Gym Tracking vs # Simple Invoice
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Gym Tracking
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La única aplicación con la que podrás administrar tu gimnasio desde la palma de tu mano olívate de los libros, ahora todo se manejara de forma digital también olvídate de esos clientes que no quieren pagar, si no han pagado el sistema automáticamente eliminara las huellas el sistema incluye: *Agrega clientes *Maneja suscripciones *Enlace a un lector físico en tu gimnasio *Facturación *Reportes de ventas Esta aplicación está incluida junto al paquete de portal gimnasio para mayor información comunicarse al +504 31829673 o a tomasgaray07@gmail.com
# Simple Invoice
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Create and manage invoices easily on your smartphone or tablet. With an intuitive interface, anyone can create professional invoices in seconds. Simple and easy to use, suitable for businesses, freelancers, sole proprietors, shops, and personal use. Create invoices smoothly for products, services, projects, and client work. Create invoices on the go and complete everything from sharing to printing instantly. A perfect invoice maker app to improve productivity and simplify your billing workflow. ■ Features ・Intuitive Interface Clean and simple design. Create and edit invoices easily, even for first-time users. ・Quick Invoice Creation Enter basic information to generate invoices instantly. Save time and manage your billing work more efficiently. ・Flexible Layouts Choose from simple, standard, or detailed layouts. Create invoices that fit your needs. ・Item Management Add items, quantities, and prices with automatic total calculation. Taxes, discounts, and totals are calculated instantly. ・Invoice Information Add invoice date, due date, invoice number, and payment details. Manage important invoice information in one place. ・Payment Information Add payment methods, payment terms, or bank transfer details. Create invoices that match each transaction. ・Customization Freely edit titles, labels, and content. Create clean and professional invoices. ・Notes Add notes, terms, or additional details. Keep all necessary information together. ・Easy Printing Print directly from your smartphone or tablet. Output your invoices instantly when needed. ・Export & Share Export as PDF files and share via email or chat easily. Send invoices to customers or clients without hassle. ・Import Import saved data and continue editing anytime. Reuse past invoices to improve efficiency. ・Ready to Use No account required. Start using the app immediately after installation.
Screenshots
Verdict
The clearest difference is in-app purchases: Gym Tracking at none against # Simple Invoice's 2. # Simple Invoice's advantage is update cadence (every 8 days vs every 2 months). On price, ads, device support 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. # Simple Invoice sells 2 in-app purchases, starting at $1.99 per month. Gym Tracking asks for nothing beyond the download.
Gym Tracking ships an update every 2 months, # Simple Invoice every 8 days. The most recent releases landed on September 28, 2026 and October 7, 2026 respectively.
| Parameter | Gym Tracking | # Simple Invoice |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Every 8 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 — better | 15.6 |
| Further details — not scored | ||
| Size | 40 MB | 48 MB |
| Age rating | 4+ | 4+ |
| Developer | Tomas Garay | YUKI TANAIKE |
In-app purchases
Gym Tracking
No in-app purchases
# Simple Invoice
- Invoice Pro (Monthly)$1.991 Month
- Invoice Pro (Annual)$18.001 Year







