# LumiSource vs AI Study Notes

The clearest difference is in-app purchases: LumiSource at none against AI Study Notes's 6. AI Study Notes's advantage is update cadence (every 6 weeks vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. AI Study Notes sells 6 in-app purchases, starting at $14.99 per month. LumiSource asks for nothing beyond the download.

LumiSource ships an update every 3 months, AI Study Notes every 6 weeks. The most recent releases landed on October 12, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | LumiSource | AI Study Notes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (91 ratings)](https://appshunter.io/ios/app/lumisource-exam-prep/id6746340356/reviews)** | — |
| Number of ratings | **91** | — |
| Positive reviews | 93.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 81 MB | 19 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [CaseHippo Inc](https://appshunter.io/developer/1551575873) | [紫妍 连](https://appshunter.io/developer/1869185039) |

## What reviewers say

### LumiSource

[App page](https://appshunter.io/ios/app/lumisource-exam-prep/id6746340356)

Prepare for AP exams with condensed study guides and realistic practice tests. This app offers mobile-optimized content for efficient review anytime, anywhere. It currently supports over 10 AP subjects.

**Highlights:** Condensed study guides, Realistic practice tests, Detailed answer breakdowns, Mobile-optimized for on-the-go study, Supports over 10 AP subjects

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

**In-app purchases:** none


### AI Study Notes

[App page](https://appshunter.io/ios/app/ai-study-notes-astralect/id6801450839)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter Monthly | $14.99 | per month |
| Pro Monthly | $24.99 | per month |
| Max Monthly | $39.99 | per month |
| Starter Yearly | $119.99 | per year |
| Pro Yearly | $199.99 | per year |
| Max Yearly | $319.99 | per year |


## Frequently asked questions

### Is LumiSource free?

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

### Is AI Study Notes free?

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

### Do LumiSource or AI Study Notes have ads?

Neither LumiSource nor AI Study Notes shows ads.

### Which is updated more often, LumiSource or AI Study Notes?

LumiSource ships an update every 3 months, and AI Study Notes every 6 weeks. Most recently, LumiSource was updated on October 12, 2026 and AI Study Notes 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.*