# 问真八字 vs Sloth

The clearest difference is review sentiment: 问真八字 at 89% against Sloth's 0%. 问真八字 also leads on rating (3.8 vs 3.0) and ratings volume (57 vs 2). Sloth's advantage is update cadence (every 9 days vs monthly) and iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. 问真八字 sells 3 one-off in-app purchases and Sloth sells 10 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

问真八字 holds the better App Store score, 3.8 against 3.0. That said, the two scores are not equally well evidenced: 问真八字 has 57 ratings behind it against 2, 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 0% of Sloth's.

问真八字 ships an update monthly, Sloth every 9 days. Both last shipped on November 3, 2026.

## The numbers

| Metric | 问真八字 | Sloth |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (57 ratings)](https://appshunter.io/ios/app/id1665624645/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/sloth-free-space-and-diary/id6443441021/reviews) |
| Number of ratings | **57** | 2 |
| Positive reviews | **88.9% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 9 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 85 MB | 104 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Guangzhou Wenzhen Cultural Communication Co., Ltd.](https://appshunter.io/developer/1664632538) | [Wuhan Weizhi Hudong Technology Co., Ltd.](https://appshunter.io/developer/1581782791) |

## 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 |


### Sloth

[App page](https://appshunter.io/ios/app/sloth-free-space-and-diary/id6443441021)

This app provides a private and stress-free space for daily journaling, allowing users to record thoughts, feelings, and memories through text, images, video, or voice. It offers extensive customization options for a personalized experience and ensures data security with an independent app lock.

**Highlights:** Stress-free private journaling, Record text, images, video, voice, Customizable space decoration, Time letters to future self, Independent app lock for security, Unlimited free storage, AI assistant integration

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP连续包月 | $0.99 | per month |
| 获取AI点数-基础档 | $0.99 | one-time |
| AI互动特权 - 28元/月 | $3.99 | one-time |
| 获取AI点数-提升档 | $3.99 | one-time |
| 获取AI点数-pro档 | $7.99 | one-time |
| AI互动特权 - 68元/季度 | $9.99 | one-time |
| 98元购买686钻石 | $14.99 | one-time |
| 获取AI点数-Max档 | $14.99 | one-time |
| 198元购买1386钻石 | $29.99 | one-time |
| AI互动特权 - 198元/年 | $29.99 | one-time |


## Frequently asked questions

### Is 问真八字 free?

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

### Is Sloth free?

Sloth is free to download, with in-app purchases available.

### Which has better reviews, 问真八字 or Sloth?

问真八字 is rated higher. 问真八字 averages 3.8 out of 5 from 57 ratings, while Sloth averages 3.0 from 2 ratings.

### Do 问真八字 or Sloth have ads?

Neither 问真八字 nor Sloth shows ads.

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

问真八字 ships an update monthly, and Sloth every 9 days. Most recently, 问真八字 was updated on November 3, 2026 and Sloth on November 3, 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.*