# Rackup vs Nymph AI

The clearest difference is in-app purchases: Rackup at none against Nymph AI's 9. Nymph AI's advantage is update cadence (every 4 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Nymph AI sells 9 one-off in-app purchases. Rackup asks for nothing beyond the download.

Rackup ships an update every 2 months, Nymph AI every 4 days. The most recent releases landed on October 7, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Rackup | Nymph AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Size | 50 MB | 13 MB |
| Requires iOS | 16.4 | **15** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Zarian Lewis](https://appshunter.io/developer/1778958931) | [THE CASE GROUP, LLC](https://appshunter.io/developer/6804550694) |

## What reviewers say

### Rackup

[App page](https://appshunter.io/ios/app/rackup-pool-table-waitlist/id6780570414)

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

**In-app purchases:** none


### Nymph AI

[App page](https://appshunter.io/ios/app/nymph-ai/id6804550692)

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Nymph 01 | $4.99 | one-time |
| Nymph 02 | $9.99 | one-time |
| Nymph 03 | $24.99 | one-time |
| Nymph 06 | $36.99 | one-time |
| Nymph 04 | $49.99 | one-time |
| Nymph 07 | $73.99 | one-time |
| Nymph 08 | $76.99 | one-time |
| Nymph 09 | $79.99 | one-time |
| Nymph 05 | $99.99 | one-time |


## Frequently asked questions

### Is Rackup free?

Rackup is free to download, with no in-app purchases.

### Is Nymph AI free?

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

### Do Rackup or Nymph AI have ads?

Neither Rackup nor Nymph AI shows ads.

### Which is updated more often, Rackup or Nymph AI?

Rackup ships an update every 2 months, and Nymph AI every 4 days. Most recently, Rackup was updated on October 7, 2026 and Nymph AI on October 10, 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.*