# ChemistryEquations vs 1Z0

ChemistryEquations and 1Z0 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. ChemistryEquations sells 1 one-off in-app purchase and 1Z0 sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on November 8, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | ChemistryEquations | 1Z0 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Size | 13 MB | 45 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Robert J Sarvis Jr](https://appshunter.io/developer/1531648349) | [EXAMCERT PTY LTD](https://appshunter.io/developer/1830664214) |

## What reviewers say

### ChemistryEquations

[App page](https://appshunter.io/ios/app/chemistryequations/id6738890420)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Advanced Equations | $0.99 | one-time |


### 1Z0

[App page](https://appshunter.io/ios/app/1z0-809-java-8-ocp-exam-2026/id6758898205)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 200 AI Credits | $1.99 | one-time |
| Unlock Premium | $5.99 | one-time |


## Frequently asked questions

### Is ChemistryEquations free?

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

### Is 1Z0 free?

1Z0 is free to download, with in-app purchases available.

### Do ChemistryEquations or 1Z0 have ads?

Neither ChemistryEquations nor 1Z0 shows ads.

### Which is updated more often, ChemistryEquations or 1Z0?

ChemistryEquations ships an update every 3 weeks, and 1Z0 every 3 weeks. Most recently, ChemistryEquations was updated on November 8, 2026 and 1Z0 on November 5, 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.*