# Σήματα vs Δρ. Tom Cat

The clearest difference is ads: Δρ. Tom Cat at none against Σήματα's shown. Σήματα's advantage is update cadence (every 7 months vs every 43 months) and iOS requirement (12.0 vs 16.0). On price, 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.

Σήματα ships an update every 7 months, Δρ. Tom Cat every 43 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Σήματα | Δρ. Tom Cat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/id492983652/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 7 months** | Every 43 months |
| Size | 178 MB | 182 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [AppDVision](https://appshunter.io/developer/486183667) | [Christos Malliarakis](https://appshunter.io/developer/1390240088) |

## What reviewers say

### Σήματα

[App page](https://appshunter.io/ios/app/id492983652)

**Features:** macOS Compatibility

**In-app purchases:** none


### Δρ. Tom Cat

[App page](https://appshunter.io/ios/app/tom-cat-ar/id1473733414)

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

**In-app purchases:** none


## Frequently asked questions

### Is Σήματα free?

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

### Is Δρ. Tom Cat free?

Δρ. Tom Cat is free to download, with no in-app purchases.

### Do Σήματα or Δρ. Tom Cat have ads?

Σήματα shows ads; Δρ. Tom Cat does not.

### Which is updated more often, Σήματα or Δρ. Tom Cat?

Σήματα ships an update every 7 months, and Δρ. Tom Cat every 43 months. Most recently, Σήματα was updated on November 1, 2026 and Δρ. Tom Cat on November 3, 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.*