Comparison

Interval vs SemChip

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

Head to head
About

Interval

Features
Read full description

Interval is a fast, focused timer for HIIT, Tabata, EMOM, circuits, boxing rounds and any work/rest training you do. Set your work, rest and rounds — or start from a ready-made preset — and press start. A big, glanceable timer with color-coded phases and audio, voice and haptic cues keeps you on pace without staring at the screen. ON YOUR WRIST • A full Apple Watch app — start and run any of your workouts from your wrist • Live sync — start on iPhone and it opens on your Watch instantly, and the other way around • Pause, skip or end on either device and the other follows along • Haptic cues on every phase change, so you can train without looking BUILT FOR TRAINING • Work, rest and rounds you control, with round rests between sets • Tabata, HIIT and EMOM presets to start from • A clean preview of the whole workout before you begin • Gym circuits, boxing rounds, sprint intervals, stretching, physio sets — anything that runs on a clock STAY LOCKED IN • A large timer with color-coded WORK / REST phases • Two-tier progress: where you are in the round and in the whole workout • Audio beeps and an optional voice cue on every phase change and the last 3 seconds • Haptic feedback so you can train heads-down • Keeps running with the screen locked and in the background LOCK SCREEN & DYNAMIC ISLAND • A Live Activity shows the current phase and countdown on the Lock Screen and in the Dynamic Island YOURS, AND PRIVATE • No account, no sign-up • No tracking, no ads, no data collection — everything stays on your device SIMPLE PRICING Use Interval free for up to 15 workouts with every feature unlocked. A single one-time purchase — Interval Pro — removes the limit forever and unlocks accent themes. No subscription, ever. Questions or feedback? Email interval@klimakov.me

About

SemChip

Features
Read full description

Cronometragem de corrida pelo GPS do celular. Sem chip de peito, sem tapete de largada, sem equipamento nenhum além do aparelho que você já leva no bolso. PARA QUEM CORRE • Cronometragem oficial da prova, com passagem registrada em cada checkpoint do percurso • Classificação ao vivo: sua posição atualiza enquanto a corrida acontece • Funciona com a tela bloqueada e o celular no bolso • Pausa e retomada — o tempo parado não conta no resultado • Distância, ritmo e tempo mudando na tela desde o primeiro metro • Corrida livre, para treinar em qualquer dia, sem prova nenhuma • Desafios virtuais: acumule quilômetros no seu ritmo, no lugar que você escolher • Painel com a evolução da semana e a média de ritmo • Figurinha da sua corrida com fundo transparente, para usar nas fotos • Prefere correr de relógio? Importe o treino da Saúde do iPhone e envie para a prova PARA QUEM ORGANIZA • Crie a prova, importe o percurso em GPX e os checkpoints saem sozinhos • Inscrições, número de peito e categorias calculadas por idade • Resultado com tempo, ritmo e parciais de cada atleta • Classificação ao vivo para o público acompanhar de casa • Grátis para provas de até 50 atletas SUA LOCALIZAÇÃO, E SÓ ENQUANTO VOCÊ CORRE O GPS liga quando você toca em iniciar corrida e desliga quando ela termina. Fora de uma corrida o app não acessa sua posição, em momento nenhum. O traçado bruto fica guardado por 90 dias; o resultado fica no seu histórico enquanto a conta existir. Você pode revogar o consentimento e excluir seus dados quando quiser, pelo Perfil. Não há publicidade, não há rastreamento e não há SDK de rede social dentro do app. Política de privacidade: https://semchip.com.br/privacidade.html Suporte: https://semchip.com.br/suporte.html

Screenshots

Interval4 screens
SemChip4 screens

Verdict

The call

The clearest difference is in-app purchases: SemChip at none against Interval's 1. SemChip also leads on update cadence (every 3 days vs every 10 days). 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. Interval sells 1 one-off in-app purchase. SemChip asks for nothing beyond the download.

UpkeepUpdate frequency

Interval ships an update every 10 days, SemChip every 3 days. The most recent releases landed on October 16, 2026 and October 6, 2026 respectively.

Scorecard2 real differences · 4 level
Interval versus SemChip: the parameters behind the verdict, then further details
ParameterIntervalSemChip
PriceFreeFree
Update frequencyEvery 10 daysEvery 3 days — better
AdsNoNo
In-app purchasesYesNo — better
DevicesiPhone, Apple Watch — betteriPhone
Requires iOS17.016.4 — better
Further details — not scored
Size38 MB42 MB
Age rating4+4+
DeveloperOLEG KLIMAKOVJulio Cesar Lima de Jesus Lemos

In-app purchases

1 purchases

Interval

One-time1
  • Interval Pro$6.99
None

SemChip

No in-app purchases

Questions

Is Interval free?
Interval is free to download, with in-app purchases available.
Is SemChip free?
SemChip is free to download, with no in-app purchases.
Do Interval or SemChip have ads?
Neither Interval nor SemChip shows ads.
Which is updated more often, Interval or SemChip?
Interval ships an update every 10 days, and SemChip every 3 days. Most recently, Interval was updated on October 16, 2026 and SemChip on October 6, 2026.

Other comparisons