Comparison

Chronometer vs Retroaction

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

Head to head
About

Chronometer

This interval timer is designed for various training routines, including weightlifting, HIIT, and boxing. It offers customizable timers, repetitions, and sound alerts to guide your workouts. Save and load your training plans for easy access and progress tracking.

Highlights
  • 3 programmable timers
  • Customizable time settings
  • Customizable repetitions
  • Save and load training plans
  • Audible alerts
  • Speaking coach
  • Visual cues
Features
Read full description

This app is an awesome training timer for lifting weights, exercise, workout, stretching, boxing, MMA or HIIT, this interval timer will prove to be an invaluable asset for your HIIT interval training. FEATURES: * 3 programmable timers * Customize all time settings * Customize number of exercises * Customize number of repetitions * Save and load plannings * easy to hear alerts * pause and resume session * restart session where you left off if interrupted * Set sound volume * screen changecolor for visual cue * Speaking coach If you like this app please consider writing a positive review on the App Store, thank you. This will help us to add new features, fix any bugs, and improve app.

About

Retroaction

This app helps members of sports organizations manage their attendance for activities. Users can view team details and communicate with others through integrated chat rooms.

Highlights
  • Mark attendance
  • View group/team details
  • In-app chat rooms
  • Communication features
Features
Read full description

The Retroaction application allows members of a sports association or organization to indicate their presence or absence at different activities. They can also consult the details of their group or team as well as communicate using the chat rooms.

Screenshots

Chronometer4 screens
Retroaction4 screens

Verdict

The call

The clearest difference is in-app purchases: Retroaction at none against Chronometer's 1. Retroaction also leads on update cadence (every 2 weeks vs every 37 months) and review sentiment (21% vs 0%). Chronometer's advantage is ads (none vs shown). On price, 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. Chronometer sells 1 one-off in-app purchase. Retroaction asks for nothing beyond the download.

UpkeepUpdate frequency

Chronometer ships an update every 37 months, Retroaction every 2 weeks. The most recent releases landed on September 22, 2026 and September 23, 2026 respectively.

Scorecard5 real differences · 5 level
Chronometer versus Retroaction: the parameters behind the verdict, then further details
ParameterChronometerRetroaction
PriceFreeFree
Rating3.0 (3 ratings) — better—
Positive reviews0.0% of reviews21.4% of reviews — better
Number of ratings3 — better—
Update frequencyEvery 37 monthsEvery 2 weeks — better
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.0 — better15.1
Further details — not scored
Size3 MB46 MB
Age rating4+4+
DeveloperSergio Musoles TornadorRetroaction

Customer experience

Chronometer

All ratings3 ratings
Positive33.3%
Neutral33.3%
Negative33.3%
Written reviews9 reviews
Positive0.0%
Neutral11.1%
Negative88.9%

Retroaction

Written reviews14 reviews
Positive21.4%
Neutral14.3%
Negative64.3%

In-app purchases

1 purchases

Chronometer

One-time1
  • Unlock timer settings$1.99
None

Retroaction

No in-app purchases

Questions

Is Chronometer free?
Chronometer is free to download, with in-app purchases available.
Is Retroaction free?
Retroaction is free to download, with no in-app purchases.
Do Chronometer or Retroaction have ads?
Retroaction shows ads; Chronometer does not.
Which is updated more often, Chronometer or Retroaction?
Chronometer ships an update every 37 months, and Retroaction every 2 weeks. Most recently, Chronometer was updated on September 22, 2026 and Retroaction on September 23, 2026.

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