Comparison

Device MI vs OptoFidelity Athena

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

About

Device MI

Features

Read full description

Testing for triage and grading of devices made easy, quick and accurate.

About

OptoFidelity Athena

Features

Read full description

OptoFidelity Athena is an app to connect your smart device with OptoFidelity test systems. It provides means for the device to display information for the tester to identify and connect, as well as the device to read information provided by the tester to connect the other way around. App can be used for pulling out test reports from the test system, finding out and providing information about features of the system or device, as well as changing configuration of the system, etc.

Screenshots

Device MI3 screens

OptoFidelity Athena1 screens

Verdict

The call

The clearest difference is update cadence: Device MI at every 2 days against OptoFidelity Athena's every 6 weeks. Device MI also leads on iOS requirement (9.0 vs 12.0). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

Device MI ships an update every 2 days, OptoFidelity Athena every 6 weeks. The most recent releases landed on October 18, 2026 and October 29, 2026 respectively.

Scorecard2 real differences · 4 level

Device MI versus OptoFidelity Athena: the parameters behind the verdict, then further details
Parameter	Device MI	OptoFidelity Athena
Price	Free	Free
Update frequency	Every 2 days — better	Every 6 weeks
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod — better	iPhone, iPod
Requires iOS	9.0 — better	12.0
Further details — not scored
Size	14 MB	10 MB
Age rating	4+	4+
Developer	FutureDial Inc.	OptoFidelity

In-app purchases

None

Device MI

No in-app purchases

None

OptoFidelity Athena

No in-app purchases

Questions

Is Device MI free?

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

Is OptoFidelity Athena free?

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

Do Device MI or OptoFidelity Athena have ads?

Neither Device MI nor OptoFidelity Athena shows ads.

Which is updated more often, Device MI or OptoFidelity Athena?

Device MI ships an update every 2 days, and OptoFidelity Athena every 6 weeks. Most recently, Device MI was updated on October 18, 2026 and OptoFidelity Athena on October 29, 2026.