Comparison

TimingMachine vs Add Times

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

Head to head
About

TimingMachine

This tool helps determine and compare engine timing for 2-stroke engines. It calculates piston positions, the effect of spacers, and offers graphical representations. Results can be exported as PDF or with custom text and images.

Highlights
  • Convert measurements to engine timings
  • Convert engine timings to measurements
  • Compare engine timings
  • Calculate cylinder spacer effects
  • Graphical representation of timings
  • Export results as PDF
  • Snapshot function for storing setups
Features
Read full description

TimingMachine is a comprehensive tool for determining the control times of plate and slot controlled 2-stroke engines. With functions for the determination and comparison of timing, determination of piston positions in the cylinder, effect of different spacers as well as the export possibility of determined values, it is currently probably the most comprehensive tool of this kind. The functions at a glance ... - Conversion of measurements (mm) into engine timings (degree) - Conversion of engine timings (degree) into measurements (mm) - Comparison of two different engine timings and their effects - Conversion from pinch edge to piston position - Calculation of different cylinder spacers on the engine timings - Graphical representation of the engine timings - Export of result data sheets as PDF - Extended export with own texts and images - Easy-to-understand user interface - Does not need an active Internet connection New! Snapshot function - Store as many setups as you want and use them whenever you need them - Add your own remarks to every setup stored - Get a quick overview of all important information at a finger tip - Name every stored setup as you like

About

Add Times

This utility app simplifies time calculations by adding hours and minutes. It's ideal for logging machine running times, flight logs, or driving durations. The app is free, open-source, and prioritizes user privacy by not collecting data.

Highlights
  • Adds hours and minutes
  • Records machine running times
  • Calculates flight times
  • Logs driving durations
  • Free and open-source
  • Non-commercial
  • No user data collection
Features
Read full description

Add Times is a simple calculator app that adds times given in hours and minutes. It helps with the recording of machine running times, with the addition of flight times in your pilots' flight log, or your driving times as a truck driver. The app is free, open source, 100% non-commercial and does not collect user data.

Screenshots

TimingMachine4 screens
Add Times2 screens

Verdict

The call

The clearest difference is price: Add Times at Free against TimingMachine's $8.99. Add Times also leads on iOS requirement (14.0 vs 26.0). On review sentiment, update cadence, ads and in-app purchases there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Add Times is free to download; TimingMachine costs $8.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

TimingMachine ships an update every 11 days, Add Times every 3 weeks. The most recent releases landed on September 21, 2026 and June 1, 2026 respectively.

Scorecard3 real differences Β· 5 level
TimingMachine versus Add Times: the parameters behind the verdict, then further details
ParameterTimingMachineAdd Times
Price$8.99Free β€” better
Positive reviews100.0% of reviews100.0% of reviews
Update frequencyEvery 11 days β€” betterEvery 3 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree β€” better
DevicesiPhone, iPadiPhone, iPad, iPod β€” better
Requires iOS26.014.0 β€” better
Further details β€” not scored
Size32 MB27 MB
Age rating4+4+
Developerkeywerks GmbHAkademische Fliegergruppe Freiburg i. Br. e. V.

Customer experience

TimingMachine

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Add Times

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

TimingMachine

No in-app purchases

None

Add Times

No in-app purchases

Questions

Is TimingMachine free?
TimingMachine costs $8.99, with no in-app purchases.
Is Add Times free?
Add Times is free to download, with no in-app purchases.
Do TimingMachine or Add Times have ads?
Neither TimingMachine nor Add Times shows ads.
Which is updated more often, TimingMachine or Add Times?
TimingMachine ships an update every 11 days, and Add Times every 3 weeks. Most recently, TimingMachine was updated on September 21, 2026 and Add Times on June 1, 2026.

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