PerfectApps Swift vs Smile App
Head-to-head usage across the sites we track.
Top sites by authority
PerfectApps Swift · Smile App · how many of each technology's sites sit in the web's highest authority tiers
Open Page Rank 9+
1
2
Open Page Rank 8+
1
5
Open Page Rank 7+
2
19
Open Page Rank 6+
2
41
Open Page Rank 5+
2
105
Open Page Rank scores 0 to 10 from the open web link graph; 9+ covers only a few hundred domains worldwide.
By country
PerfectApps Swift · Smile App · share of sites in each country using one or the other
United States
178
13,022
United Kingdom
79
4,121
Canada
66
3,860
India
49
2,789
Australia
43
2,726
France
33
2,056
Germany
44
1,706
Mexico
30
1,205
Audience countries from the Chrome UX Report, top markets of either technology.
Real user performance
| Metric | PerfectApps Swift | Smile App |
|---|---|---|
| LCP | 1.7 s | 1.4 s |
| INP | 100 ms | 75 ms |
| CLS | 0 | 0 |
| TTFB | 500 ms | 500 ms |
Median site's p75 values from the Chrome UX Report, Jun 2026. Lower is better; green meets Google's "good" threshold. This describes the sites that use each technology, not the technology's own overhead.