# BullShield Accelerator vs OBL

The clearest difference is in-app purchases: BullShield Accelerator at none against OBL's 10. OBL's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. OBL sells 10 one-off in-app purchases. BullShield Accelerator asks for nothing beyond the download.

## The numbers

| Metric | BullShield Accelerator | OBL |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | — |
| Size | 88 MB | 69 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MSD GRADNJA DOO](https://appshunter.io/developer/1891724676) | [青岛梓创网络科技有限公司](https://appshunter.io/developer/1896326109) |

## What reviewers say

### BullShield Accelerator

[App page](https://appshunter.io/ios/app/bullshield-accelerator/id6761840006)

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

**In-app purchases:** none


### OBL

[App page](https://appshunter.io/ios/app/obl/id6768989938)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 学生套餐季付 | $9.99 | one-time |
| 大学套餐季付 | $9.99 | one-time |
| 基础套餐季付 | $11.99 | one-time |
| 学生套餐半年付 | $17.99 | one-time |
| 大学套餐半年付 | $19.99 | one-time |
| VIP套餐半年付 | $29.99 | one-time |
| 学生套餐年付 | $34.99 | one-time |
| 大学套餐年付 | $39.99 | one-time |
| VIP套餐年付 | $59.99 | one-time |
| 永久套餐 | $199.99 | one-time |


## Frequently asked questions

### Is BullShield Accelerator free?

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

### Is OBL free?

OBL is free to download, with in-app purchases available.

### Do BullShield Accelerator or OBL have ads?

BullShield Accelerator shows ads; OBL does not.

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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.*