# BIG Plus EMO vs 天朗紫微AR地球仪

The clearest difference is update cadence: 天朗紫微AR地球仪 at monthly against BIG Plus EMO's every 4 months. BIG Plus EMO's advantage is iOS requirement (9.0 vs 11.0). 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.

BIG Plus EMO ships an update every 4 months, 天朗紫微AR地球仪 monthly. Both last shipped on October 27, 2026.

## The numbers

| Metric | BIG Plus EMO | 天朗紫微AR地球仪 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Size | 40 MB | 1.7 GB |
| Requires iOS | **9.0** | 11.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [CardApp Limited](https://appshunter.io/developer/539151439) | [秀红 于](https://appshunter.io/developer/1449441031) |

## What reviewers say

### BIG Plus EMO

[App page](https://appshunter.io/ios/app/big-plus-emo/id1531684721)

**In-app purchases:** none


### 天朗紫微AR地球仪

[App page](https://appshunter.io/ios/app/ar/id1547214265)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BIG Plus EMO free?

BIG Plus EMO is free to download, with no in-app purchases.

### Is 天朗紫微AR地球仪 free?

天朗紫微AR地球仪 is free to download, with no in-app purchases.

### Do BIG Plus EMO or 天朗紫微AR地球仪 have ads?

Neither BIG Plus EMO nor 天朗紫微AR地球仪 shows ads.

### Which is updated more often, BIG Plus EMO or 天朗紫微AR地球仪?

BIG Plus EMO ships an update every 4 months, and 天朗紫微AR地球仪 monthly. Most recently, BIG Plus EMO was updated on October 27, 2026 and 天朗紫微AR地球仪 on October 27, 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.*