# Le vs NB Glasses

Le and NB Glasses are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Le ships an update fortnightly, NB Glasses every 8 days. The most recent releases landed on August 14, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Le | NB Glasses |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 8 days** |
| Size | 180 MB | 69 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [建松 陈](https://appshunter.io/developer/1556383531) | [Shanghai PalmZen Wireless Technology Co.,Ltd](https://appshunter.io/developer/441512718) |

## What reviewers say

### Le

[App page](https://appshunter.io/ios/app/le-echo/id6759585570)

**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 Le free?

Le 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 Le or NB Glasses have ads?

Neither Le nor NB Glasses shows ads.

### Which is updated more often, Le or NB Glasses?

Le ships an update fortnightly, and NB Glasses every 8 days. Most recently, Le was updated on August 14, 2026 and NB Glasses on September 22, 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.*