Comparison

Aïda vs Contraction Timer

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

Head to head
About

Aïda

Features
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Search now for your perfect property. Make the smart move and download the Aïda app to access thousands of properties to rent or buy. With easy-to-use search criteria the Aïda app makes it quick and easy to search through all the latest properties, filtering only those properties that relate to your specific search. The app also allows you to quickly contact the relevant agent to find out more detail on a specific property. Hi-resolution pics and at-a-glance property info make this app ideal for finding that perfect property.

About

Contraction Timer

Features
Read full description

Time your contractions and know when it's time to go to the hospital. Contraction Timer tracks duration and interval with a simple start/stop button. It calculates your last 5 and last 10 averages and alerts you when you hit the 5-1-1 rule. KEY FEATURES: * One-Tap Timing - Start and stop with a single button tap * 5-1-1 Hospital Alert - Pulse animation when contractions meet hospital-ready pattern * Running Averages - Average duration and interval for last 5 and last 10 * Contraction Log - Complete history with timestamps * Share Summary - Share with your partner or healthcare provider IMPORTANT: This app is not medical advice. It is for informational purposes only and is not a substitute for professional medical guidance. Always follow your healthcare provider's instructions on when to go to the hospital. The 5-1-1 rule is a general guideline and may not apply to all pregnancies. Free to download. No sign-up. No paywall. Works offline. By Blas Apps - simple calculators that do one thing perfectly.

Screenshots

Aïda4 screens
Contraction Timer4 screens

Verdict

The call

The clearest difference is ads: Aïda at none against Contraction Timer's shown. Contraction Timer's advantage is update cadence (every 2 days vs every 15 months) and iOS requirement (15.1 vs 18.0). On price, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Aïda ships an update every 15 months, Contraction Timer every 2 days. The most recent releases landed on October 3, 2026 and October 7, 2026 respectively.

Scorecard3 real differences · 3 level
Aïda versus Contraction Timer: the parameters behind the verdict, then further details
ParameterAïdaContraction Timer
PriceFreeFree
Update frequencyEvery 15 monthsEvery 2 days — better
AdsNo — betterYes
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPod
Requires iOS18.015.1 — better
Further details — not scored
Size54 MB25 MB
Age rating4+4+
DeveloperProperty24Blas Prieto

In-app purchases

None

Aïda

No in-app purchases

None

Contraction Timer

No in-app purchases

Questions

Is Aïda free?
Aïda is free to download, with no in-app purchases.
Is Contraction Timer free?
Contraction Timer is free to download, with no in-app purchases.
Do Aïda or Contraction Timer have ads?
Contraction Timer shows ads; Aïda does not.
Which is updated more often, Aïda or Contraction Timer?
Aïda ships an update every 15 months, and Contraction Timer every 2 days. Most recently, Aïda was updated on October 3, 2026 and Contraction Timer on October 7, 2026.

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