PRLog vs StringTension
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PRLog
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PRLog is an app built for people who train with clear goals and care about precision in every detail. You can log your exercises, weights, and times, and track your performance over time with complete control. Main features: - Detailed exercise logging with customizable units, including decimal weights for greater accuracy. - Flexible unit configuration: work with kilograms or pounds depending on your preference. - Time tracking with multiple formats — hours / minutes / seconds or minutes / seconds / milliseconds — ideal for precision-based workouts. - Automatic percentage calculations based on your maximum weight, with quick selection of the desired percentage. - Weight test mode, allowing you to simulate different loads without saving them — perfect for group workouts or comparing results with friends. - Integrated timer with fully customizable work and rest cycles. Create, save, and reuse your own time-based training types, with a landscape view for better visibility during workouts. - Create new exercises or choose from preloaded templates to get started faster. - Historical comparison with visual indicators that clearly show your progress. - Fully offline operation — all your data is stored locally on your device, with no accounts or internet connection required. With a clean, fast, and distraction-free interface, PRLog is the perfect tool to record, plan, and analyze your training with precision. Your training, your data, your control. Developed by Worklab SRL.
StringTension
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StringTension is a professional racket string tension measurement tool. It analyzes the sound frequency produced by tapping the string bed to estimate string tension. Supports both badminton and tennis, helping you track tension changes and find the optimal time to restring. CORE FEATURES - Tension Measurement — Tap the strings, get tension data in seconds - Tension Tracking — Record every measurement, observe tension decay over time - String Status — Visual indicators show string condition (Good / Monitor / Restring) - Restring Reminder — Smart reminders based on your detection history STRINGER TOOLBOX (Member Exclusive) - Stringing Verification — Compare "machine setting vs actual tension" right after stringing - Report Cards — Generate stringing reports to share with your clients - Client Management — Keep local records of client stringing history RACKET DATABASE - 100+ popular racket models (YONEX, Li-Ning, Victor, Wilson, HEAD, Babolat, etc.) - 50+ popular string models - Continuously updated SMART RECOMMENDATIONS - Personalized tension recommendations based on sport, play style, and racket specs - Tension guide for beginners to find their ideal string tension MULTILINGUAL Chinese, English, Japanese, Korean, German, French NOTE Measurement results are algorithmic estimates for reference only and cannot replace professional stringing machine readings. Use in a quiet environment for best results. Terms of Use: https://hk.hkhdtp.com/legal/stringtension-terms.html Privacy Policy: https://hk.hkhdtp.com/legal/stringtension-privacy.html
Screenshots
Verdict
The clearest difference is in-app purchases: PRLog at none against StringTension's 3. PRLog also leads on iOS requirement (15.1 vs 26.2). On price, ads 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. StringTension sells 3 in-app purchases, starting at $0.99 per month. PRLog asks for nothing beyond the download.
| Parameter | PRLog | StringTension |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 weeks | — |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 26.2 |
| Further details — not scored | ||
| Size | 44 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | WorkLab Argentina SRL | Shenzhen Huopu Software Co., Ltd. |
In-app purchases
PRLog
No in-app purchases
StringTension
- StringTension Pro (Monthly)$0.991 Month
- StringTension Pro (Yearly)$5.991 Year
- StringTension Pro (Lifetime)$11.99









