BladderSafe vs SIMPL
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BladderSafe
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Note: BladderSafe is intended for use by medical professionals. Non-medical users of our app are reminded to seek a doctor’s advice before making any medical decisions that may be informed by the guidelines in this app. BladderSafe includes a decision tree based on published research regarding the appropriate use of urinary catheters for a variety of medical and surgical situations. This research was completed by the Patient Safety Enhancement Program team at the University of Michigan. The app includes guidelines for evidence-based practices from the Ann Arbor Criteria (DOI:10.7326/M14-1304) and the Michigan Appropriate Perioperative Criteria (DOI:10.1136/bmjqs-2018-008025).
SIMPL
This app facilitates workplace-based assessments for medical professionals, enabling the evaluation of entrustable professional activities within medical education settings.
- Workplace-based assessments
- Entrustable professional activities
- Medical education implementation
- Professional development tracking
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SIMPL: Society for Improving Medical Professional Learning makes it feasible to implement workplace-based assessments, including assessment of entrustable professional activities, across medical education.
Screenshots
Verdict
The clearest difference is update cadence: SIMPL at every 2 weeks against BladderSafe's every 2 months. BladderSafe's advantage is iOS requirement (13.0 vs 15.0). 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.
BladderSafe ships an update every 2 months, SIMPL every 2 weeks. The most recent releases landed on September 16, 2026 and September 3, 2026 respectively.
| Parameter | BladderSafe | SIMPL |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.1 (16 ratings) — better |
| Positive reviews | — | 40.0% of reviews |
| Number of ratings | — | 16 — better |
| Update frequency | Every 2 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 18 MB | 37 MB |
| Age rating | 17+ | 4+ |
| Developer | The University of Michigan | Procedural Learning and Safety Collaborative, Inc |
In-app purchases
BladderSafe
No in-app purchases
SIMPL
No in-app purchases
