Too little checked to say Store information only. We haven’t analysed this app or read its reviews yet.
Not yet tested.
The store currently lists version 1.3.0, updated 2026-10-21.
Store screenshots supplied by the developer.
Surge is a beautifully designed interval timer for HIIT, Tabata, boxing rounds, EMOM and any circuit-style workout — at home, in the gym or ringside.
Pay once and it's yours forever. No subscriptions, no in-app purchases, no ads — every feature included.
Set your work and rest, pick your rounds and press play — Surge calls every phase with beeps and haptics, so you train bell to bell without watching the clock.
ROUNDS READY TO GO
• Tabata — 20s work / 10s rest × 8 rounds
• HIIT — 40s work / 20s rest × 10 rounds
• Boxing — 3:00 rounds with 1:00 rest × 6
• EMOM — 60-second intervals × 10
• Stretch — 30s holds / 10s rest × 12
• Edit any built-in preset to match your training…
From the developer’s store description.
For developers and the curious
The evidence, sources, measurements and versions behind every label above.
No review analysis published for this app.
“Not assessed” means we could not measure it. It is never a zero and never a pass.
No package has been scanned for this app, so nothing is published about what it ships. That is an absence of evidence, not a finding.
Supporting measurements: not a complete list of possible harms or positives. Measurement vocabulary 1.4 · how these are measured
Not yet tested. No analysis has been run for this app, so there is no version or date to report.
Each store’s release notes, as the developer wrote them. They are the developer’s words, not ours.
Surge 1.3 — ready for iPhone Duo. • Optimised for iPhone Duo — unfold for a big, full-screen timer ring on the inner display • iPad multitasking — run Surge alongside your music or workout video in Split View and Stage Manager • Under-the-hood polish Still pay once, yours forever — no subscriptions, no ads. If Surge keeps your rounds honest, a rating goes a long way for a small app. Thank you for training with Surge!
Appworthy
surge-apple-6762224044What the stores publish. Store ratings are the stores’ numbers, not Appworthy’s, and are never averaged across stores.
No itemized purchase list is available for this listing.
Not yet tested. No analysis has been published for this app, so there is no method to describe for it yet. A missing label is not a clean bill of health: it means nothing has been read, not that nothing is wrong.
Write to [email protected], or use the form. Name the finding, the app version and the evidence that needs correcting. Factual corrections are free and never depend on buying anything.