# Output Books vs Technaus Solar

The clearest difference is update cadence: Output Books at every 10 days against Technaus Solar's monthly. Technaus Solar's advantage is iOS requirement (12.0 vs 15.5). On price, ads, in-app purchases and device support 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, Technaus Solar monthly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Output Books | Technaus Solar |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Monthly |
| Monetization | Free | — |
| Size | 47 MB | 42 MB |
| Requires iOS | 15.5 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Srimax Software System](https://appshunter.io/developer/582993446) | [Guruprakash Kaniyamuthan](https://appshunter.io/developer/1782595896) |

## 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


### Technaus Solar

[App page](https://appshunter.io/ios/app/technaus-solar/id6738963894)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Output Books free?

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

### Is Technaus Solar free?

Technaus Solar is free to download, with no in-app purchases.

### Do Output Books or Technaus Solar have ads?

Neither Output Books nor Technaus Solar shows ads.

### Which is updated more often, Output Books or Technaus Solar?

Output Books ships an update every 10 days, and Technaus Solar monthly. Most recently, Output Books was updated on November 3, 2026 and Technaus Solar on October 30, 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.*