DarkBook vs Volu
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DarkBook
A minimalist budget tracker with a focus on a dark, eye-friendly interface. It offers fast, simplified bookkeeping with multi-ledger, multi-account, and multi-member support. Analyze your spending and asset trends with clear visualizations.
- Optimized dark theme
- Local data storage
- Fast bookkeeping with gestures
- Multi-ledger support
- Multi-account management
- Revenue and expenditure analysis
- Asset trend tracking
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【Inspiration】 The idea is “highlight and focus.” When using everyday editing software, the author always chooses a dark, eye-friendly palette if given the choice. It reduces visual fatigue and makes text stand out. Bookkeeping apps work the same way. The two times I record expenses most often are (1) right after a transaction and (2) before bed—one in bright light, one in dim light. In both cases, a high-contrast dark theme brings the content forward. That is why DarkBook was built: optimized for dark mode, with a simplified interface that keeps text at the center and creates a more focused space for tracking your money. 【Features】 Optimized dark theme: carefully tuned dark palettes for long sessions, plus multiple themes (including light themes) you can switch anytime. Offline on device: your data stays on your device. No sign-up required—start tracking right away. Quick entry: gesture support and fewer steps; built-in calculator keys (+ − × ÷) help you log faster. Multiple books: life, work, travel, baby… keep a separate book for each scenario. Multiple accounts: manage cash, credit cards, and virtual-currency accounts separately. Multiple members: tag spending for yourself, your partner, children, or parents. Multiple currencies: support for major world currencies and virtual currencies, with rates and conversion. Income & expense analysis: custom date ranges show where money went, to whom, and from which account. Asset trends: track assets and net worth over time. Budgets: set budgets for your book and expense categories. Account transfers: a small feature, but closer to how money really moves. Bill search: find entries by note, amount, or account; filter by date, category, member, and more. CSV import/export: export bills to CSV for editing on a computer, or import in bulk. iCloud backup: back up to iCloud and sync across devices signed in with the same Apple ID. Clean and ad-free: we do not want ads to get in your way. 【Auto-renewable subscription】 1. Subscription service: a subscription means service fees are charged on a recurring basis. An annual plan is currently available. Your subscription renews automatically within 24 hours before the end of each period unless you turn off auto-renewal or we discontinue the service. 2. Price: the annual subscription price is shown in the App Store for your region and may change during promotions. If you subscribe, any new price applies in the next billing period. Payment is charged to your Apple ID upon confirmation. 3. Refunds: fees for the current billing period are generally non-refundable, subject to Apple Media Services Terms and applicable local law. If a free trial is offered, cancel before it ends to avoid being charged. 4. Cancel subscription: subscriptions renew automatically. To avoid renewal, turn off auto-renewal at least 24 hours before the current period ends. Manage or cancel in Settings > Apple ID > Subscriptions. 【Terms】 Terms of Use: https://www.zotiger.com/darkbook-terms-of-use-en Privacy Policy: https://www.zotiger.com/darkbook-privacy-en 【Contact】 Email: service@zotiger.com
Volu
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• Volu app is an international Arabic application that facilitates volunteering for all in light of volunteering facing many challenges and obstacles that in turn reduce the effectiveness of the volunteering process. • The application works to preserve the rights of the volunteer and all his efforts and community participation. • It is easy for the volunteer to choose the appropriate volunteer field for him according to: his time, place, skills, and interests. • Through the application, the volunteer can be connected to the associations and vice versa, and to the volunteer opportunities available with ease. • The application preserves the time and effort of volunteers, associations and institutions. • Achieving peace, coexistence and equality among the members of society because volunteering is for everyone and for everyone regardless of their orientations, religions and beliefs.
Screenshots
Verdict
The clearest difference is in-app purchases: Volu at none against DarkBook's 2. DarkBook's advantage is device support. On price and iOS requirement 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. DarkBook sells 2 in-app purchases, starting at $1.49 per year. Volu asks for nothing beyond the download.
| Parameter | DarkBook | Volu |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (3 ratings) — better | — |
| Positive reviews | 80.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Weekly | — |
| Ads | No | — |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | — |
| Requires iOS | 15.0 | 14.0 — better |
| Further details — not scored | ||
| Size | 26 MB | 31 MB |
| Age rating | 4+ | 17+ |
| Developer | Chongqing Zhouhu Technology Co.,Ltd | GRAND Limited |
In-app purchases
DarkBook
- Pay per year$1.491 Year
- Life member$3.99
Volu
No in-app purchases









