# enerchart app vs Watto

The clearest difference is in-app purchases: enerchart app at none against Watto's 4. enerchart app also leads on update cadence (monthly vs every 2 months) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Watto sells 4 one-off in-app purchases. enerchart app asks for nothing beyond the download.

enerchart app ships an update monthly, Watto every 2 months. The most recent releases landed on October 19, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | enerchart app | Watto |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Size | 41 MB | 4 MB |
| Requires iOS | **15.5** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [krumedia GmbH](https://appshunter.io/developer/1553882725) | [Erik Aigner](https://appshunter.io/developer/422975586) |

## What reviewers say

### enerchart app

[App page](https://appshunter.io/ios/app/enerchart-app/id1553882723)

**Features:** Vision Pro support

**In-app purchases:** none


### Watto

[App page](https://appshunter.io/ios/app/watto/id6462795022)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.99 | one-time |
| Medium Tip | $2.99 | one-time |
| Large Tip | $3.99 | one-time |
| Extra Large Tip | $8.99 | one-time |


## Frequently asked questions

### Is enerchart app free?

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

### Is Watto free?

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

### Do enerchart app or Watto have ads?

Neither enerchart app nor Watto shows ads.

### Which is updated more often, enerchart app or Watto?

enerchart app ships an update monthly, and Watto every 2 months. Most recently, enerchart app was updated on October 19, 2026 and Watto on October 12, 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.*