# IM FUN vs NB Glasses

The clearest difference is update cadence: NB Glasses at weekly against IM FUN's every 5 weeks. 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.

IM FUN ships an update every 5 weeks, NB Glasses weekly. The most recent releases landed on October 25, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | IM FUN | NB Glasses |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Weekly** |
| Size | 64 MB | 70 MB |
| Requires iOS | **13** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Hongxiangda Technology Co., Ltd](https://appshunter.io/developer/1577213013) | [Shanghai PalmZen Wireless Technology Co.,Ltd](https://appshunter.io/developer/441512718) |

## What reviewers say

### IM FUN

[App page](https://appshunter.io/ios/app/im-fun/id6737672849)

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

**In-app purchases:** none


### NB Glasses

[App page](https://appshunter.io/ios/app/nb-glasses/id6784565551)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is IM FUN free?

IM FUN is free to download, with no in-app purchases.

### Is NB Glasses free?

NB Glasses is free to download, with no in-app purchases.

### Do IM FUN or NB Glasses have ads?

Neither IM FUN nor NB Glasses shows ads.

### Which is updated more often, IM FUN or NB Glasses?

IM FUN ships an update every 5 weeks, and NB Glasses weekly. Most recently, IM FUN was updated on October 25, 2026 and NB Glasses on October 26, 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.*