# Securitas Larm vs TDA

Securitas Larm and TDA 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.

Securitas Larm ships an update every 6 months, TDA every 5 months. The most recent releases landed on October 26, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Securitas Larm | TDA |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 months** |
| Size | 2 MB | 16 MB |
| Requires iOS | 14.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Securitas Sverige AB](https://appshunter.io/developer/640961186) | [Wizdo AB](https://appshunter.io/developer/1658044565) |

## What reviewers say

### Securitas Larm

[App page](https://appshunter.io/ios/app/securitas-larm/id640961183)

**Features:** macOS Compatibility

**In-app purchases:** none


### TDA

[App page](https://appshunter.io/ios/app/tda/id6444949806)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Securitas Larm free?

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

### Is TDA free?

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

### Do Securitas Larm or TDA have ads?

Neither Securitas Larm nor TDA shows ads.

### Which is updated more often, Securitas Larm or TDA?

Securitas Larm ships an update every 6 months, and TDA every 5 months. Most recently, Securitas Larm was updated on October 26, 2026 and TDA on October 19, 2026.

---

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