# TZMate(同桌助手) vs Linear Algebra

The clearest difference is in-app purchases: Linear Algebra at none against TZMate(同桌助手)'s 13. TZMate(同桌助手)'s advantage is iOS requirement (13.0 vs 17.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. TZMate(同桌助手) sells 13 in-app purchases, starting at $3.99 per 7 days. Linear Algebra asks for nothing beyond the download.

TZMate(同桌助手) ships an update monthly, Linear Algebra every 5 weeks. The most recent releases landed on October 2, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | TZMate(同桌助手) | Linear Algebra |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/tzmate/id6476057593/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 102 MB | 73 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [鹏 刘](https://appshunter.io/developer/1725531640) | [光浩 李](https://appshunter.io/developer/1576352133) |

## What reviewers say

### TZMate(同桌助手)

[App page](https://appshunter.io/ios/app/tzmate/id6476057593)

This tool offers real-time speech and screen translation to break down language barriers. It supports multiple languages for seamless communication in international meetings, travel, and study abroad.

**Highlights:** Real-time speech interpretation, Screen content translation, Multi-language text translation, Translation history, Simple and efficient interface

**Features:** macOS Compatibility

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 同桌-会员连续包周 | $3.99 | per 7 days |
| 同桌-会员连续包月 | $6.99 | per month |
| 同桌-会员连续包年 | $29.99 | per year |
| Transcription package 3000m | $4.99 | one-time |
| 妙蛙屏幕月卡 | $9.99 | one-time |
| Transcription package 3000m | $17.99 | one-time |
| interpret Pro package 360m | $17.99 | one-time |
| 妙蛙600点 | $17.99 | one-time |
| 妙蛙年会员 | $17.99 | one-time |
| 同传Pro时长包720分钟 | $29.99 | one-time |
| 妙蛙1200点 | $29.99 | one-time |
| 妙蛙点数2520点 | $59.99 | one-time |
| interpret Pro package 8400m | $149.99 | one-time |


### Linear Algebra

[App page](https://appshunter.io/ios/app/linear-algebra-matrix-solver/id6766080565)

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

**In-app purchases:** none


## Frequently asked questions

### Is TZMate(同桌助手) free?

TZMate(同桌助手) is free to download, with in-app purchases available.

### Is Linear Algebra free?

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

### Do TZMate(同桌助手) or Linear Algebra have ads?

Neither TZMate(同桌助手) nor Linear Algebra shows ads.

### Which is updated more often, TZMate(同桌助手) or Linear Algebra?

TZMate(同桌助手) ships an update monthly, and Linear Algebra every 5 weeks. Most recently, TZMate(同桌助手) was updated on October 2, 2026 and Linear Algebra on October 10, 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.*