# T vs 易星EstarPro

The clearest difference is rating: T at 5.0 against 易星EstarPro's 2.0. 易星EstarPro's advantage is update cadence (every 3 weeks vs every 3 months) and ratings volume (3 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

T holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

T ships an update every 3 months, 易星EstarPro every 3 weeks. Both last shipped on October 6, 2026.

## The numbers

| Metric | T | 易星EstarPro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/t-key/id1420460827/reviews)** | [2.0 (3 ratings)](https://appshunter.io/ios/app/estarpro/id1546950227/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 2 MB | 83 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tiger Trade Technology Pte Ltd](https://appshunter.io/developer/1853491214) | [Zhengzhou Esunny Information Technology Co., Ltd.](https://appshunter.io/developer/947287047) |

## What reviewers say

### T

[App page](https://appshunter.io/ios/app/t-key/id1420460827)

This app provides enhanced account protection with two-step verification and dynamic passcodes that refresh every 30 seconds. It supports multiple accounts under a single key, eliminating the need to switch between them for trading.

**Highlights:** Easy to use, no plug-ins needed, Two-step verification (trading password & dynamic passcode), Dynamic passcode refreshed every 30 seconds, Multi-account protection, All-in-one account protection key

**In-app purchases:** none


### 易星EstarPro

[App page](https://appshunter.io/ios/app/estarpro/id1546950227)

Access real-time, in-depth market data from over a dozen domestic and international exchanges. This utility connects with various trading systems for comprehensive financial insights.

**Highlights:** Deep market data for domestic and international exchanges, Connects with trading systems (CTP, Hithink, Kingstar), Real-time financial insights, Mobile terminal access

**In-app purchases:** none


## Frequently asked questions

### Is T free?

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

### Is 易星EstarPro free?

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

### Which has better reviews, T or 易星EstarPro?

T is rated higher. T averages 5.0 out of 5 from 1 ratings, while 易星EstarPro averages 2.0 from 3 ratings.

### Do T or 易星EstarPro have ads?

Neither T nor 易星EstarPro shows ads.

### Which is updated more often, T or 易星EstarPro?

T ships an update every 3 months, and 易星EstarPro every 3 weeks. Most recently, T was updated on October 6, 2026 and 易星EstarPro on October 6, 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.*