# 疯狂单词 vs 志诚AR地球仪

The clearest difference is in-app purchases: 志诚AR地球仪 at none against 疯狂单词's 1. 志诚AR地球仪 also leads on update cadence (daily vs monthly) and iOS requirement (11.0 vs 16.6). On price, ads and device support there is nothing between them.

Both are free to download. 疯狂单词 sells 1 in-app purchase, starting at $0.49 per month. 志诚AR地球仪 asks for nothing beyond the download.

疯狂单词 ships an update monthly, 志诚AR地球仪 daily. The most recent releases landed on October 24, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | 疯狂单词 | 志诚AR地球仪 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 76.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 136 MB | 359 MB |
| Requires iOS | 16.6 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [杰 唐](https://appshunter.io/developer/1467348989) | [琦凯 袁](https://appshunter.io/developer/1232479973) |

## What reviewers say

### 疯狂单词

[App page](https://appshunter.io/ios/app/id1467348990)

This app helps users learn vocabulary more efficiently by using intelligent systems for planning and review. It adapts to individual learning levels and offers various study methods to make memorization effective and engaging.

**Highlights:** Adaptive learning and review, Multi-dimensional memorization techniques, Progress visualization, Fragmented learning support, Comprehensive vocabulary coverage, Customizable learning experience

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 订阅软件 | $0.49 | per month |


### 志诚AR地球仪

[App page](https://appshunter.io/ios/app/ar/id1570565707)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 疯狂单词 free?

疯狂单词 is free to download, with in-app purchases available.

### Is 志诚AR地球仪 free?

志诚AR地球仪 is free to download, with no in-app purchases.

### Do 疯狂单词 or 志诚AR地球仪 have ads?

Neither 疯狂单词 nor 志诚AR地球仪 shows ads.

### Which is updated more often, 疯狂单词 or 志诚AR地球仪?

疯狂单词 ships an update monthly, and 志诚AR地球仪 daily. Most recently, 疯狂单词 was updated on October 24, 2026 and 志诚AR地球仪 on October 8, 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.*