# 试题库 vs Study Timer & Time Tracker

The clearest difference is in-app purchases: 试题库 at none against Study Timer & Time Tracker's 1. 试题库 also leads on ads (none vs shown). Study Timer & Time Tracker's advantage is update cadence (every 4 days vs every 3 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Study Timer & Time Tracker sells 1 one-off in-app purchase. 试题库 asks for nothing beyond the download.

试题库 ships an update every 3 months, Study Timer & Time Tracker every 4 days. The most recent releases landed on September 13, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | 试题库 | Study Timer & Time Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (25 ratings)](https://appshunter.io/ios/app/study-timer-and-time-tracker/id1644638467/reviews)** |
| Number of ratings | — | **25** |
| Positive reviews | — | 80.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 4 days** |
| Monetization | — | Ad-supported |
| Size | 18 MB | 35 MB |
| Requires iOS | 17 | **16.6** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [中科软股教育科技(北京)股份有限公司](https://appshunter.io/developer/1395665821) | [WEBDIA INC.](https://appshunter.io/developer/1271616115) |

## What reviewers say

### 试题库

[App page](https://appshunter.io/ios/app/id1478850740)

**In-app purchases:** none


### Study Timer & Time Tracker

[App page](https://appshunter.io/ios/app/study-timer-and-time-tracker/id1644638467)

Easily track your daily study sessions and visualize your progress with detailed history charts. This app helps you identify subjects needing more attention, encouraging balanced learning for improved academic performance.

**Highlights:** Record study time by subject, Register and manage subjects, View study history with graphs, Visualize time spent on weak subjects, Ad-supported free usage

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is 试题库 free?

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

### Is Study Timer & Time Tracker free?

Study Timer & Time Tracker is free to download, with in-app purchases available.

### Do 试题库 or Study Timer & Time Tracker have ads?

Study Timer & Time Tracker shows ads; 试题库 does not.

### Which is updated more often, 试题库 or Study Timer & Time Tracker?

试题库 ships an update every 3 months, and Study Timer & Time Tracker every 4 days. Most recently, 试题库 was updated on September 13, 2026 and Study Timer & Time Tracker on September 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.*