# Grammar Corrector vs Instant Background Check

The clearest difference is ads: Instant Background Check at none against Grammar Corrector's shown. Instant Background Check also leads on update cadence (every 8 days vs every 5 months) and iOS requirement (15.0 vs 17.6). On price, rating, ratings volume and in-app purchases there is nothing between them.

Both are free to download. Grammar Corrector sells 1 in-app purchase, starting at $9.99 per 7 days and Instant Background Check sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Grammar Corrector against 5.0 for Instant Background Check. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

Grammar Corrector ships an update every 5 months, Instant Background Check every 8 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Grammar Corrector | Instant Background Check |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/grammar-corrector/id6755179113/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/instant-background-check/id6758808779/reviews) |
| Number of ratings | 2 | 2 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 8 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 34 MB | 53 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Blazing App Studio](https://appshunter.io/developer/1787017244) | [Freeborn Corp](https://appshunter.io/developer/1875105074) |

## What reviewers say

### Grammar Corrector

[App page](https://appshunter.io/ios/app/grammar-corrector/id6755179113)

Instantly improve your writing by checking and correcting grammar, spelling, and sentence structure. This tool highlights errors and offers one-tap fixes for clearer, more professional communication in messages, emails, and essays. Track your correction history to identify and learn from common mistakes.

**Highlights:** Instant grammar and spelling checks, One-tap error correction, Correction history tracking, Simple editing interface, Improves writing clarity and professionalism

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-free Experience — Weekly | $9.99 | per 7 days |


### Instant Background Check

[App page](https://appshunter.io/ios/app/instant-background-check/id6758808779)

Quickly and affordably search national criminal records without a subscription. Enter a name and date of birth to get a report in seconds, with optional SSN for enhanced accuracy. Designed for personal safety and peace of mind.

**Highlights:** National criminal records search, SSN validation, Address history lookup, Pay-per-search model, Instant report generation, Permissible use certification

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Background Check | $7.99 | one-time |


## Frequently asked questions

### Is Grammar Corrector free?

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

### Is Instant Background Check free?

Instant Background Check is free to download, with in-app purchases available.

### Which has better reviews, Grammar Corrector or Instant Background Check?

Grammar Corrector and Instant Background Check are both rated 5.0 out of 5 on the App Store, from 2 and 2 ratings respectively.

### Do Grammar Corrector or Instant Background Check have ads?

Grammar Corrector shows ads; Instant Background Check does not.

### Which is updated more often, Grammar Corrector or Instant Background Check?

Grammar Corrector ships an update every 5 months, and Instant Background Check every 8 days. Most recently, Grammar Corrector was updated on October 30, 2026 and Instant Background Check on October 31, 2026.

---

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