# TempoTrack vs Zhizhi

The clearest difference is in-app purchases: Zhizhi at none against TempoTrack's 1. Zhizhi also leads on iOS requirement (12.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. TempoTrack sells 1 one-off in-app purchase. Zhizhi asks for nothing beyond the download.

## The numbers

| Metric | TempoTrack | Zhizhi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/zhizhi/id6740143014/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 months | — |
| Monetization | — | Free |
| Size | 4 MB | 38 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad, iPod, Mac | iPhone, iPad, iPod, Mac |
| Age rating | 12+ | 4+ |
| Developer | [MULTIAPS S.L.](https://appshunter.io/developer/1416723699) | [CoreSpeed Inc.](https://appshunter.io/developer/1717281942) |

## What reviewers say

### TempoTrack

[App page](https://appshunter.io/ios/app/tempotrack/id6447304197)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Version | $0.99 | one-time |


### Zhizhi

[App page](https://appshunter.io/ios/app/zhizhi/id6740143014)

This app uses AI to provide instant, one-minute podcast-style explanations of academic terms and content on each page of your documents. It acts like a personal tutor, making complex papers and lectures more accessible.

**Highlights:** AI-powered explanations, One-minute summaries per page, Academic term clarification, Document content analysis, Personalized tutor experience

**In-app purchases:** none


## Frequently asked questions

### Is TempoTrack free?

TempoTrack is free to download, with in-app purchases available.

### Is Zhizhi free?

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

### Do TempoTrack or Zhizhi have ads?

Neither TempoTrack nor Zhizhi shows ads.

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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.*