# AIDA vs Buddy

The clearest difference is review sentiment: Buddy at 100% against AIDA's 50%. Buddy also leads on in-app purchases (none vs 4). AIDA's advantage is update cadence (monthly vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. AIDA sells 4 in-app purchases, starting at $4.99 per 7 days. Buddy asks for nothing beyond the download.

AIDA ships an update monthly, Buddy every 2 months. The most recent releases landed on October 8, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | AIDA | Buddy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (23 ratings)](https://appshunter.io/ios/app/aida-grammar-check-corrector/id6705131596/reviews)** | — |
| Number of ratings | **23** | — |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 10 MB | 5 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Tharindu Prabath](https://appshunter.io/developer/1675338074) | [Mark Searle](https://appshunter.io/developer/1789787599) |

## What reviewers say

### AIDA

[App page](https://appshunter.io/ios/app/aida-grammar-check-corrector/id6705131596)

This AI-powered writing assistant helps you create flawless text by correcting grammar and spelling errors while understanding context. It's designed for ease of use, making your writing professional for emails, reports, social media, and more.

**Highlights:** AI-powered grammar and spelling correction, Contextual understanding of writing, Professional text polishing, Intuitive and user-friendly interface, Versatile use cases (emails, reports, social media), Cross-platform availability (iPhone, iPad, Mac)

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Proofread AI Premium | $4.99 | per 7 days |
| Proofread AI Premium | $19.99 | per month |
| Proofread AI Premium | $24.99 | per year |
| Proofread AI Premium | $99.99 | one-time |


### Buddy

[App page](https://appshunter.io/ios/app/buddy-adhd-study-assistant/id6740407251)

This app helps users break down large tasks into smaller, manageable steps. It features timed focus sessions and scheduled breaks to prevent burnout, with visual progress tracking and positive reinforcement to build confidence and healthy habits.

**Highlights:** Simple task breakdown, Customized focus system, Timed focus periods, Scheduled breaks, Visual progress tracking, Positive reinforcement, Clean, calming interface

**In-app purchases:** none


## Frequently asked questions

### Is AIDA free?

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

### Is Buddy free?

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

### Do AIDA or Buddy have ads?

Neither AIDA nor Buddy shows ads.

### Which is updated more often, AIDA or Buddy?

AIDA ships an update monthly, and Buddy every 2 months. Most recently, AIDA was updated on October 8, 2026 and Buddy on September 27, 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.*