# 问真八字 vs tan纸条

The clearest difference is rating: tan纸条 at 5.0 against 问真八字's 3.8. tan纸条 also leads on in-app purchases (none vs 3) and review sentiment (100% vs 89%). 问真八字's advantage is ratings volume (57 vs 1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 问真八字 sells 3 one-off in-app purchases. tan纸条 asks for nothing beyond the download.

tan纸条 holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: 问真八字 has 57 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 89% of 问真八字's written reviews are positive against 100% of tan纸条's.

问真八字 ships an update monthly, tan纸条 every 3 weeks. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | 问真八字 | tan纸条 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (57 ratings)](https://appshunter.io/ios/app/id1665624645/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/tan/id6758177376/reviews)** |
| Number of ratings | **57** | 1 |
| Positive reviews | 88.9% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 85 MB | 64 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Guangzhou Wenzhen Cultural Communication Co., Ltd.](https://appshunter.io/developer/1664632538) | [力文 张](https://appshunter.io/developer/1869023960) |

## What reviewers say

### 问真八字

[App page](https://appshunter.io/ios/app/id1665624645)

This app offers a unique five-pillar astrological chart calculation, expanding on traditional four-pillar methods. It provides access to a vast library of ancient texts, AI-powered study tools, and a database of historical figures for in-depth research and learning.

**Highlights:** Five-pillar astrological chart calculation, Extensive ancient text library, AI-powered study assistant, Historical figure database, Astrological chart comparison, Research notes functionality

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3个月黄金体验会员 | $14.99 | one-time |
| 1年黄金会员 | $39.99 | one-time |
| 5年钻石会员 | $129.99 | one-time |


### tan纸条

[App page](https://appshunter.io/ios/app/tan/id6758177376)

Create unique illustrated notes and share them with friends. Design custom messages using templates or a freehand canvas, then send them digitally or physically via a special mail service.

**Highlights:** Template-based note generation, Freehand DIY canvas for custom designs, Digital note sharing with friends and groups, Physical note delivery via 'Monster Postman', Centralized note storage and management

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

**In-app purchases:** none


## Frequently asked questions

### Is 问真八字 free?

问真八字 is free to download, with in-app purchases available.

### Is tan纸条 free?

tan纸条 is free to download, with no in-app purchases.

### Which has better reviews, 问真八字 or tan纸条?

tan纸条 is rated higher. 问真八字 averages 3.8 out of 5 from 57 ratings, while tan纸条 averages 5.0 from 1 ratings.

### Do 问真八字 or tan纸条 have ads?

Neither 问真八字 nor tan纸条 shows ads.

### Which is updated more often, 问真八字 or tan纸条?

问真八字 ships an update monthly, and tan纸条 every 3 weeks. Most recently, 问真八字 was updated on November 3, 2026 and tan纸条 on November 5, 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.*