Simple Invoice Studio Pro vs LogNest
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Simple Invoice Studio Pro
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Get paid faster with InvoiceMaker โ the beautifully simple billing app for solo freelancers and small teams. Create a professional invoice or estimate in under a minute, send it as a PDF from your iPhone or iPad, and see exactly who owes you what. No accounting degree required. KEY FEATURES - 40+ beautifully designed PDF invoice templates - Recurring / auto-billing for retainers and subscriptions - Turn a quote or estimate into a paid invoice with one tap - Capture digital signatures on the spot - Receivables dashboard: MRR, overdue balances, monthly cash flow - Multi-currency support with live symbols - Payment reminders and configurable late fees - Client and company profiles with logo, address, and tax details - 12 languages, with per-invoice PDF language - iCloud backup so your data follows every device - Offline-first: work anywhere, sync when you're back online - Clean, native iOS design that stays out of your way INVOICEMAKER PRO Unlock everything with a single subscription: - Ad-free experience - Unlimited access to all 40+ PDF templates - Custom branding (logo, colors, footer) - Recurring invoices and advanced automation - Priority support BUILT FOR THE WAY YOU WORK Whether you're a designer chasing a late payment, a consultant sending monthly retainers, or a crew invoicing 30 clients a week, InvoiceMaker gives you the speed of a receipt app with the polish of a full billing suite. Every screen is built for the reality of small business: quick entry, clear totals, and PDFs that actually look like your brand. Download InvoiceMaker and turn every job into a polished, paid invoice. โ Privacy Policy: https://taerstudio.github.io/invoicemaker/privacy-policy.html
LogNest
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LogNest is a professional flight logbook built for commercial pilots โ designed to handle regulatory compliance across multiple aviation authorities, with native PDF exports formatted to match each one. IMPORT YOUR FLYING HISTORY IN MINUTES - Import your Flight Time Report directly from your airline's crew portal โ every flight logged automatically, no manual entry - Sync your roster from Google Calendar or straight from your iPhone/iPad's built-in Calendar โ or import a CSV export from another logbook app - Only the data that matches a real Volara Log field gets imported โ nothing forced into the wrong place BUILT FOR REAL AIRLINE OPERATIONS - Full OOOI time tracking (Out/Off/On/In) with automatic block, flight, and night time calculations - Simulator sessions, duty periods, and flight duty period (FDP) tracking โ all in one place - Multi-crew logging: PIC, SIC, instructor, and augmenting crew - Custom aircraft and crew registries, searchable and sortable REGULATORY LIMITS, TRACKED AUTOMATICALLY - Real-time currency and limit tracking (landings, block hours, duty periods) with expiry alerts - Generate compliant PDF logbook exports formatted for your regulatory authority (EASA/UK CAA, FAA, GCAA, Aerocivil Colombia) YOUR DATA, YOUR CONTROL - Sign in with Apple or Google โ used only to identify your account, never a Volara Lab login - Automatic backup and sync to your own Google Drive โ access your logbook from any device - Nothing shared with third parties beyond what's needed to run the app - Works fully offline; sync happens whenever you're connected Whether you're flying for a major international carrier or building hours toward your ratings, Volara Log keeps your logbook accurate, compliant, and always backed up. Professional pilot logbook: multi-authority compliance & airline import Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is ads: LogNest at none against Simple Invoice Studio Pro's shown. LogNest also leads on update cadence (every 3 days vs every 9 days) and iOS requirement (15.0 vs 17.6). On price, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Simple Invoice Studio Pro sells 2 in-app purchases, starting at $4.99 per month and LogNest sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.
Simple Invoice Studio Pro ships an update every 9 days, LogNest every 3 days. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.
| Parameter | Simple Invoice Studio Pro | LogNest |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 9 days | Every 3 days โ better |
| Ads | Yes | No โ better |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad | iPhone, iPad, iPod โ better |
| Requires iOS | 17.6 | 15.0 โ better |
| Further details โ not scored | ||
| Size | 23 MB | 66 MB |
| Age rating | 12+ | 4+ |
| Developer | Taha Tosun | Daniel Noguera |
In-app purchases
Simple Invoice Studio Pro
- Pro Monthly$4.991 Month
- Pro Yearly New$34.991 Year
LogNest
- Volara Log Pro Monthly$4.991 Month
- Volara Log Pro Yearly$49.991 Year
Questions
Is Simple Invoice Studio Pro free?
Is LogNest free?
Do Simple Invoice Studio Pro or LogNest have ads?
Which is updated more often, Simple Invoice Studio Pro or LogNest?
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