Comparison

Cavnter vs Synaptic Flow

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

Head to head
About

Cavnter

Features
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Cavnter is a daily tracker for calories, habits, or any unit you count. Spin the wheel, tap a quantity, and the day updates. Swipe to move between days. Open the calendar to review your progress over time. TRACK YOUR WAY • Wheel input: spin to pick a quantity, with haptic ticks. • Quantity buttons: set your own one-tap amounts. • Calorie calculator: enter the kcal and protein per 100 g, enter the grams you ate, and log the result. • Favorites: save frequent entries and log them with one tap. • Daily max: set a limit and watch each day fill toward it. • Notes: keep short notes for every day. • Calendar: see all your days at a glance. • Presets: start as a calories tracker or as a single-unit counter. • Reminders: local notifications nudge you to log. YOUR DATA STAYS YOURS Cavnter has no account and no sign-up. Everything you track stays on your device. The app collects no analytics, shows no ads, and uses no third-party tracking. Export a JSON backup at any time from Settings and store it wherever you want.

About

Synaptic Flow

Features
Read full description

Synaptic Flow helps you train memory, improve focus, sharpen logic, and build stronger mental agility through daily brain challenges designed for consistent cognitive progress. Challenge your brain every day with carefully designed exercises across memory, logic, visual attention, quick math, and focus training — all inside a clean and engaging experience built for daily improvement. Features: • Daily brain challenges • Memory games and focus exercises • Logic and quick math training • Visual attention tasks • Cognitive performance tracking • Daily streak system • Weekly progress insights • Personalized challenge flow Train regularly to improve concentration, reaction speed, and mental flexibility while keeping your mind active through enjoyable cognitive exercises.

Screenshots

Cavnter4 screens
Synaptic Flow4 screens

Verdict

The call

The clearest difference is ads: Cavnter at none against Synaptic Flow's shown. Cavnter also leads on update cadence (every 13 months vs every 39 months). Synaptic Flow's advantage is device support (3 vs 1). On price, in-app purchases and iOS requirement there is nothing between them.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Cavnter ships an update every 13 months, Synaptic Flow every 39 months. Both last shipped on October 27, 2026.

Scorecard3 real differences Ā· 3 level
Cavnter versus Synaptic Flow: the parameters behind the verdict, then further details
ParameterCavnterSynaptic Flow
PriceFreeFree
Update frequencyEvery 13 months — betterEvery 39 months
AdsNo — betterYes
In-app purchasesNoNo
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS16.4 — better17.0
Further details — not scored
Size40 MB16 MB
Age rating4+9+
DeveloperRuben SospedraZAINAB KICHOU AMANAD

In-app purchases

None

Cavnter

No in-app purchases

None

Synaptic Flow

No in-app purchases

Questions

Is Cavnter free?
Cavnter is free to download, with no in-app purchases.
Is Synaptic Flow free?
Synaptic Flow is free to download, with no in-app purchases.
Do Cavnter or Synaptic Flow have ads?
Synaptic Flow shows ads; Cavnter does not.
Which is updated more often, Cavnter or Synaptic Flow?
Cavnter ships an update every 13 months, and Synaptic Flow every 39 months. Most recently, Cavnter was updated on October 27, 2026 and Synaptic Flow on October 27, 2026.

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