Comparison

Flow vs zero

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

Head to head
About

Flow

This personal finance tracker allows you to manage your money with ease. It offers full control over your data and can function offline, with features like multiple accounts, currencies, and financial statistics.

Highlights
  • Multiple accounts
  • Multiple currencies
  • Full data control
  • Offline functionality
  • iCloud backup
  • Financial statistics
Read full description

A free and open-source personal finance tracker app built with love. Flow offers full control over you data, and works fully offline*. Features: - Multiple accounts - Multiple currencies - Full control of your data - iCloud backup support - Simple and smooth UX - Statistics about your finance Please consider supporting Flow by leaving a review, suggesting ideas through Flow's GitHub issue tracker, contributing and more! * If you use multiple currencies, Flow needs an internet connection to fetch foreign currency exchange rates.

About

zero

This app helps you track expenses and manage money owed without requiring an account or internet connection. It offers a clean interface for quick entry, custom categories, and visual reports to understand your spending. Your financial data remains private and is stored locally on your device.

Highlights
  • Offline expense tracking
  • No account required
  • Track money owed and lent
  • Customizable categories
  • Visual spending reports
  • Data export and import
  • Privacy-focused local storage
Features
Read full description

WHY zero? Most finance apps want your data. zero wants nothing. • No account required: start tracking in seconds • No internet needed: works 100% offline • No ads, no subscriptions: completely free • No data collection: your finances stay private TRACK EXPENSES EFFORTLESSLY Add expenses in seconds with a clean, minimal interface designed for daily use. • Quick entry with amount, title & category • Custom categories with icons and colors • Date picker for past expenses • Notes and descriptions for every transaction MANAGE MONEY YOU OWE & ARE OWED Never forget an IOU again. • Track money you lent and borrowed • Organize by person with custom icons • See total balances at a glance BEAUTIFUL REPORTS & INSIGHTS Understand your spending with clear, visual reports. • Monthly expense breakdown with pie charts • Daily spending calendar heatmap • Category-wise analysis • Filter by month and year DESIGNED FOR YOU • Dark mode & light mode • Multiple currency support • Export & import your data • Fast, lightweight, battery-friendly PRIVACY BY DESIGN Zero is built on a simple principle: your money, your business. All data is stored locally on your device. No servers, no cloud, no sync, no analytics, no third-party SDKs. Your financial data never touches the internet. Download zero and take control of your finances, privately.

Screenshots

Flow4 screens
zero4 screens

Verdict

The call

The clearest difference is rating: Flow at 5.0 against zero's 3.3. Flow also leads on review sentiment (95% vs 67%) and ratings volume (20 vs 3). On price, update cadence, ads and in-app purchases 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

Flow holds the better App Store score, 5.0 against 3.3. That said, the two scores are not equally well evidenced: Flow has 20 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 95% of Flow's written reviews are positive against 67% of zero's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on September 21, 2026 and September 13, 2026 respectively.

Scorecard3 real differences · 7 level
Flow versus zero: the parameters behind the verdict, then further details
ParameterFlowzero
PriceFreeFree
Rating5.0 (20 ratings) — better3.3 (3 ratings)
Positive reviews95.5% of reviews — better66.7% of reviews
Number of ratings20 — better3
Update frequencyEvery 2 weeksEvery 2 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.615.1 — better
Further details — not scored
Size79 MB31 MB
Age rating4+4+
DeveloperBatmend GanbaatarLossless Protocols

Customer experience

Flow

All ratings20 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews22 reviews
Positive95.5%
Neutral0.0%
Negative4.5%

zero

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews3 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

In-app purchases

None

Flow

No in-app purchases

None

zero

No in-app purchases

Questions

Is Flow free?
Flow is free to download, with no in-app purchases.
Is zero free?
zero is free to download, with no in-app purchases.
Which has better reviews, Flow or zero?
Flow is rated higher. Flow averages 5.0 out of 5 from 20 ratings, while zero averages 3.3 from 3 ratings.
Do Flow or zero have ads?
Neither Flow nor zero shows ads.
Which is updated more often, Flow or zero?
Flow ships an update every 2 weeks, and zero every 2 weeks. Most recently, Flow was updated on September 21, 2026 and zero on September 13, 2026.

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