# DataONE FSM vs myCiena

The clearest difference is iOS requirement: DataONE FSM at 15.1 against myCiena's 17.0. 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 2 months. The most recent releases landed on September 19, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | DataONE FSM | myCiena |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Size | 46 MB | 104 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [DataOne Systems, LLC](https://appshunter.io/developer/1619087029) | [Ciena](https://appshunter.io/developer/646843125) |

## What reviewers say

### DataONE FSM

[App page](https://appshunter.io/ios/app/dataone-fsm/id1619087027)

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

**In-app purchases:** none


### myCiena

[App page](https://appshunter.io/ios/app/myciena/id6449017102)

**In-app purchases:** none


## Frequently asked questions

### Is DataONE FSM free?

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

### Is myCiena free?

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

### Do DataONE FSM or myCiena have ads?

Neither DataONE FSM nor myCiena shows ads.

### Which is updated more often, DataONE FSM or myCiena?

DataONE FSM ships an update every 2 months, and myCiena every 2 months. Most recently, DataONE FSM was updated on September 19, 2026 and myCiena on September 8, 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.*