Comparison

So flexi vs Circleep

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

Head to head

Sleep Cycle Calculator

Free

💪 Health & Fitness

No ratingsView app →

About

So flexi

Features

Read full description

С помощью приложения So flexi вы можете • Записаться на все занятия и видеть историю ваших посещений • Получать напоминания о занятиях на которые записались • Составить личное расписание. • Быть в курсе наших новинок, мероприятий и ивентов)

About

Circleep

Features

Read full description

Welcome to Circleep – your ultimate sleep companion! Take control of your sleep cycle with personalized insights and recommendations. Understand your sleep patterns, optimize your routine, and wake up feeling refreshed. Say goodbye to restless nights and hello to a healthier sleep with Circleep. Download now and embark on your journey to better sleep!

Screenshots

So flexi4 screens

Circleep4 screens

Verdict

The call

The clearest difference is update cadence: Circleep at every 10 days against So flexi's every 2 months. On price, ads, 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

So flexi ships an update every 2 months, Circleep every 10 days. The most recent releases landed on October 6, 2026 and October 2, 2026 respectively.

Scorecard1 real difference · 5 level

So flexi versus Circleep: the parameters behind the verdict, then further details
Parameter	So flexi	Circleep
Price	Free	Free
Update frequency	Every 2 months	Every 10 days — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPod	iPhone, iPod
Requires iOS	15.0	15.0
Further details — not scored
Size	60 MB	4 MB
Age rating	4+	4+
Developer	Olga Astremska	Mykhailo Bezruchko

In-app purchases

None

So flexi

No in-app purchases

None

Circleep

No in-app purchases

Questions

Is So flexi free?

So flexi is free to download, with no in-app purchases.

Is Circleep free?

Circleep is free to download, with no in-app purchases.

Do So flexi or Circleep have ads?

Neither So flexi nor Circleep shows ads.

Which is updated more often, So flexi or Circleep?

So flexi ships an update every 2 months, and Circleep every 10 days. Most recently, So flexi was updated on October 6, 2026 and Circleep on October 2, 2026.