# Note To Self vs Thetis Tools

The clearest difference is update cadence: Thetis Tools at every 7 months against Note To Self's every 27 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.

Note To Self ships an update every 27 months, Thetis Tools every 7 months. The most recent releases landed on June 7, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Note To Self | Thetis Tools |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/note-to-self-quick-self-email/id733097004/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 27 months | **Every 7 months** |
| Monetization | Free | — |
| Size | 0 MB | 50 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sergey Chernyshev](https://appshunter.io/developer/733097007) | [Thetis srl](https://appshunter.io/developer/397584184) |

## What reviewers say

### Note To Self

[App page](https://appshunter.io/ios/app/note-to-self-quick-self-email/id733097004)

This app allows you to quickly send emails to your own address for tracking to-do items or saving notes. It prioritizes your privacy by not using third-party servers and queues emails for sending when connectivity is available.

**Highlights:** Send emails to your own address, Track to-do items, Save notes for archive, Prioritizes user privacy, Offline email queuing

**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 Note To Self free?

Note To Self 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 Note To Self or Thetis Tools have ads?

Neither Note To Self nor Thetis Tools shows ads.

### Which is updated more often, Note To Self or Thetis Tools?

Note To Self ships an update every 27 months, and Thetis Tools every 7 months. Most recently, Note To Self was updated on June 7, 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.*