# BasicATTCalc vs GMM AI APP

The clearest difference is price: GMM AI APP at Free against BasicATTCalc's $1.99. GMM AI APP also leads on update cadence (weekly vs every 29 months). BasicATTCalc's advantage is in-app purchases (none vs 2). On ads, device support and iOS requirement there is nothing between them.

GMM AI APP is free to download; BasicATTCalc costs $1.99 up front. GMM AI APP sells 2 in-app purchases, starting at $9.99 per 7 days. BasicATTCalc asks for nothing beyond the download.

BasicATTCalc ships an update every 29 months, GMM AI APP weekly. The most recent releases landed on October 7, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | BasicATTCalc | GMM AI APP |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[4.2 (125 ratings)](https://appshunter.io/ios/app/gmm-ai-app-slides-and-ppt/id6759584653/reviews)** |
| Number of ratings | — | **125** |
| Positive reviews | — | 11.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 29 months | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 7 MB | 30 MB |
| Requires iOS | **14.5** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TAKAHIKO FUKUYAMA](https://appshunter.io/developer/857468511) | [APPCORE LTD](https://appshunter.io/developer/1879658884) |

## What reviewers say

### BasicATTCalc

[App page](https://appshunter.io/ios/app/basicattcalc/id947238679)

**Features:** macOS Compatibility

**In-app purchases:** none


### GMM AI APP

[App page](https://appshunter.io/ios/app/gmm-ai-app-slides-and-ppt/id6759584653)

Effortlessly create professional presentations with AI. Transform your ideas into visually appealing slides in seconds using a variety of templates. Share your creations instantly.

**Highlights:** AI-powered slide generation, Professional templates, Dark-themed design, Instant export and sharing, Weekly and yearly subscription options

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro | $9.99 | per 7 days |
| Yearly Pro | $39.99 | per year |


## Frequently asked questions

### Is BasicATTCalc free?

BasicATTCalc costs $1.99, with no in-app purchases.

### Is GMM AI APP free?

GMM AI APP is free to download, with in-app purchases available.

### Do BasicATTCalc or GMM AI APP have ads?

Neither BasicATTCalc nor GMM AI APP shows ads.

### Which is updated more often, BasicATTCalc or GMM AI APP?

BasicATTCalc ships an update every 29 months, and GMM AI APP weekly. Most recently, BasicATTCalc was updated on October 7, 2026 and GMM AI APP on November 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.*