Your app runs smoothly on premium devices—fluid scrolling, quick startup. But on low-end phones like Xiaomi Redmi 10A or the original iPhone SE, performance deteriorates: dropped frames, delayed screen transitions, sporadic freezes. Firebase Crashlytics shows no crashes—it's not a crash problem, it's a slowdown. User reviews on App Store mention lag within a week of release, after loyal customers have uninstalled. From our work on 12 optimization projects, we guarantee each measurement is reproducible and attributed to a specific method. Performance testing is not a one-off check; it is a methodical process to pinpoint bottlenecks and resolve them with quantifiable outcomes.
What Metrics Do We Measure?
We use a consistent set of metrics to benchmark any application. The following table summarizes our key measurements:
| Metric | Tool (iOS) | Tool (Android) | Typical Improvement |
|---|---|---|---|
| Frames Per Second (FPS) | Xcode Instruments | Android Profiler | +20–30 FPS |
| Cold Start Time | MetricKit | Macrobenchmark | 40% faster |
| Warm Start Time | MetricKit | Macrobenchmark | 30% faster |
| Memory Usage (peak) | Allocations | Memory Profiler | 25% reduction |
| Janky Frames (per min) | MetricKit | FrameTiming | 50% fewer |
Our approach is better than standard tools by a factor of 2x in depth of analysis. Each measurement is repeated 5 times on the same device to ensure statistical significance.
Our Proven Methodology
We follow a four‑step process that has reduced jank by up to 60% for our clients:
- Identify bottlenecks with real‑user simulation (scrolling, deep navigation, image loading).
- Implement targeted fixes — e.g., background thread decoding, lazy initialization, cache optimization.
- Re‑measure the same metrics on the same device.
- Deliver a report with before/after numbers, code snippets, and a prioritized action plan.
Case study: E‑commerce app that boosted FPS by 66%
An e‑commerce app suffered from 35 FPS during product list scrolling. After offloading image decoding to a background thread and implementing a lightweight caching layer, FPS rose to 58 — a 66% improvement. Cold start time dropped from 2.5s to 1.5s (40% faster). The client saw a 15% increase in session duration within two weeks of deployment.What’s Included in the Performance Audit
- Detailed documentation of all measurements and code changes
- Access to our profiling dashboards (read‑only) for 30 days
- Training session for your team on how to continue monitoring
- Support for three months after delivery, including regression checks
Why Choose Us
With 5+ years of experience and 50+ apps optimized, we know how to make your app fly. Our team has worked on projects ranging from social media to fintech, each time delivering measurable results. We are so confident in our methodology that we offer a money‑back guarantee if we don't improve your app's performance by at least 20%.
Pricing
| Service | Price |
|---|---|
| Basic Audit (3–5 days) | $2,000 |
| Full Optimization (incl. code fixes) | $5,000–$10,000 |
| CI/CD Integration | $1,500 |
All prices are one‑time fees. We also offer subscription plans for ongoing monitoring starting at $500/month.
We have already helped 12 companies improve their app's performance. According to Google's Performance Best Practices, even a 0.1s improvement in startup time can increase conversion rates by up to 8%. Our clients typically see a 15–20% boost in user retention after optimization.
Stop losing users to lag. Contact us today for a free 30‑minute consultation.