Comparison

AirMultiChrono vs altimer

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

Head to head
About

AirMultiChrono

Features
Read full description

AirMultiChrono is the simple, powerful, and reliable multi-channel stopwatch for iPhone and iPad. NEW IN VERSION 1.5: •CROLLABLE SETTINGS: The menu now opens as a scrollable sheet, compatible with iOS 26. •ODE INDICATOR: Solo/Multi badge always visible below the top bar. •NTEGRATED NAVIGATION: About, FAQ and Profiles accessible from the Settings sheet. KEY FEATURES: - Multi-Chronos: Run multiple stopwatches simultaneously. - Flexible Edit Mode: Resize and move each chrono as needed. - Visual and Sound Alarms: Set precise alerts. - Profiles: Save your favorite configurations. Ideal for aviation, cooking, sports, or any activity requiring precise multiple time tracking.

About

altimer

Features
Read full description

A timer app with two personalities. [Mugen-setsu] - Line up as many countdowns as you want under one parent stopwatch. - Start the parent and every child timer runs at once. - Each child rewinds automatically at zero and keeps counting how many laps it has run. - Tap a row to pause/resume it individually; reset from the editor. - Color, label, and minute/second settings. Sound and vibration on every lap. [Kozeriai] - A quick one-shot timer (10 minutes by default). It stops with sound and vibration when it reaches zero. - Everything stays on your device. No account, no network. - Works on iPhone and iPad. For every moment you want repetition counted properly.

Screenshots

AirMultiChrono2 screens
altimer2 screens

Verdict

The call

The clearest difference is in-app purchases: altimer at none against AirMultiChrono's 3. altimer also leads on update cadence (daily vs every 2 days). On price, ads, device support and iOS requirement 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. AirMultiChrono sells 3 one-off in-app purchases. altimer asks for nothing beyond the download.

UpkeepUpdate frequency

AirMultiChrono ships an update every 2 days, altimer daily. The most recent releases landed on October 5, 2026 and September 30, 2026 respectively.

Scorecard2 real differences · 4 level
AirMultiChrono versus altimer: the parameters behind the verdict, then further details
ParameterAirMultiChronoaltimer
PriceFreeFree
Update frequencyEvery 2 daysDaily — better
AdsNoNo
In-app purchasesYesNo — better
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.616.4 — better
Further details — not scored
Size16 MB36 MB
Age rating4+4+
DeveloperValerie OteroMasahiro Sone

In-app purchases

3 purchases

AirMultiChrono

One-time3
  • Small coffee$1.99
  • Medium coffee$3.99
  • Large coffee$5.99
None

altimer

No in-app purchases

Questions

Is AirMultiChrono free?
AirMultiChrono is free to download, with in-app purchases available.
Is altimer free?
altimer is free to download, with no in-app purchases.
Do AirMultiChrono or altimer have ads?
Neither AirMultiChrono nor altimer shows ads.
Which is updated more often, AirMultiChrono or altimer?
AirMultiChrono ships an update every 2 days, and altimer daily. Most recently, AirMultiChrono was updated on October 5, 2026 and altimer on September 30, 2026.

Other comparisons