# Missing Number Calculator vs AI Presentation Maker

The clearest difference is price: AI Presentation Maker at Free against Missing Number Calculator's $0.99. AI Presentation Maker also leads on iOS requirement (15.1 vs 17.0). Missing Number Calculator's advantage is in-app purchases (none vs 7) and update cadence (every 3 days vs fortnightly). On ads and device support there is nothing between them.

AI Presentation Maker is free to download; Missing Number Calculator costs $0.99 up front. AI Presentation Maker sells 7 in-app purchases, starting at $4.99 per 7 days. Missing Number Calculator asks for nothing beyond the download.

Missing Number Calculator ships an update every 3 days, AI Presentation Maker fortnightly. The most recent releases landed on October 13, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Missing Number Calculator | AI Presentation Maker |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Fortnightly |
| Size | 6 MB | 61 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Infinity Inc. (Apps)](https://appshunter.io/developer/1680741877) | [MOBILECRAFT LLC](https://appshunter.io/developer/1815334034) |

## What reviewers say

### Missing Number Calculator

[App page](https://appshunter.io/ios/app/missing-number-calculator/id6747973776)

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

**In-app purchases:** none


### AI Presentation Maker

[App page](https://appshunter.io/ios/app/ai-presentation-maker-aislide/id6755131850)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| premium | $4.99 | per 7 days |
| premium | $6.99 | per 7 days |
| Weekly Plan | $6.99 | per 7 days |
| premium | $19.99 | per month |
| premium | $39.99 | per year |
| Yearly Plan | $39.99 | per year |
| premium | $59.99 | per year |


## Frequently asked questions

### Is Missing Number Calculator free?

Missing Number Calculator costs $0.99, with no in-app purchases.

### Is AI Presentation Maker free?

AI Presentation Maker is free to download, with in-app purchases available.

### Do Missing Number Calculator or AI Presentation Maker have ads?

Neither Missing Number Calculator nor AI Presentation Maker shows ads.

### Which is updated more often, Missing Number Calculator or AI Presentation Maker?

Missing Number Calculator ships an update every 3 days, and AI Presentation Maker fortnightly. Most recently, Missing Number Calculator was updated on October 13, 2026 and AI Presentation Maker on September 14, 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.*