Comparison

Biostress vs Proper Reps

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

Head to head

Break Plateus.

About

Biostress

Features

Read full description

This app is for those taking part in a Biostress survey. The app allows you to record your daily survey diaries, any activities and any stressful events you might encounter during the day.

About

Proper Reps

Features

Read full description

Proper Reps boasts a range of features to ensure you're always moving forward with your training. From our rep-counter technology, AI-generated powerlifting strength progressions, and customized weight-change milestones. You have clear objectives to achieve your fitness goals. All previously mentioned features and to gain access to the app to benefit from our workout plan library, workout tracking, check ins, meal plan library, recipe library, macro tracking, video library and access to our community are available upon a successful purchase of membership to Proper Reps. Terms of Service (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula Privacy Policy: www.gigafit.io/properrepsprivacy

Screenshots

Biostress3 screens

Proper Reps4 screens

Verdict

The call

The clearest difference is in-app purchases: Biostress at none against Proper Reps's 3. Proper Reps's advantage is update cadence (every 10 days vs monthly). On price, ads, device support and iOS requirement 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. Proper Reps sells 3 in-app purchases, starting at $9.99 per month. Biostress asks for nothing beyond the download.

UpkeepUpdate frequency

Biostress ships an update monthly, Proper Reps every 10 days. The most recent releases landed on October 19, 2026 and October 14, 2026 respectively.

Scorecard2 real differences · 4 level

Biostress versus Proper Reps: the parameters behind the verdict, then further details
Parameter	Biostress	Proper Reps
Price	Free	Free
Update frequency	Monthly	Every 10 days — better
Ads	No	No
In-app purchases	No — better	Yes
Devices	iPhone, iPod	iPhone, iPad, iPod — better
Requires iOS	13.4 — better	14.0
Further details — not scored
Size	41 MB	113 MB
Age rating	12+	17+
Developer	Biostress Lab Ltd	GigaFit LTD

In-app purchases

None

Biostress

No in-app purchases

3 purchases

Proper Reps

Subscriptions3

1 Month Experience$9.991 Month
3 Month Experience$19.993 Months
1 Year Experience$69.991 Year

Questions

Is Biostress free?

Biostress is free to download, with no in-app purchases.

Is Proper Reps free?

Proper Reps is free to download, with in-app purchases available.

Do Biostress or Proper Reps have ads?

Neither Biostress nor Proper Reps shows ads.

Which is updated more often, Biostress or Proper Reps?

Biostress ships an update monthly, and Proper Reps every 10 days. Most recently, Biostress was updated on October 19, 2026 and Proper Reps on October 14, 2026.