Allo Saint vs CoLo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Allo Saint
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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.
CoLo
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Over the past several years, it has been clearly demonstrated that patient management in colonoscopy can be optimized — both economically and environmentally — by refraining from systematically submitting all resected colonic polyps for histopathological examination, provided that these polyps meet specific visual and dimensional criteria. Despite this proven benefit and the publication of international recommendations by the American Society for Gastrointestinal Endoscopy (ASGE, 2014) and the European Society of Gastrointestinal Endoscopy (ESGE, 2022), the practical implementation of selective histopathological analysis (Resect-and-Discard and Diagnose-and-Leave strategies) remains limited. This gap between recommendations and clinical practice is primarily due to the challenges associated with the training, certification, and objective evaluation of endoscopists’ ability to characterize polyps accurately. Furthermore, even with the integration of artificial intelligence (AI), current systems still fall short of the reliability thresholds required by professional societies. Colo-ID has been developed to address these unmet needs. The application provides a comprehensive training and assessment platform designed for endoscopists. It includes a learning module and an interactive training environment that allow users to review a large number of annotated endoscopic images and to evaluate their diagnostic accuracy, characterization skills, and therapeutic decision-making performance. Additionally, Colo-ID quantifies and displays the potential economic savings and carbon footprint reduction associated with the application of the Resect-and-Discard and Diagnose-and-Leave approaches. Finally, the platform also supports the creation and continuous enrichment of a structured database linking endoscopic image features with corresponding histopathological findings. This resource will contribute to the development and training of AI-based decision-support algorithms, with the long-term goal of improving the accuracy, safety, and sustainability of colorectal cancer prevention strategies.
Screenshots
Verdict
The clearest difference is update cadence: CoLo at every 3 weeks against Allo Saint's every 13 months. Allo Saint's advantage is iOS requirement (11.0 vs 14.0). 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Allo Saint ships an update every 13 months, CoLo every 3 weeks. The most recent releases landed on October 11, 2026 and October 14, 2026 respectively.
| Parameter | Allo Saint | CoLo |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 13 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 29 MB | 24 MB |
| Age rating | 17+ | 4+ |
| Developer | Groupe Hospitalier Paris Saint-Joseph | Anamorphik Studio |
In-app purchases
Allo Saint
No in-app purchases
CoLo
No in-app purchases









