# AIDA vs Stacked

The clearest difference is update cadence: AIDA at monthly against Stacked's every 7 months. Stacked's advantage is review sentiment (67% vs 50%). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. AIDA sells 4 in-app purchases, starting at $4.99 per 7 days and Stacked sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.7 for AIDA against 4.6 for Stacked. Both are backed by a comparable volume of ratings — 23 and 13 respectively. Written reviews are what separate them: 50% of AIDA's written reviews are positive against 67% of Stacked's.

AIDA ships an update monthly, Stacked every 7 months. The most recent releases landed on October 8, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | AIDA | Stacked |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (23 ratings)](https://appshunter.io/ios/app/aida-grammar-check-corrector/id6705131596/reviews)** | [4.6 (13 ratings)](https://appshunter.io/ios/app/stacked-routine-stack-habits/id6740246728/reviews) |
| Number of ratings | **23** | 13 |
| Positive reviews | 50.0% of reviews | **66.7% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 7 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 10 MB | 61 MB |
| Requires iOS | 17.0 | **16.6** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Tharindu Prabath](https://appshunter.io/developer/1675338074) | [Tip Tap Apps](https://appshunter.io/developer/1257263778) |

## 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 |


### Stacked

[App page](https://appshunter.io/ios/app/stacked-routine-stack-habits/id6740246728)

Build powerful daily routines and track habits with this all-in-one task manager. Combine tasks and habits into customized routines, receive step-by-step guidance, and monitor progress. Offers free and premium features to enhance productivity and time management.

**Highlights:** Create customizable routines, Step-by-step routine guidance, Track habits and tasks together, Flexible task types (free/premium), Progress tracking and statistics, Custom notifications and reminders, Habit stacking technique integration

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stacked Prime Monthly | $3.99 | per month |
| Stacked Prime Yearly | $17.99 | per year |
| Stacked Prime Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is AIDA free?

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

### Is Stacked free?

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

### Which has better reviews, AIDA or Stacked?

AIDA is rated higher. AIDA averages 4.7 out of 5 from 23 ratings, while Stacked averages 4.6 from 13 ratings.

### Do AIDA or Stacked have ads?

Neither AIDA nor Stacked shows ads.

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

AIDA ships an update monthly, and Stacked every 7 months. Most recently, AIDA was updated on October 8, 2026 and Stacked on October 9, 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.*