# Study Stats app vs Astra AI

The clearest difference is in-app purchases: Study Stats app at none against Astra AI's 10. Study Stats app also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.0). Astra AI's advantage is update cadence (every 4 days vs every 3 weeks) and chart position (#132 vs unranked). On price and device support there is nothing between them.

Both are free to download. Astra AI sells 10 in-app purchases, starting at $8.00 per 7 days. Study Stats app asks for nothing beyond the download.

Study Stats app ships an update every 3 weeks, Astra AI every 4 days. The most recent releases landed on October 4, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Study Stats app | Astra AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (5.4K ratings)](https://appshunter.io/ios/app/astra-ai-study-and-exam-prep/id6751030141/reviews)** |
| Number of ratings | — | **5.4K** |
| Positive reviews | — | 81.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Monetization | — | Free with in-app purchases |
| Best chart rank | — | **#132** |
| Size | 48 MB | 26 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 9+ |
| Developer | [Chinedum Okpechi](https://appshunter.io/developer/1730044147) | [Astra AI d.o.o.](https://appshunter.io/developer/1833181873) |

## What reviewers say

### Study Stats app

[App page](https://appshunter.io/ios/app/study-stats-app/id6477740443)

**Features:** macOS Compatibility

**In-app purchases:** none


### Astra AI

[App page](https://appshunter.io/ios/app/astra-ai-study-and-exam-prep/id6751030141)

**Currently charting:** #132 Top Free · Education (US App Store)

This AI-powered tutoring app provides personalized, step-by-step assistance for a wide range of subjects including math, physics, and chemistry. It offers instant solutions to homework problems, targeted exam preparation, and in-depth subject exploration to help students learn more efficiently and build confidence.

**Highlights:** Snap and solve homework problems, Step-by-step problem solving, Personalized exam preparation, Curriculum-aligned lessons, 24/7 subject support, Covers 14 subjects

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Astra AI Plus - Weekly | $8.00 | per 7 days |
| Astra AI Plus - Monthly | $24.00 | per month |
| Astra AI Sigma - Monthly | $80.00 | per month |
| Astra AI Plus - Yearly | $119.99 | per year |
| Astra AI Plus - Monthly (12 Mo Com) | $119.99 | per year |
| Astra AI Plus - Yearly | $119.99 | per year |
| Credit Pack 2x | $15.00 | one-time |
| Credit Pack 3x | $28.00 | one-time |
| Credit Pack 5x | $52.00 | one-time |
| Credit Pack 10x | $99.00 | one-time |


## Frequently asked questions

### Is Study Stats app free?

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

### Is Astra AI free?

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

### Do Study Stats app or Astra AI have ads?

Astra AI shows ads; Study Stats app does not.

### Which is updated more often, Study Stats app or Astra AI?

Study Stats app ships an update every 3 weeks, and Astra AI every 4 days. Most recently, Study Stats app was updated on October 4, 2026 and Astra AI on November 2, 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.*