# TestDriller NCEE vs Chemistry AI － Problem Solver

The clearest difference is update cadence: Chemistry AI － Problem Solver at every 3 weeks against TestDriller NCEE's every 5 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. TestDriller NCEE sells 4 one-off in-app purchases and Chemistry AI － Problem Solver sells 2 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

TestDriller NCEE ships an update every 5 months, Chemistry AI － Problem Solver every 3 weeks. The most recent releases landed on October 12, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | TestDriller NCEE | Chemistry AI － Problem Solver |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 3 weeks** |
| Size | 180 MB | 8 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [IAF SAWII Limited](https://appshunter.io/developer/1797236461) | [Rudenko Andrii](https://appshunter.io/developer/1858246209) |

## What reviewers say

### TestDriller NCEE

[App page](https://appshunter.io/ios/app/testdriller-ncee/id6754585904)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100,000 Tokens | $0.99 | one-time |
| 50,000 Tokens | $0.99 | one-time |
| 200,000 Tokens | $1.99 | one-time |
| Activation Key For NCEE 2026 | $3.99 | one-time |


### Chemistry AI － Problem Solver

[App page](https://appshunter.io/ios/app/chemistry-ai-problem-solver/id6761809538)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chemistry AI Premium | $4.99 | per 7 days |
| Chemistry AI Premium | $24.99 | per year |


## Frequently asked questions

### Is TestDriller NCEE free?

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

### Is Chemistry AI － Problem Solver free?

Chemistry AI － Problem Solver is free to download, with in-app purchases available.

### Do TestDriller NCEE or Chemistry AI － Problem Solver have ads?

Neither TestDriller NCEE nor Chemistry AI － Problem Solver shows ads.

### Which is updated more often, TestDriller NCEE or Chemistry AI － Problem Solver?

TestDriller NCEE ships an update every 5 months, and Chemistry AI － Problem Solver every 3 weeks. Most recently, TestDriller NCEE was updated on October 12, 2026 and Chemistry AI － Problem Solver 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.*