Comparison

Chronoplan Timer vs ChronoMaster Air

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

Head to head
About

Chronoplan Timer

Organize and manage multiple timers, intervals, and countdowns with a flexible grouping system. Control timers individually or as a group, set custom alerts, and track time with a clean interface. Unlock full functionality with a one-time purchase.

Highlights
  • Group timers, intervals, and countdowns
  • Individual and group control
  • Schedule multiple alerts
  • Countdown by time or date
  • Customize alert sounds
  • Apple Watch integration
Features
Read full description

Chronoplan is a simple flexible app with groups of timers, intervals, and countdowns that can be started and paused individually or together with others in their group. Its uncluttered modern interface looks great on iPhone, iPad, and Apple Watch. With Chronoplan you can: • Start, pause, and reset timers with Apple Watch • Record time for individual timers • Record separate finish times for timers in a group that started together • Schedule multiple alerts with repeated intervals • Specify countdowns by hours, minutes, and seconds or by date • View timers with widgets on the Home Screen or Lock Screen • Customize alert sounds • Add images from the camera or photo library Note: Some features like the number of timers, groups, and alert sounds are limited. There's one in-app purchase to unlock all features permanently.

About

ChronoMaster Air

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DISCOVER THE HEARTBEAT OF YOUR WATCH! The ChronoMaster Air app determines the most important quality features: rate accuracy, amplitude and beat error. The intuitive app is extremely easy to use, and you can take measurements without having to enter test parameters. It is therefore suitable for quick and concise measurements in your point of sales. With the automatic parameterization, the measurement starts immediately after placement of the watch. Tolerances and measuring time can be set if desired. Up to 3 arbitrary test positions are displayed and evaluated in the clear graphical representation. At the end, you receive an easy-to-understand evaluation considering the specified tolerances. With the sharing function, the results can be passed on to your client via the existing channels on the iPad, such as e-mail CHRONOMASTER AIR The reliable ChronoMaster microphone with built-in smart measurement electronics is even simpler and more user-friendly in the Air version and with the iOS app. The ChronoMaster Air paired with an Apple iPad is an indispensable tool for your points of sale. The built-in rechargeable battery and Bluetooth connection enable the ChronoMaster Air to be used wirelessly and autonomously for up to 20 hours. It requires only little space and can be placed exactly where you need it without any cables getting in the way. IMPORTANT: The app only works in combination with a Witschi ChronoMaster Air

Screenshots

Chronoplan Timer4 screens

Verdict

The call

The clearest difference is in-app purchases: ChronoMaster Air at none against Chronoplan Timer's 1. ChronoMaster Air also leads on update cadence (every 2 months vs every 5 months) and iOS requirement (11.4 vs 18.1). On price, 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. Chronoplan Timer sells 1 one-off in-app purchase. ChronoMaster Air asks for nothing beyond the download.

UpkeepUpdate frequency

Chronoplan Timer ships an update every 5 months, ChronoMaster Air every 2 months. The most recent releases landed on September 29, 2026 and October 3, 2026 respectively.

Scorecard3 real differences · 7 level
Chronoplan Timer versus ChronoMaster Air: the parameters behind the verdict, then further details
ParameterChronoplan TimerChronoMaster Air
PriceFreeFree
Rating4.0 (49 ratings) — better—
Positive reviews64.0% of reviews—
Number of ratings49 — better—
Update frequencyEvery 5 monthsEvery 2 months — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad — betteriPad
Requires iOS18.111.4 — better
Further details — not scored
Size11 MB13 MB
Age rating4+4+
DeveloperTreeness, LLCWitschi Electronic AG

In-app purchases

1 purchases

Chronoplan Timer

One-time1
  • Chronoplan Premium$4.99
None

ChronoMaster Air

No in-app purchases

Questions

Is Chronoplan Timer free?
Chronoplan Timer is free to download, with in-app purchases available.
Is ChronoMaster Air free?
ChronoMaster Air is free to download, with no in-app purchases.
Do Chronoplan Timer or ChronoMaster Air have ads?
Neither Chronoplan Timer nor ChronoMaster Air shows ads.
Which is updated more often, Chronoplan Timer or ChronoMaster Air?
Chronoplan Timer ships an update every 5 months, and ChronoMaster Air every 2 months. Most recently, Chronoplan Timer was updated on September 29, 2026 and ChronoMaster Air on October 3, 2026.

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