe Pro or Tire Calculator (Offset&Speed)?
iSafe Pro ships an update fortnightly, and Tire Calculator (Offset&Speed) every 4 months. Most recently, iSafe Pro was updated on November 6, 2026 and Tire Calculator (Offset&Speed) on November 6, 2026.

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