# ChemistryEquations vs ChemSnap

The clearest difference is update cadence: ChemistryEquations at every 3 weeks against ChemSnap's every 9 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. ChemistryEquations sells 1 one-off in-app purchase and ChemSnap sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

ChemistryEquations ships an update every 3 weeks, ChemSnap every 9 months. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | ChemistryEquations | ChemSnap |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 9 months |
| Size | 13 MB | 29 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Robert J Sarvis Jr](https://appshunter.io/developer/1531648349) | [Sachin Kharb](https://appshunter.io/developer/1823074694) |

## 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 |


### ChemSnap

[App page](https://appshunter.io/ios/app/chemsnap-equation-balancer/id6747836110)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ChemSnap Monthly | $0.99 | per month |
| Balancer Pro- Annual | $9.99 | per year |
| ChemSnap Pro | $14.99 | one-time |


## Frequently asked questions

### Is ChemistryEquations free?

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

### Is ChemSnap free?

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

### Do ChemistryEquations or ChemSnap have ads?

Neither ChemistryEquations nor ChemSnap shows ads.

### Which is updated more often, ChemistryEquations or ChemSnap?

ChemistryEquations ships an update every 3 weeks, and ChemSnap every 9 months. Most recently, ChemistryEquations was updated on October 28, 2026 and ChemSnap on October 25, 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.*