Comparison

congstar vs eduMFA Authenticator

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

Head to head
About

congstar

Easily manage your mobile plan and track usage with this app. View data, SMS, and minutes, recharge prepaid credit, and manage your SIM or eSIM. Control your tariff and options, update personal details, and access bills.

Highlights
  • Track data, SMS, and minutes usage
  • Manage tariff and options
  • Recharge prepaid credit
  • View bills
  • Manage SIM and eSIM
  • Update personal data
Read full description

Mit der kostenlosen congstar App hast du schnell und einfach volle Kontrolle über deine Verbräuche und deine Daten jederzeit im Blick. Die congstar App bietet dir folgende Funktionen: Für Prepaid & Vertrag - Verbrauch im Blick - Daten, SMS und Minuten einsehen (inkl. Widget für Datenverbrauch) - Tarif & Optionen verwalten - Tarif wechseln, Optionen buchen oder kündigen - Guthaben & Rechnungen - Prepaid-Guthaben aufladen oder Rechnungen als PDF einsehen - SIM & eSIM verwalten - SIM-Karte sperren/tauschen, eSIM aktivieren, PIN & PUK anzeigen - Persönliche Daten ändern - Adresse, Zahlungsdaten oder Legitimations-PIN anpassen Wir entwickeln unsere congstar App kontinuierlich weiter und freuen uns über deine Bewertungen und konstruktiven Hinweise. Die Erklärung zur Barrierefreiheit unserer App findest du unter: https://www.congstar.de/barrierefreiheit Viel Spaß mit unserer App wünscht dir Dein App Team

About

eduMFA Authenticator

Securely verify your identity with educational institutions using this app. It provides fast authentication via push notifications, allowing you to approve or decline login requests with a single tap. Manage multiple tokens and maintain control over your authentication process.

Highlights
  • Fast and secure identity verification
  • Push notification authentication
  • Approve/decline login requests with one tap
  • Manage multiple tokens
  • Efficient search functionality
  • User-friendly interface
Read full description

The eduMFA Authenticator app offers a fast and secure way to verify your identity with educational institutions using eduMFA. Authenticate effortlessly with push notifications—approve or decline login requests with a single tap. Manage multiple tokens, search efficiently, and stay in control of your authentication requests. Designed for simplicity, security, and ease of use.

Screenshots

congstar4 screens
eduMFA Authenticator4 screens

Verdict

The call

The clearest difference is review sentiment: congstar at 73% against eduMFA Authenticator's 0%. congstar also leads on update cadence (fortnightly vs every 5 months). eduMFA Authenticator's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 17.6). On price, ads, in-app purchases and monetization model 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

congstar ships an update fortnightly, eduMFA Authenticator every 5 months. The most recent releases landed on November 6, 2026 and November 4, 2026 respectively.

Scorecard4 real differences · 6 level
congstar versus eduMFA Authenticator: the parameters behind the verdict, then further details
ParametercongstareduMFA Authenticator
PriceFreeFree
Rating4.5 (277 ratings) — better—
Positive reviews72.6% of reviews — better0.0% of reviews
Number of ratings277 — better—
Update frequencyFortnightly — betterEvery 5 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS17.613.0 — better
Further details — not scored
Size205 MB28 MB
Age rating4+4+
Developercongstar GmbHGesellschaft fuer wissenschaftliche Datenverarbeitung mbH

Customer experience

congstar

All ratings277 ratings
Positive88.4%
Neutral2.5%
Negative9.0%
Written reviews73 reviews
Positive72.6%
Neutral6.8%
Negative20.5%

eduMFA Authenticator

Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

congstar

No in-app purchases

None

eduMFA Authenticator

No in-app purchases

Questions

Is congstar free?
congstar is free to download, with no in-app purchases.
Is eduMFA Authenticator free?
eduMFA Authenticator is free to download, with no in-app purchases.
Do congstar or eduMFA Authenticator have ads?
Neither congstar nor eduMFA Authenticator shows ads.
Which is updated more often, congstar or eduMFA Authenticator?
congstar ships an update fortnightly, and eduMFA Authenticator every 5 months. Most recently, congstar was updated on November 6, 2026 and eduMFA Authenticator on November 4, 2026.

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