# Proofread Bot vs OSSTEM VPN

The clearest difference is ads: OSSTEM VPN at none against Proofread Bot's shown. OSSTEM VPN also leads on iOS requirement (13.0 vs 15.6). On price, update cadence, 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.

Proofread Bot ships an update every 5 weeks, OSSTEM VPN every 2 months. The most recent releases landed on November 7, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Proofread Bot | OSSTEM VPN |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Size | 45 MB | 23 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Cashtic LLC](https://appshunter.io/developer/1537935968) | [MLSoft Inc](https://appshunter.io/developer/1602363377) |

## What reviewers say

### Proofread Bot

[App page](https://appshunter.io/ios/app/proofread-bot-grammar-check/id1637794156)

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

**In-app purchases:** none


### OSSTEM VPN

[App page](https://appshunter.io/ios/app/osstem-vpn/id6572293955)

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

**In-app purchases:** none


## Frequently asked questions

### Is Proofread Bot free?

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

### Is OSSTEM VPN free?

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

### Do Proofread Bot or OSSTEM VPN have ads?

Proofread Bot shows ads; OSSTEM VPN does not.

### Which is updated more often, Proofread Bot or OSSTEM VPN?

Proofread Bot ships an update every 5 weeks, and OSSTEM VPN every 2 months. Most recently, Proofread Bot was updated on November 7, 2026 and OSSTEM VPN on November 8, 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.*