GEN GST vs NNFS
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
GEN GST
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Install Free GST Billing & e-Filing app for invoicing and GST returns filing. SAG Infotech powered Gen GST return filing and billing mobile app, a panacea for all the tax related GST issues. The application provide complete information regarding Indiaβs new tax regime. It offers the latest reports about GST and also helps in e-filing of your tax returns. The application has been made upon one of the most secure development platform Java and is integrated with a user friendly interface. The application is also capable of creating tax liability register, credit ledger, cash ledger based upon data filled within the authorized format and also represents the availability of ITC Match/Mismatch report giving an error-less report result. After the implementation of GST, there are many applications available in the market regarding it, some if which provides information, while some are there delivering solutions for e-filing etc. But here we showcase you an application, which provides you latest information regarding GST and will also help in the e-filing according to the guidelines of this new tax regime. The application provides: 1. Advance Technology -Platform Independent -Made on Java Platform -Provides e-filing using different channels -Sync facility is also available -Secure Mobile Application 2. Creation of masters 3. Invoice (Sale and Purchase) Goods and Services -Can be used for billing of Goods and services -Allows purchasing of invoice for unregistered dealers in reverse charges mechanism (RCM) -Debit Credit Note -Payment Voucher -Refund Voucher -Advance Receipt -Shipping Bill -e-Way bill -Provides Industry specific billing format -Digital signature of the invoices
NNFS
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a) Net Worth Status b) Asset Allocation c) Daily updated NAV & PL d) Mutual Fund Analysis - By Individual and Family - By Fund & Scheme - By Sector - By Type (Debt, Equity)
Screenshots
Verdict
The clearest difference is update cadence: NNFS at every 6 days against GEN GST's every 3 weeks. GEN GST's advantage is iOS requirement (11.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
GEN GST ships an update every 3 weeks, NNFS every 6 days. The most recent releases landed on October 13, 2026 and September 29, 2026 respectively.
| Parameter | GEN GST | NNFS |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | Every 6 days β better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 β better | 15.6 |
| Further details β not scored | ||
| Size | 232 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Sag Infotech Private limited | M2M TECHNOLOGIES |
In-app purchases
GEN GST
No in-app purchases
NNFS
No in-app purchases









