# Watt Map vs IKARUS Grid

The clearest difference is update cadence: IKARUS Grid at every 2 weeks against Watt Map's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Watt Map ships an update every 3 months, IKARUS Grid every 2 weeks. The most recent releases landed on October 12, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Watt Map | IKARUS Grid |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Size | 85 MB | 59 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Ali Hendy](https://appshunter.io/developer/1713551351) | [IKARUS ELECTRIC FOR ELECTRIC VEHICLES SERVICES](https://appshunter.io/developer/1706693622) |

## What reviewers say

### Watt Map

[App page](https://appshunter.io/ios/app/watt-map/id6471923827)

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

**In-app purchases:** none


### IKARUS Grid

[App page](https://appshunter.io/ios/app/ikarus-grid/id6758589455)

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

**In-app purchases:** none


## Frequently asked questions

### Is Watt Map free?

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

### Is IKARUS Grid free?

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

### Do Watt Map or IKARUS Grid have ads?

Neither Watt Map nor IKARUS Grid shows ads.

### Which is updated more often, Watt Map or IKARUS Grid?

Watt Map ships an update every 3 months, and IKARUS Grid every 2 weeks. Most recently, Watt Map was updated on October 12, 2026 and IKARUS Grid on October 1, 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.*