# Sketch vs Thetis Tools

Sketch and Thetis Tools are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Both ship on a similar rhythm, roughly every 7 months. The most recent releases landed on June 8, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Sketch | Thetis Tools |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.6 (7 ratings)](https://appshunter.io/ios/app/sketch-notes/id883802060/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | Every 7 months |
| Monetization | Free | — |
| Size | 5 MB | 50 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Francesco Abbondo](https://appshunter.io/developer/882842549) | [Thetis srl](https://appshunter.io/developer/397584184) |

## What reviewers say

### Sketch

[App page](https://appshunter.io/ios/app/sketch-notes/id883802060)

Create drawings and sketches directly on your device. Offers a wide range of colors, adjustable brush thickness, and transparency options for detailed artwork. Compatible across Apple devices.

**Highlights:** Minimalist interface, 16 million+ color selection, Adjustable brush thickness, Color transparency, Cross-device compatibility

**Features:** macOS Compatibility

**In-app purchases:** none


### Thetis Tools

[App page](https://appshunter.io/ios/app/thetis-tools/id1460268980)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sketch free?

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

### Is Thetis Tools free?

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

### Do Sketch or Thetis Tools have ads?

Neither Sketch nor Thetis Tools shows ads.

### Which is updated more often, Sketch or Thetis Tools?

Sketch ships an update every 7 months, and Thetis Tools every 7 months. Most recently, Sketch was updated on June 8, 2026 and Thetis Tools on September 10, 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.*