# WattGuru vs GraceKit

The clearest difference is update cadence: GraceKit at daily against WattGuru's fortnightly. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. WattGuru sells 1 one-off in-app purchase and GraceKit sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

WattGuru ships an update fortnightly, GraceKit daily. The most recent releases landed on November 4, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | WattGuru | GraceKit |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Daily** |
| Size | 9 MB | 140 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Michael Caklec](https://appshunter.io/developer/974662614) | [翼 张](https://appshunter.io/developer/1614130772) |

## What reviewers say

### WattGuru

[App page](https://appshunter.io/ios/app/wattguru/id6741865891)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WattGuru Full Version | $3.99 | one-time |


### GraceKit

[App page](https://appshunter.io/ios/app/gracekit-bible-verse-widget/id6777379325)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GraceKit Pro Monthly | $2.99 | per month |
| GraceKit Pro Yearly | $19.99 | per year |
| GraceKit Pro Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is WattGuru free?

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

### Is GraceKit free?

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

### Do WattGuru or GraceKit have ads?

Neither WattGuru nor GraceKit shows ads.

### Which is updated more often, WattGuru or GraceKit?

WattGuru ships an update fortnightly, and GraceKit daily. Most recently, WattGuru was updated on November 4, 2026 and GraceKit on November 8, 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.*