# Jet Ski Addition vs Nuclide Chart

The clearest difference is price: Nuclide Chart at Free against Jet Ski Addition's $0.99. Nuclide Chart also leads on update cadence (daily vs every 22 months). Jet Ski Addition's advantage is in-app purchases (none vs 1) and iOS requirement (6.0 vs 17.0). On ads and device support there is nothing between them.

Nuclide Chart is free to download; Jet Ski Addition costs $0.99 up front. Nuclide Chart sells 1 one-off in-app purchase. Jet Ski Addition asks for nothing beyond the download.

Jet Ski Addition ships an update every 22 months, Nuclide Chart daily. The most recent releases landed on October 23, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Jet Ski Addition | Nuclide Chart |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[3.5 (19 ratings)](https://appshunter.io/ios/app/jet-ski-addition/id489673522/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 57.1% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 22 months | **Daily** |
| Monetization | Paid | — |
| Size | 24 MB | 15 MB |
| Requires iOS | **6.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Arcademics](https://appshunter.io/developer/489673525) | [Peer Jansen](https://appshunter.io/developer/1859289195) |

## What reviewers say

### Jet Ski Addition

[App page](https://appshunter.io/ios/app/jet-ski-addition/id489673522)

Race jet skis against other players worldwide while practicing addition facts. Your speed depends on how quickly you solve math problems. A fun way to improve arithmetic skills.

**Highlights:** Multiplayer racing, Addition fact practice, Speed based on math answers, Global competition, Educational gameplay

**Features:** macOS Compatibility

**In-app purchases:** none


### Nuclide Chart

[App page](https://appshunter.io/ios/app/nuclide-chart/id6756217497)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Nuclide Chart Pro | $2.99 | one-time |


## Frequently asked questions

### Is Jet Ski Addition free?

Jet Ski Addition costs $0.99, with no in-app purchases.

### Is Nuclide Chart free?

Nuclide Chart is free to download, with in-app purchases available.

### Do Jet Ski Addition or Nuclide Chart have ads?

Neither Jet Ski Addition nor Nuclide Chart shows ads.

### Which is updated more often, Jet Ski Addition or Nuclide Chart?

Jet Ski Addition ships an update every 22 months, and Nuclide Chart daily. Most recently, Jet Ski Addition was updated on October 23, 2026 and Nuclide Chart on October 17, 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.*