# Jefferson Central J vs Ada+Max

The clearest difference is in-app purchases: Jefferson Central J at none against Ada+Max's 2. Ada+Max's advantage is update cadence (every 9 days vs every 3 months) and device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Ada+Max sells 2 in-app purchases, starting at $6.99 per month. Jefferson Central J asks for nothing beyond the download.

Jefferson Central J ships an update every 3 months, Ada+Max every 9 days. The most recent releases landed on September 28, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Jefferson Central J | Ada+Max |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ada-plus-max-math-problem-solver/id6760734894/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 9 days** |
| Monetization | — | Freemium |
| Size | 143 MB | 72 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jefferson Central School](https://appshunter.io/developer/1628618592) | [Matthew Stellwagen](https://appshunter.io/developer/1097454298) |

## What reviewers say

### Jefferson Central J

[App page](https://appshunter.io/ios/app/jefferson-central-j-hawks-ny/id1628618590)

**In-app purchases:** none


### Ada+Max

[App page](https://appshunter.io/ios/app/ada-plus-max-math-problem-solver/id6760734894)

This app acts as a math tutor and learning game for elementary school children. It offers step-by-step guidance, interactive games, and photo-based problem solving to help kids understand math concepts and build confidence.

**Highlights:** Photo math problem solver, Step-by-step explanations, Interactive math games, Progress tracking, Grade-level difficulty settings, Homework review and feedback

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ada+Max Premium | $6.99 | per month |
| Ada+Max Premium | $59.99 | per year |


## Frequently asked questions

### Is Jefferson Central J free?

Jefferson Central J is free to download, with no in-app purchases.

### Is Ada+Max free?

Ada+Max is free to download, with in-app purchases available.

### Do Jefferson Central J or Ada+Max have ads?

Neither Jefferson Central J nor Ada+Max shows ads.

### Which is updated more often, Jefferson Central J or Ada+Max?

Jefferson Central J ships an update every 3 months, and Ada+Max every 9 days. Most recently, Jefferson Central J was updated on September 28, 2026 and Ada+Max on October 11, 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.*