# Output Books vs GST Verification

The clearest difference is review sentiment: GST Verification at 100% against Output Books's 33%. Output Books's advantage is update cadence (every 10 days vs every 2 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Output Books ships an update every 10 days, GST Verification every 2 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Output Books | GST Verification |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 33.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 2 months |
| Monetization | Free | Free |
| Size | 47 MB | 41 MB |
| Requires iOS | **15.5** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Srimax Software System](https://appshunter.io/developer/582993446) | [Simply Vyapar Apps Pvt. Ltd](https://appshunter.io/developer/1732653192) |

## What reviewers say

### Output Books

[App page](https://appshunter.io/ios/app/output-books/id1474458816)

This business application allows users to access and review accounting reports and invoices on the go. It requires a server application to be installed and running to connect with your business data, ensuring your information stays on your own servers.

**Highlights:** View and download invoices as PDF, Track party-wise receivables and payables, Access accounting reports like Ledger and Daybook, Connect to your own server application, Review business data on the go

**Features:** Vision Pro support

**In-app purchases:** none


### GST Verification

[App page](https://appshunter.io/ios/app/gst-verification/id6743162523)

Instantly verify the authenticity of Indian GST numbers and access detailed business information. This tool helps users confirm the legitimacy of suppliers, partners, and other entities by providing up-to-date details from the official GST database.

**Highlights:** GSTIN Verification, Business Entity Details, Fast Search, State-wise Search, User-Friendly Interface, Secure & Accurate Data

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Output Books free?

Output Books is free to download, with no in-app purchases.

### Is GST Verification free?

GST Verification is free to download, with no in-app purchases.

### Do Output Books or GST Verification have ads?

Neither Output Books nor GST Verification shows ads.

### Which is updated more often, Output Books or GST Verification?

Output Books ships an update every 10 days, and GST Verification every 2 months. Most recently, Output Books was updated on November 3, 2026 and GST Verification on November 4, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*