# 自开票 vs 融易算DeepTax

The clearest difference is iOS requirement: 融易算DeepTax at 13.0 against 自开票's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 1, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | 自开票 | 融易算DeepTax |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id6475652434/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Size | 143 MB | 103 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [自开票科技(珠海)有限公司](https://appshunter.io/developer/1724678958) | [杭州融易算科技有限公司](https://appshunter.io/developer/1436675611) |

## What reviewers say

### 自开票

[App page](https://appshunter.io/ios/app/id6475652434)

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

**In-app purchases:** none


### 融易算DeepTax

[App page](https://appshunter.io/ios/app/deeptax/id6744429196)

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

**In-app purchases:** none


## Frequently asked questions

### Is 自开票 free?

自开票 is free to download, with no in-app purchases.

### Is 融易算DeepTax free?

融易算DeepTax is free to download, with no in-app purchases.

### Do 自开票 or 融易算DeepTax have ads?

Neither 自开票 nor 融易算DeepTax shows ads.

### Which is updated more often, 自开票 or 融易算DeepTax?

自开票 ships an update every 2 months, and 融易算DeepTax every 2 months. Most recently, 自开票 was updated on October 1, 2026 and 融易算DeepTax on October 9, 2026.

---

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