Comparison

Time Calc vs Yonder Offline Reader

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

Head to head
About

Time Calc

Easily add, subtract, and compare times with this intuitive calculator. Perfect for logging hours, tracking shifts, or planning projects, it handles hours, minutes, and seconds with precision. Convert results and sync across devices.

Highlights
  • Add, subtract, multiply, divide time
  • Calculate time differences
  • Add/subtract time from dates
  • Convert results to various units
  • Convert between decimal and HH:MM:SS
  • Save and share calculations
  • iCloud sync
Read full description

TimeCalc – The Simple and Accurate Time Calculator Need to add, subtract or compare times? TimeCalc makes it easy to calculate hours, minutes, and seconds perfect for logging flight hours, tracking work shifts, or planning projects. With a clean interface and powerful tools, you can: - Perform operations on hours, minutes, and seconds (add, subtract, multiply, divide) - Calculate the difference between two dates or times - Add or subtract time from a specific date - Convert results into years, days, hours, minutes, or seconds - Convert between decimal hours and HH:MM:SS format - Save and share important calculations - Sync operations with iCloud across iPhone, iPad, and Mac Why TimeCalc No more guessing or manual math. TimeCalc is trusted by pilots, professionals, and anyone who works with time on a daily basis. TimeCalc Pro – Free Trial Included Unlock the full power of TimeCalc with a 3-day free trial: - Unlimited time operations - Save and export results - iCloud sync across all devices - Beautiful ad-free experience Choose between weekly or annual subscription plans. Cancel anytime. By the way, AppStore reviews are very helpful to us. If you think Time Calc Pro is worthy, would you mind taking a moment to write a nice review? We'd greatly appreciate it. Thanks for using Time Calc! - If you have a question or need immediate support, please send an email to support@8mobile.org. *** Term of Service *** Users who use the Services offered by TimeCalc declare to know and accept these terms and conditions. The Service is provided by the Owner "as is", without any express or implied warranty for its accuracy or availability. The Owner declines all responsibility in case of errors, inaccessibility of the platform, technical problems related to the service or failure to update the data by the suppliers of the same. All data are for information only and have no legal value. The Owner reserves the right, at any time and without notice, to add, remove features or characteristics or suspend or interrupt the provision of the Service, either temporarily or permanently. The User expressly exonerates and relieves the Owner from any liability, to the extent permitted by the applicable law, in relation to any damage claims of any kind and nature of its own and/or third parties including direct, indirect, punitive, incidental, revenue, loss of data or replacement costs arising from or in any way connected to this agreement. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.8mobile.org/privacy-policy/

About

Yonder Offline Reader

Organize and access your files with a multi-column layout and collapsible sections. Search within documents, manage favorites in folders, and receive personalized notifications. Designed with a sleek iOS interface for easy navigation.

Highlights
  • 3-column layout with collapsible sidebar
  • Organize favorites into folders
  • Search within files and table of contents
  • Access personal notifications
  • Sleek iOS interface
Features
Read full description

Check out the new Yonder app designed specifically for iOS! We've added some great new features that are exclusive to the new iOS version, like a 3-column layout with a sidebar where you can collapse and expand sections such as favorites and settings. You can now organize your favorites into folders and search within files, including the table of contents. 
Easily access your personal notifications from the sidebar and stay up to date with the relevant changes, all in the sleek and familiar iOS look that you already know and love.

Screenshots

Time Calc4 screens
Yonder Offline Reader4 screens

Verdict

The call

The clearest difference is in-app purchases: Yonder Offline Reader at none against Time Calc's 4. On price, update cadence, ads 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. Time Calc sells 4 in-app purchases, starting at $2.99 per 7 days. Yonder Offline Reader asks for nothing beyond the download.

UpkeepUpdate frequency

Time Calc ships an update monthly, Yonder Offline Reader every 3 weeks. The most recent releases landed on October 1, 2026 and October 19, 2026 respectively.

Scorecard2 real differences · 8 level
Time Calc versus Yonder Offline Reader: the parameters behind the verdict, then further details
ParameterTime CalcYonder Offline Reader
PriceFreeFree
Rating4.6 (234 ratings) — better—
Positive reviews42.4% of reviews—
Number of ratings234 — better—
Update frequencyMonthlyEvery 3 weeks — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemiumFree — better
DevicesiPhone, iPad, Mac — betteriPhone, iPad
Requires iOS18.018.0
Further details — not scored
Size10 MB18 MB
Age rating4+4+
DeveloperOttorino BruniYonder AG

Bugs and requests

Time Calc

Reported bugs

29 issues
  • Purchase not restoring after device change
  • Cannot restore previous purchase
  • Pop-up ads are irritating
  • Free version doesn't work
  • Purchase not restoring
Show 24 more
  • Cannot subtract without paying
  • Night mode not working
  • Seconds function not working
  • Display issues after update
  • Unable to calculate time passing midnight
  • Free version is very limited
  • Cannot do 2 calculations without ad
  • Pop-up ads interrupt calculations
  • Free version is too limited
  • Cannot do much without paying
  • Only addition in free version
  • Paid for app, not usable
  • Ads are overwhelming
  • Functions don’t work
  • Irritating ads
  • Unskippable ads
  • Basic features locked behind paywall
  • App is a scam
  • Primitive calculator
  • Unusable due to ads
  • Subscription for basic calculator
  • Deceptive practices
  • Expensive subscription
  • Customer service is useless

Requested features

5 requests
  • Ad-free version option
  • Option to negate inputting seconds
  • Improve restore purchase functionality
  • Fix night mode functionality
  • Fix display of numbers before action

Yonder Offline Reader

Not enough reviews yet to summarise bugs or requests.

In-app purchases

4 purchases

Time Calc

Subscriptions3
  • 1 Week3 Days trial$2.997 Days
  • 1 Month$4.991 Month
  • 1 Year$11.991 Year
One-time1
  • Forever$29.99
None

Yonder Offline Reader

No in-app purchases

Questions

Is Time Calc free?
Time Calc is free to download, with in-app purchases available.
Is Yonder Offline Reader free?
Yonder Offline Reader is free to download, with no in-app purchases.
Do Time Calc or Yonder Offline Reader have ads?
Neither Time Calc nor Yonder Offline Reader shows ads.
Which is updated more often, Time Calc or Yonder Offline Reader?
Time Calc ships an update monthly, and Yonder Offline Reader every 3 weeks. Most recently, Time Calc was updated on October 1, 2026 and Yonder Offline Reader on October 19, 2026.

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