# Plotter XL vs Plainly AI

The clearest difference is price: Plainly AI at Free against Plotter XL's $1.99. Plainly AI also leads on update cadence (monthly vs every 24 months) and device support (3 vs 1). Plotter XL's advantage is in-app purchases (none vs 1). On ads and iOS requirement there is nothing between them.

Plainly AI is free to download; Plotter XL costs $1.99 up front. Plainly AI sells 1 one-off in-app purchase. Plotter XL asks for nothing beyond the download.

Plotter XL ships an update every 24 months, Plainly AI monthly. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Plotter XL | Plainly AI |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/plainly-ai/id6763172251/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 24 months | **Monthly** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 1 MB | 33 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Piet Jonas](https://appshunter.io/developer/288060167) | [Kristopher Anderson](https://appshunter.io/developer/1895197898) |

## What reviewers say

### Plotter XL

[App page](https://appshunter.io/ios/app/plotter-xl/id368017095)

Visualize mathematical functions by entering formulas and specifying a plotting range. Supports multiple functions, theme customization, and saving formulas for future use. Share your creations via email.

**Highlights:** Plot multiple functions, Customizable chart themes, Save and reuse formulas, Email formulas and charts, Retina display support

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

**In-app purchases:** none


### Plainly AI

[App page](https://appshunter.io/ios/app/plainly-ai/id6763172251)

Learn about artificial intelligence in simple terms with no jargon. This app breaks down complex AI concepts into easy-to-understand lessons with everyday examples. It offers free introductory modules and a glossary, with an option to unlock the full library for a one-time purchase.

**Highlights:** Plain English AI explanations, Everyday examples, Key takeaways and practical tips, Glossary of AI terms, Adjustable text size and dark mode, Progress tracking on device

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Full Library | $4.99 | one-time |


## Frequently asked questions

### Is Plotter XL free?

Plotter XL costs $1.99, with no in-app purchases.

### Is Plainly AI free?

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

### Do Plotter XL or Plainly AI have ads?

Neither Plotter XL nor Plainly AI shows ads.

### Which is updated more often, Plotter XL or Plainly AI?

Plotter XL ships an update every 24 months, and Plainly AI monthly. Most recently, Plotter XL was updated on October 22, 2026 and Plainly AI on October 24, 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.*