Comparison

Calmetric vs Momotaro

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

Head to head
About

Calmetric

Gain practical insights into your calendar year with detailed charts and metrics. Break down any date range to identify optimal times for planning, vacations, and deadlines. Enjoy a private, secure, and ad-free experience with a native iOS design.

Highlights
  • Year progress charts
  • Date range breakdown
  • Optimal date identification
  • Native iOS design
  • Private and secure experience
Features
Read full description

Calmetric helps you gain practical insights into the calendar year. Use Calmetric to track the year’s progress, explore different timeframes, and make more informed planning decisions. Features: · See the year’s progress with detailed charts and metrics · Break down any date range into days, nights, weekends, and more · Identify optimal dates for vacations, meetings, and deadlines · Enjoy a native iOS design, using Apple’s latest frameworks and UI guidelines Calmetric provides a private and secure, ad-free experience—no ads, no tracking, ever. Terms of Service: https://crater.tools/calmetric/terms-of-service Privacy Policy: https://crater.tools/calmetric/privacy-policy

About

Momotaro

Enhance your concentration with a distraction-free timer that blocks selected apps. Personalized coaching and immersive soundscapes guide your focus journey, with unlockable themes and progress tracking.

Highlights
  • App blocking during focus sessions
  • Personalized focus coaching powered by Apple Intelligence
  • Immersive ambient soundscapes
  • Unlockable color themes
  • Progress tracking and statistics
  • Home screen widget
Features
Read full description

FOCUS WITHOUT DISTRACTIONS Choose sessions from 5 to 95 minutes. Block distracting apps during focus sessions — pick the apps you want to silence, and Momotaro shields them until your timer ends. PERSONALIZED COACHING Meet your Sensei. Powered by Apple Intelligence, your personal focus coach tracks your journey and delivers tailored guidance based on your habits, time of day, and progress. IMMERSIVE SOUNDSCAPES Six ambient themes designed by Thomas Williams. From vinyl crackle to ocean waves. UNLOCK THEMES THROUGH FOCUS Eight color themes. All unlocked by completing focus sessions. The more you focus, the more you unlock. TRACK YOUR PROGRESS Daily and weekly stats. Session history. Streaks. Shareable achievement cards. HOME SCREEN WIDGET Your focus status at a glance. NO SUBSCRIPTION REQUIRED All themes unlock through use. Available in English, Spanish, and Catalan. Clean, minimalist design. Dark mode support. Imagined and crafted in Barcelona by Apa Apps. Sound design by Thomas Williams. Animations by Pedro Alpera.

Screenshots

Calmetric4 screens
Momotaro3 screens

Verdict

The call

The clearest difference is rating: Calmetric at 5.0 against Momotaro's 4.7. On price, review sentiment, ratings volume and update cadence 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.

ReceptionRating · Positive reviews · Number of ratings

Calmetric holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 4 and 3 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

Calmetric ships an update monthly, Momotaro every 2 weeks. Both last shipped on October 24, 2026.

Scorecard1 real difference · 9 level
Calmetric versus Momotaro: the parameters behind the verdict, then further details
ParameterCalmetricMomotaro
PriceFreeFree
Rating5.0 (4 ratings) — better4.7 (3 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings4 — better3
Update frequencyMonthlyEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhoneiPhone
Requires iOS18.617.6 — better
Further details — not scored
Size6 MB49 MB
Age rating4+4+
DeveloperPiotr BakkerFerreiro Ruiz Orlando

Customer experience

Calmetric

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Momotaro

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Calmetric

No in-app purchases

None

Momotaro

No in-app purchases

Questions

Is Calmetric free?
Calmetric is free to download, with no in-app purchases.
Is Momotaro free?
Momotaro is free to download, with no in-app purchases.
Which has better reviews, Calmetric or Momotaro?
Calmetric is rated higher. Calmetric averages 5.0 out of 5 from 4 ratings, while Momotaro averages 4.7 from 3 ratings.
Do Calmetric or Momotaro have ads?
Neither Calmetric nor Momotaro shows ads.
Which is updated more often, Calmetric or Momotaro?
Calmetric ships an update monthly, and Momotaro every 2 weeks. Most recently, Calmetric was updated on October 24, 2026 and Momotaro on October 24, 2026.

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