# Knows vs VoltOnoJump

The clearest difference is in-app purchases: Knows at none against VoltOnoJump's 4. Knows also leads on iOS requirement (11.0 vs 15.0). VoltOnoJump's advantage is device support (3 vs 1). On price, update cadence and ads there is nothing between them.

Both are free to download. VoltOnoJump sells 4 in-app purchases, starting at $1.49 per month. Knows asks for nothing beyond the download.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on September 9, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Knows | VoltOnoJump |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Size | 28 MB | 30 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SOLTILO Knows Inc](https://appshunter.io/developer/1446529762) | [株式会社S-CADE](https://appshunter.io/developer/1621269147) |

## What reviewers say

### Knows

[App page](https://appshunter.io/ios/app/knows/id1446529763)

**In-app purchases:** none


### VoltOnoJump

[App page](https://appshunter.io/ios/app/voltonojump/id1564584022)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VoltOnoJumpCloud 1 User+CSV | $1.49 | per month |
| Cloud 50 User + CSV | $4.99 | per month |
| Cloud 100 User + CSV | $8.99 | per month |
| Cloud 1000 User + CSV | $10.99 | per month |


## Frequently asked questions

### Is Knows free?

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

### Is VoltOnoJump free?

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

### Do Knows or VoltOnoJump have ads?

Neither Knows nor VoltOnoJump shows ads.

### Which is updated more often, Knows or VoltOnoJump?

Knows ships an update monthly, and VoltOnoJump monthly. Most recently, Knows was updated on September 9, 2026 and VoltOnoJump on September 21, 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.*