# AJC vs Lumist

The clearest difference is in-app purchases: AJC at none against Lumist's 4. AJC also leads on iOS requirement (13.0 vs 15.0). Lumist's advantage is update cadence (every 9 days vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. Lumist sells 4 in-app purchases, starting at $29.99 per month. AJC asks for nothing beyond the download.

AJC ships an update every 3 months, Lumist every 9 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | AJC | Lumist |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/lumist-all-in-one-ai-sat-prep/id6766083621/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 9 days** |
| Monetization | — | Freemium |
| Size | 56 MB | 136 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Minh Nguyen Ba](https://appshunter.io/developer/1549498900) | [Lumist Inc](https://appshunter.io/developer/1896188854) |

## What reviewers say

### AJC

[App page](https://appshunter.io/ios/app/ajc-e/id6763201245)

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

**In-app purchases:** none


### Lumist

[App page](https://appshunter.io/ios/app/lumist-all-in-one-ai-sat-prep/id6766083621)

This AI-powered tool offers personalized SAT practice, daily study missions, and vocabulary building. It provides insights into performance, identifies weak areas, and guides review to help students improve their scores and build consistent study habits.

**Highlights:** Personalized SAT practice, AI-guided explanations, Daily study missions, Vocabulary practice, Progress tracking, Gamified rewards

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lumist Premium Monthly | $29.99 | per month |
| Lumist Premium 3 Months | $41.99 | per 3 months |
| Lumist Premium 3 Months | $69.99 | per 3 months |
| Lumist Premium Yearly | $169.99 | per year |


## Frequently asked questions

### Is AJC free?

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

### Is Lumist free?

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

### Do AJC or Lumist have ads?

Neither AJC nor Lumist shows ads.

### Which is updated more often, AJC or Lumist?

AJC ships an update every 3 months, and Lumist every 9 days. Most recently, AJC was updated on October 25, 2026 and Lumist on October 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.*