Comparison

TrialMax App vs SLS

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

Head to head
About

TrialMax App

Collect data from patients and caregivers in clinical trials for new medicines. Access study-specific questionnaires on the go, with reminders to help you follow the study protocol. Your privacy and anonymity are ensured.

Highlights
  • Patient and caregiver data collection
  • Study-specific questionnaires
  • On-the-go data entry
  • Study protocol reminders
  • Privacy and anonymity assured
  • Easy-to-use interface
Features
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TrialMax from Signant Health is used for collecting data from patients and their caregivers in clinical trials of new medicines. TrialMax gives patients access to study specific questionnaires making it easy for the patients to fill them in wherever they go. Patients who participate in a particular clinical study get access to TrialMax for the duration of the study. The app is activated with an activation code supplied by the care personnel conducting the clinical study. TrialMax, with its easy to use interface, will help make your participation in a clinical trial as easy as possible. The reminders will help you follow the study protocol and be compliant. TrialMax ensures your privacy and anonymity in a clinical trial. The app complies with international regulations and laws for patient privacy.

About

SLS

Features
Read full description

Sign Language Services, LLC provides Sign Language Interpreters for the South Texas Rio Grande Valley area.

Screenshots

TrialMax App4 screens
SLS3 screens

Verdict

The call

TrialMax App and SLS are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

TrialMax App ships an update every 3 weeks, SLS every 2 weeks. The most recent releases landed on October 23, 2026 and October 28, 2026 respectively.

ScorecardNo meaningful differences
TrialMax App versus SLS: the parameters behind the verdict, then further details
ParameterTrialMax AppSLS
PriceFreeFree
Rating2.5 (100 ratings) — better—
Positive reviews5.0% of reviews—
Number of ratings100 — better—
Update frequencyEvery 3 weeksEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size41 MB372 MB
Age rating4+4+
DeveloperSignant Health OyAmy Hermansen

In-app purchases

None

TrialMax App

No in-app purchases

None

SLS

No in-app purchases

Questions

Is TrialMax App free?
TrialMax App is free to download, with no in-app purchases.
Is SLS free?
SLS is free to download, with no in-app purchases.
Do TrialMax App or SLS have ads?
Neither TrialMax App nor SLS shows ads.
Which is updated more often, TrialMax App or SLS?
TrialMax App ships an update every 3 weeks, and SLS every 2 weeks. Most recently, TrialMax App was updated on October 23, 2026 and SLS on October 28, 2026.

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