Flow vs zero
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Multiple accounts
- Multiple currencies
- Full data control
- Offline functionality
- iCloud backup
- Financial statistics
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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.
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.
- Offline expense tracking
- No account required
- Track money owed and lent
- Customizable categories
- Visual spending reports
- Data export and import
- Privacy-focused local storage
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
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.
Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on September 21, 2026 and September 13, 2026 respectively.
| Parameter | Flow | zero |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (20 ratings) — better | 3.3 (3 ratings) |
| Positive reviews | 95.5% of reviews — better | 66.7% of reviews |
| Number of ratings | 20 — better | 3 |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 79 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | Batmend Ganbaatar | Lossless Protocols |
Customer experience
Flow
zero
In-app purchases
Flow
No in-app purchases
zero
No in-app purchases








