# TPASS.calc vs 看座

The clearest difference is ads: TPASS.calc at none against 看座's shown. TPASS.calc also leads on update cadence (every 2 days vs weekly). 看座's advantage is iOS requirement (16 vs 18.0). 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.

TPASS.calc ships an update every 2 days, 看座 weekly. Both last shipped on November 5, 2026.

## The numbers

| Metric | TPASS.calc | 看座 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 days** | Weekly |
| Size | 86 MB | 114 MB |
| Requires iOS | 18.0 | **16** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CHENG RUEI HSU](https://appshunter.io/developer/1871371578) | [Yu Cheng Lin](https://appshunter.io/developer/1314295370) |

## What reviewers say

### TPASS.calc

[App page](https://appshunter.io/ios/app/tpasscalc/id6758194196)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support, iPhone Duo support

**In-app purchases:** none


### 看座

[App page](https://appshunter.io/ios/app/id6788495960)

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

**In-app purchases:** none


## Frequently asked questions

### Is TPASS.calc free?

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

### Is 看座 free?

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

### Do TPASS.calc or 看座 have ads?

看座 shows ads; TPASS.calc does not.

### Which is updated more often, TPASS.calc or 看座?

TPASS.calc ships an update every 2 days, and 看座 weekly. Most recently, TPASS.calc was updated on November 5, 2026 and 看座 on November 5, 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.*