# Letter Tracking System vs PPT AI Slide

The clearest difference is in-app purchases: Letter Tracking System at none against PPT AI Slide's 2. Letter Tracking System also leads on ads (none vs shown) and device support (3 vs 1). On price and update cadence there is nothing between them.

Both are free to download. PPT AI Slide sells 2 in-app purchases, starting at $4.99 per 7 days. Letter Tracking System asks for nothing beyond the download.

Letter Tracking System ships an update every 11 months, PPT AI Slide every 16 months. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Letter Tracking System | PPT AI Slide |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (2 ratings)](https://appshunter.io/ios/app/ppt-ai-slide-ppt-maker/id6748313741/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 11 months** | Every 16 months |
| Monetization | — | Free with in-app purchases |
| Size | 47 MB | 95 MB |
| Requires iOS | **14.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | +4 | +4 |
| Developer | [GCCloud Info System Private Limited](https://appshunter.io/developer/1559340757) | [SOFTIZO INFOTECH LLP](https://appshunter.io/developer/1222941307) |

## What reviewers say

### Letter Tracking System

[App page](https://appshunter.io/ios/app/letter-tracking-system/id6743742291)

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

**In-app purchases:** none


### PPT AI Slide

[App page](https://appshunter.io/ios/app/ppt-ai-slide-ppt-maker/id6748313741)

Effortlessly create professional presentations in seconds with AI. Input your topic or outline, and the app generates structured slides with customizable designs. Export your work to PPTX or PDF for easy editing and sharing.

**Highlights:** AI slide generation from topic/outline, Professional, editable templates, Export to PPTX and PDF, Multi-language support, Customizable slide structure, Time-saving presentation creation

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SlidePPT One Week | $4.99 | per 7 days |
| SlidePPT One Year | $29.99 | per year |


## Frequently asked questions

### Is Letter Tracking System free?

Letter Tracking System is free to download, with no in-app purchases.

### Is PPT AI Slide free?

PPT AI Slide is free to download, with in-app purchases available.

### Do Letter Tracking System or PPT AI Slide have ads?

PPT AI Slide shows ads; Letter Tracking System does not.

### Which is updated more often, Letter Tracking System or PPT AI Slide?

Letter Tracking System ships an update every 11 months, and PPT AI Slide every 16 months. Most recently, Letter Tracking System was updated on November 4, 2026 and PPT AI Slide on November 5, 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.*