# Lark ED vs XBolus

Lark ED and XBolus 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.

Lark ED ships an update every 2 months, XBolus every 3 months. The most recent releases landed on October 2, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Lark ED | XBolus |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Size | 13 MB | 27 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Hefei Yingsaite Information Technology Co., Ltd.](https://appshunter.io/developer/1583528469) | [娟 陈](https://appshunter.io/developer/1808325684) |

## What reviewers say

### Lark ED

[App page](https://appshunter.io/ios/app/lark-ed/id6683301636)

**Features:** macOS Compatibility

**In-app purchases:** none


### XBolus

[App page](https://appshunter.io/ios/app/xbolus/id6747800113)

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

**In-app purchases:** none


## Frequently asked questions

### Is Lark ED free?

Lark ED is free to download, with no in-app purchases.

### Is XBolus free?

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

### Do Lark ED or XBolus have ads?

Neither Lark ED nor XBolus shows ads.

### Which is updated more often, Lark ED or XBolus?

Lark ED ships an update every 2 months, and XBolus every 3 months. Most recently, Lark ED was updated on October 2, 2026 and XBolus on September 15, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*