# Meriastro vs TDP

The clearest difference is update cadence: Meriastro at every 2 days against TDP's every 3 months. Meriastro also leads on iOS requirement (12.0 vs 15.1). 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.

Meriastro ships an update every 2 days, TDP every 3 months. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Meriastro | TDP |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 3 months |
| Size | 96 MB | 179 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [enes dur](https://appshunter.io/developer/1722225946) | [BERA ARGE YAZILIM VE DANIŞMANLIKHİZMETLERİ TİC. VE SAN. LTD. ŞTİ.](https://appshunter.io/developer/1482370186) |

## What reviewers say

### Meriastro

[App page](https://appshunter.io/ios/app/meriastro/id6744556841)

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

**In-app purchases:** none


### TDP

[App page](https://appshunter.io/ios/app/tdp/id6759795900)

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

**In-app purchases:** none


## Frequently asked questions

### Is Meriastro free?

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

### Is TDP free?

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

### Do Meriastro or TDP have ads?

Neither Meriastro nor TDP shows ads.

### Which is updated more often, Meriastro or TDP?

Meriastro ships an update every 2 days, and TDP every 3 months. Most recently, Meriastro was updated on October 25, 2026 and TDP on October 24, 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.*