# PlusOne vs Shark Catch

The clearest difference is in-app purchases: Shark Catch at none against PlusOne's 2. Shark Catch also leads on ads (none vs shown) and iOS requirement (13.0 vs 17.0). PlusOne's advantage is update cadence (daily vs every 8 months). On price and device support there is nothing between them.

Both are free to download. PlusOne sells 2 one-off in-app purchases. Shark Catch asks for nothing beyond the download.

PlusOne ships an update daily, Shark Catch every 8 months. The most recent releases landed on October 28, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | PlusOne | Shark Catch |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Every 8 months |
| Size | 9 MB | 161 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [WeStudy L.L.C.](https://appshunter.io/developer/789622315) | [Dat Bui Van](https://appshunter.io/developer/1836614608) |

## What reviewers say

### PlusOne

[App page](https://appshunter.io/ios/app/plusone-math/id6745531772)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 15 Vs Credits | $1.99 | one-time |
| Remove Ads | $2.99 | one-time |


### Shark Catch

[App page](https://appshunter.io/ios/app/shark-catch/id6751748232)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PlusOne free?

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

### Is Shark Catch free?

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

### Do PlusOne or Shark Catch have ads?

PlusOne shows ads; Shark Catch does not.

### Which is updated more often, PlusOne or Shark Catch?

PlusOne ships an update daily, and Shark Catch every 8 months. Most recently, PlusOne was updated on October 28, 2026 and Shark Catch on October 11, 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.*