Comparison

Allo Saint vs echOpen ON

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

Head to head
About

Allo Saint

Features
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Développée par le Groupe Hospitalier Paris Saint-Joseph, l’application « Allo St Jo » s’adresse plus particulièrement aux médecins de ville en relation avec l’hôpital Saint-Joseph afin de faciliter le parcours du patient. Cette application propose : - Les lignes médicales d’urgence, les lignes médicales directes par spécialité. - Les numéros d’accès direct aux Centres pluridisciplinaires et Instituts spécialisés du GHPSJ. - Une fiche sur le parcours simplifié d’un patient adressé en urgence. Elle est amenée à être enrichie progressivement de données pratiques et d’informations utiles qui faciliteront les liens du Groupe Hospitalier Paris Saint Joseph avec le réseau de médecins correspondants de ville. Nous espérons qu’elle répondra à vos attentes. Jean-Patrick Lajonchère et Pascal Priollet « Allo St Jo » est destinée exclusivement aux médecins.

About

echOpen ON

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An essential companion to your echOpen O1 probe, echOpen On allows you to choose the right frequency, adjust your image and add your notes in a simple, user-friendly digital environment. - echOpen O1 is a handheld Ultrasound imaging device intended for Point-of-Care Ultrasound (POCUS) in adult patients to allow ultrasound imaging of organs and tissues of the human body. - echOpen O1 includes a tri-frequency ultrasound probe to be used with a dedicated software application on a connected mobile device. - The device is to be used by trained Healthcare Professionals. - echOpen O1 is intended to complement the standard clinical examination by providing ultrasound imaging findings and to locate vessels prior to catheterisation. - echOpen ON is an accessory software application intended to control and present output information from a dedicated ultrasound probe in order to fulfil its intended purpose.

Screenshots

Allo Saint4 screens
echOpen ON4 screens

Verdict

The call

The clearest difference is update cadence: echOpen ON at every 4 months against Allo Saint's every 13 months. Allo Saint's advantage is iOS requirement (11.0 vs 17.0). 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

Allo Saint ships an update every 13 months, echOpen ON every 4 months. The most recent releases landed on October 11, 2026 and October 16, 2026 respectively.

Scorecard2 real differences · 4 level
Allo Saint versus echOpen ON: the parameters behind the verdict, then further details
ParameterAllo SaintechOpen ON
PriceFreeFree
Update frequencyEvery 13 monthsEvery 4 months — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS11.0 — better17.0
Further details — not scored
Size29 MB67 MB
Age rating17+17+
DeveloperGroupe Hospitalier Paris Saint-Josephechopen factory

In-app purchases

None

Allo Saint

No in-app purchases

None

echOpen ON

No in-app purchases

Questions

Is Allo Saint free?
Allo Saint is free to download, with no in-app purchases.
Is echOpen ON free?
echOpen ON is free to download, with no in-app purchases.
Do Allo Saint or echOpen ON have ads?
Neither Allo Saint nor echOpen ON shows ads.
Which is updated more often, Allo Saint or echOpen ON?
Allo Saint ships an update every 13 months, and echOpen ON every 4 months. Most recently, Allo Saint was updated on October 11, 2026 and echOpen ON on October 16, 2026.

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