Sumo vs Serenity MBS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sumo
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Sumo is a staff management application for nursing agency.
Serenity MBS
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Download the Serenity MBS app to easily book classes and manage your fitness experience - anytime, anywhere. Make a reservation, get added to a wait list, check your profile and membership status, and more – all from your device. Visit https://www.serenity-retreats.co.uk to learn more.
Screenshots
Verdict
The clearest difference is update cadence: Sumo at weekly against Serenity MBS's every 7 months. Sumo also leads on iOS requirement (11.0 vs 15.6). 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.
Sumo ships an update weekly, Serenity MBS every 7 months. The most recent releases landed on October 13, 2026 and October 5, 2026 respectively.
| Parameter | Sumo | Serenity MBS |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly — better | Every 7 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 11.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 12 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | Vcode Infotech India Pvt Ltd | Serenity retreats by Sarah ltd |
In-app purchases
Sumo
No in-app purchases
Serenity MBS
No in-app purchases
