# SC Formula vs GrainCheck

The clearest difference is in-app purchases: SC Formula at none against GrainCheck's 2. SC Formula also leads on update cadence (every 2 weeks vs every 6 weeks). GrainCheck's advantage is device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. GrainCheck sells 2 in-app purchases, starting at $0.99 per month. SC Formula asks for nothing beyond the download.

SC Formula ships an update every 2 weeks, GrainCheck every 6 weeks. The most recent releases landed on July 31, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | SC Formula | GrainCheck |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 6 weeks |
| Size | 91 MB | 11 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [TORGOVY DIM SKF, TOV](https://appshunter.io/developer/1748790620) | [Softinform TOV](https://appshunter.io/developer/1329902448) |

## What reviewers say

### SC Formula

[App page](https://appshunter.io/ios/app/sc-formula/id6503295284)

**Features:** macOS Compatibility

**In-app purchases:** none


### GrainCheck

[App page](https://appshunter.io/ios/app/graincheck/id6761753467)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GrainCheck Pro Monthly | $0.99 | per month |
| GrainCheck Pro Annual | $9.99 | per year |


## Frequently asked questions

### Is SC Formula free?

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

### Is GrainCheck free?

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

### Do SC Formula or GrainCheck have ads?

Neither SC Formula nor GrainCheck shows ads.

### Which is updated more often, SC Formula or GrainCheck?

SC Formula ships an update every 2 weeks, and GrainCheck every 6 weeks. Most recently, SC Formula was updated on July 31, 2026 and GrainCheck on September 20, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*