# JSmartApp vs ONESTO SOLAR

The clearest difference is in-app purchases: ONESTO SOLAR at none against JSmartApp's 3. ONESTO SOLAR also leads on iOS requirement (8.0 vs 15.5). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. JSmartApp sells 3 one-off in-app purchases. ONESTO SOLAR asks for nothing beyond the download.

JSmartApp ships an update every 7 months, ONESTO SOLAR every 4 months. The most recent releases landed on October 25, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | JSmartApp | ONESTO SOLAR |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 4 months** |
| Size | 7 MB | 59 MB |
| Requires iOS | 15.5 | **8.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Julian Werfel](https://appshunter.io/developer/1550842863) | [Zhejiang Onesto Electric Co.,Ltd.](https://appshunter.io/developer/1705153314) |

## What reviewers say

### JSmartApp

[App page](https://appshunter.io/ios/app/jsmartapp/id1643991300)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.99 | one-time |
| Medium Tip | $2.99 | one-time |
| Large Tip | $4.99 | one-time |


### ONESTO SOLAR

[App page](https://appshunter.io/ios/app/onesto-solar/id6443592685)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is JSmartApp free?

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

### Is ONESTO SOLAR free?

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

### Do JSmartApp or ONESTO SOLAR have ads?

Neither JSmartApp nor ONESTO SOLAR shows ads.

### Which is updated more often, JSmartApp or ONESTO SOLAR?

JSmartApp ships an update every 7 months, and ONESTO SOLAR every 4 months. Most recently, JSmartApp was updated on October 25, 2026 and ONESTO SOLAR on October 7, 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.*