Comparison

Proofread Bot vs OSSTEM VPN

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

Proofread Bot

Features
Read full description

Proofread Bot is a grammar checker and spell checker for text you already wrote. It finds grammar, spelling, and punctuation mistakes, explains each one, and lets you accept a fix. It does not rewrite your voice or draft the email for you. Open the editor, paste or type, and run a check. Or share text into Proofread Bot from Mail, Notes, and other apps, then copy the corrected text back. What you get β€’ Grammar check, spell check, and punctuation β€’ A clear suggestion and a short explanation for each issue β€’ Works in the in-app editor on iPhone and iPad β€’ Share text from Mail, Notes, and other apps into Proofread Bot β€’ Free daily checks. Premium unlocks unlimited checks and live checking How to use it 1. Sign in with Apple or Google. 2. Paste or type in the editor, or share text from Mail, Notes, and other apps. 3. Tap Analyze to underline grammar and spelling issues. 4. Accept a suggestion or ignore it. Read the explanation if you want to learn the rule. Proofread Bot is for people who want their own words to be correct β€” students, support teams, and anyone writing email β€” not an AI writer that replaces you. Notes β€’ Google Docs on the web uses the separate Proofread Bot Docs add-on. β€’ Chrome on the desktop uses the Proofread Bot extension for in-place underlines. β€’ Premium is $5/month. Manage the subscription in Settings or App Store subscriptions.

About

OSSTEM VPN

Features
Read full description

'OSSTEM VPN' provides employees and executives affiliated with 'Osstem Implant' the features to securely access the company’s intranet anytime, anywhere.

Screenshots

Proofread Bot2 screens
OSSTEM VPN4 screens

Verdict

The call

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.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

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

UpkeepUpdate frequency

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.

Scorecard2 real differences Β· 4 level
Proofread Bot versus OSSTEM VPN: the parameters behind the verdict, then further details
ParameterProofread BotOSSTEM VPN
PriceFreeFree
Update frequencyEvery 5 weeks β€” betterEvery 2 months
AdsYesNo β€” better
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.613.0 β€” better
Further details β€” not scored
Size45 MB23 MB
Age rating4+4+
DeveloperCashtic LLCMLSoft Inc

In-app purchases

None

Proofread Bot

No in-app purchases

None

OSSTEM VPN

No in-app purchases

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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