# Thetis Tools vs That Checklist

The clearest difference is price: Thetis Tools at Free against That Checklist's $0.99. Thetis Tools also leads on iOS requirement (14.0 vs 16.0). That Checklist's advantage is update cadence (fortnightly vs every 7 months). On ads, in-app purchases and device support there is nothing between them.

Thetis Tools is free to download; That Checklist costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Thetis Tools ships an update every 7 months, That Checklist fortnightly. Both last shipped on September 10, 2026.

## The numbers

| Metric | Thetis Tools | That Checklist |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/that-checklist/id6445799825/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Fortnightly** |
| Monetization | — | Paid |
| Size | 50 MB | 1 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Thetis srl](https://appshunter.io/developer/397584184) | [Ebey Tech LLC](https://appshunter.io/developer/1070086766) |

## What reviewers say

### Thetis Tools

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

**Features:** macOS Compatibility

**In-app purchases:** none


### That Checklist

[App page](https://appshunter.io/ios/app/that-checklist/id6445799825)

Organize tasks and information with a hierarchical checklist system. Create navigable entries, group content, and easily edit or reorder items. Powerful filtering helps you find specific information quickly.

**Highlights:** Hierarchical checklist organization, Quick data entry, Editable navigation items, Tree view for complex lists, Content reordering, Powerful filtering

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Thetis Tools free?

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

### Is That Checklist free?

That Checklist costs $0.99, with no in-app purchases.

### Do Thetis Tools or That Checklist have ads?

Neither Thetis Tools nor That Checklist shows ads.

### Which is updated more often, Thetis Tools or That Checklist?

Thetis Tools ships an update every 7 months, and That Checklist fortnightly. Most recently, Thetis Tools was updated on September 10, 2026 and That Checklist 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.*