# WattTools vs ComplicaJSON

The clearest difference is in-app purchases: ComplicaJSON at none against WattTools's 2. WattTools's advantage is iOS requirement (15.0 vs 18.5). On price, ads and device support there is nothing between them.

Both are free to download. WattTools sells 2 in-app purchases, starting at $0.99 per 7 days. ComplicaJSON asks for nothing beyond the download.

## The numbers

| Metric | WattTools | ComplicaJSON |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Size | 101 MB | 14 MB |
| Requires iOS | **15.0** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [源 张](https://appshunter.io/developer/1649775012) | [Almost Good Enough ApS](https://appshunter.io/developer/1067555461) |

## What reviewers say

### WattTools

[App page](https://appshunter.io/ios/app/watttools/id6476344694)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly subscription | $0.99 | per 7 days |
| 3Credits | $0.99 | one-time |


### ComplicaJSON

[App page](https://appshunter.io/ios/app/complicajson/id6748659803)

**In-app purchases:** none


## Frequently asked questions

### Is WattTools free?

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

### Is ComplicaJSON free?

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

### Do WattTools or ComplicaJSON have ads?

Neither WattTools nor ComplicaJSON shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*