# Thetis Tools vs LifeSheet

The clearest difference is in-app purchases: Thetis Tools at none against LifeSheet's 2. LifeSheet's advantage is update cadence (every 3 days vs every 7 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. LifeSheet sells 2 in-app purchases, starting at $4.99 per month. Thetis Tools asks for nothing beyond the download.

Thetis Tools ships an update every 7 months, LifeSheet every 3 days. The most recent releases landed on September 10, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | Thetis Tools | LifeSheet |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/lifesheet/id1644353965/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 days** |
| Monetization | — | Free with in-app purchases |
| Size | 50 MB | 8 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Thetis srl](https://appshunter.io/developer/397584184) | [CoinChomp LLC](https://appshunter.io/developer/507804180) |

## What reviewers say

### Thetis Tools

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

**Features:** macOS Compatibility

**In-app purchases:** none


### LifeSheet

[App page](https://appshunter.io/ios/app/lifesheet/id1644353965)

This app helps you understand yourself better by analyzing your thoughts with AI, managing your to-do lists, and setting affirmations. It also allows for journaling and integrating biomarker data for holistic wellness tracking. Your data is kept private and stored locally.

**Highlights:** AI-powered thought analysis, Streamlined to-do lists, Motivational affirmations, Simplistic journaling, Biomarker data integration, Data export/import

**Features:** Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic | $4.99 | per month |
| Premium | $9.99 | per month |


## Frequently asked questions

### Is Thetis Tools free?

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

### Is LifeSheet free?

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

### Do Thetis Tools or LifeSheet have ads?

Neither Thetis Tools nor LifeSheet shows ads.

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

Thetis Tools ships an update every 7 months, and LifeSheet every 3 days. Most recently, Thetis Tools was updated on September 10, 2026 and LifeSheet on September 16, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*