# TDMS vs META

The clearest difference is update cadence: META at every 2 months against TDMS's every 26 months. META also leads on iOS requirement (13.0 vs 15.0). 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.

TDMS ships an update every 26 months, META every 2 months. Both last shipped on November 8, 2026.

## The numbers

| Metric | TDMS | META |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 26 months | **Every 2 months** |
| Size | 4 MB | 235 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TOHNICHI MFG.CO., LTD.](https://appshunter.io/developer/1609166229) | [solomon](https://appshunter.io/developer/1777960070) |

## What reviewers say

### TDMS

[App page](https://appshunter.io/ios/app/tdms/id6479276073)

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

**In-app purchases:** none


### META

[App page](https://appshunter.io/ios/app/meta-aivi-ar-plus-ai-vision-system/id6739096166)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TDMS free?

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

### Is META free?

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

### Do TDMS or META have ads?

Neither TDMS nor META shows ads.

### Which is updated more often, TDMS or META?

TDMS ships an update every 26 months, and META every 2 months. Most recently, TDMS was updated on November 8, 2026 and META on November 8, 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.*