# SmartLab35 vs Grain

The clearest difference is in-app purchases: SmartLab35 at none against Grain's 2. Grain's advantage is update cadence (every 2 days vs every 5 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Grain sells 2 in-app purchases, starting at $4.99 per month. SmartLab35 asks for nothing beyond the download.

SmartLab35 ships an update every 5 weeks, Grain every 2 days. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | SmartLab35 | Grain |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 2 days** |
| Size | 23 MB | 42 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | **iPhone, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [SANTIAGO FRANCISCO RAMIREZ SONNTAG](https://appshunter.io/developer/1721708676) | [KAI VIBOON VIGNAU](https://appshunter.io/developer/6775908599) |

## What reviewers say

### SmartLab35

[App page](https://appshunter.io/ios/app/smartlab35/id6474482009)

**Features:** macOS Compatibility

**In-app purchases:** none


### Grain

[App page](https://appshunter.io/ios/app/grain-film-tracker/id6775908597)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Grain Pro Monthly | $4.99 | per month |
| Grain Pro Yearly | $39.99 | per year |


## Frequently asked questions

### Is SmartLab35 free?

SmartLab35 is free to download, with no in-app purchases.

### Is Grain free?

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

### Do SmartLab35 or Grain have ads?

Neither SmartLab35 nor Grain shows ads.

### Which is updated more often, SmartLab35 or Grain?

SmartLab35 ships an update every 5 weeks, and Grain every 2 days. Most recently, SmartLab35 was updated on November 4, 2026 and Grain on November 5, 2026.

---

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