# FSM Grid 2.0 vs OpteraOne

The clearest difference is iOS requirement: OpteraOne at 13.0 against FSM Grid 2.0's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 6, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | FSM Grid 2.0 | OpteraOne |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Size | 48 MB | 51 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [FSM Global Technologies FZ-LLC](https://appshunter.io/developer/1622610764) | [Akar Inti Teknologi, PT](https://appshunter.io/developer/1590471141) |

## What reviewers say

### FSM Grid 2.0

[App page](https://appshunter.io/ios/app/fsm-grid-20/id6448458546)

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

**In-app purchases:** none


### OpteraOne

[App page](https://appshunter.io/ios/app/opteraone/id6743308472)

**In-app purchases:** none


## Frequently asked questions

### Is FSM Grid 2.0 free?

FSM Grid 2.0 is free to download, with no in-app purchases.

### Is OpteraOne free?

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

### Do FSM Grid 2.0 or OpteraOne have ads?

Neither FSM Grid 2.0 nor OpteraOne shows ads.

### Which is updated more often, FSM Grid 2.0 or OpteraOne?

FSM Grid 2.0 ships an update every 3 weeks, and OpteraOne every 3 weeks. Most recently, FSM Grid 2.0 was updated on October 6, 2026 and OpteraOne on October 4, 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.*