Comparison

Rep Counter vs SPIDER20

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

Head to head
About

Rep Counter

This app uses voice prompts to count your repetitions during workouts, allowing you to stay focused on your form. It offers multiple voices, Apple Watch integration, and automatic workout history. A free version is available with optional Pro features via subscription.

Highlights
  • Voice-guided rep counting
  • Hands-free and eyes-free operation
  • Apple Watch integration with haptics
  • Multi-set and pyramid training
  • Plays over music
  • Automatic workout history
Features
Read full description

Voice counts so you can focus. When there's no one to shout "one more," One More does it for you — out loud, in a real human voice. Pick a voice, hit start, and just move. No glancing at your phone, no losing count, no breaking your rhythm mid-set. WHY ONE MORE • Real voices count every rep out loud — stay locked in on the lift, not the number • Hands-free and eyes-free — your focus stays on form • Final Push: when you hit your target, One More nudges you for bonus reps FEATURES • Multiple real voices (English & Korean) • Apple Watch: wrist haptics for every rep + control • Multi-set and pyramid training • Plays over your music — keep your playlist, hear the count • Prep countdown and adjustable pace • Automatic workout history with a summary for every workout START FREE Two real voices (Chris & Brittney) and full Apple Watch support are free — no subscription. Go Pro anytime to unlock every voice, multi-set & pyramid training, and your complete workout history. Set it. Start. One More counts. You focus. ——— One More Pro is an auto-renewable subscription. Cancel anytime in Settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://codesurfbyte.github.io/repvoice-docs/privacy.html

About

SPIDER20

Features
Read full description

SPIDER20 — 철봉 하나로 끝내는 20분 맨몸 운동 20분 동안 아래 한 라운드를 최대한 많이 반복하세요. • 풀업 5회 • 푸쉬업 10회 • 스쿼트 15회 ■ 카메라 자동 카운트 휴대폰을 삼각대나 거치대에 세워 두기만 하면 카메라가 몸의 움직임을 인식해 횟수를 자동으로 셉니다. 운동 중에 화면을 누를 필요가 없습니다. • 삼각대 모드: 휴대폰을 한 자리에 세워 두고 정면·옆·뒤 어느 방향에서든 인식 • 바닥 모드: 휴대폰을 바닥에 놓고 카메라를 위로 향하게 해서 인식 • 영상은 기기 안에서만 처리되며 저장하거나 전송하지 않습니다. ■ 커스텀 WOD (PRO) 16개 동작으로 나만의 운동을 만들고 카메라로 자동 카운트하세요. 풀업, 푸쉬업, 무릎 푸쉬업, 와이드 푸쉬업, 다이아몬드 푸쉬업, 파이크 푸쉬업, 타이슨 푸쉬업, 스쿼트, 리버스 런지, 글루트 브릿지, 카프레이즈, 마운틴클라이머, 플랭크 숄더탭, 데드버그, 버피, 점핑잭, 하이니 좌우 동작은 양쪽을 모두 마쳐야 1회로 셉니다. ■ 기록과 통계 • 오늘의 운동량, 칼로리, 총 횟수, 운동 시간 • 라운드 기록과 개인 최고 기록(PB) • 10·15·20·30분별 성과 그래프 • 레벨로 성장 확인 ■ SPIDER20 PRO — 한 번 구매, 구독 없음 • 커스텀 WOD 만들기 • 전체 운동 기록 • 성과 통계 • 장기 PB 추적 • PRO 앱 아이콘 ※ 카메라 자동 카운트는 보이는 몸의 움직임을 감지하는 보조 기능으로, 촬영 환경에 따라 결과가 달라질 수 있습니다. 칼로리는 횟수와 체중으로 계산한 추정치입니다.

Screenshots

Rep Counter4 screens
SPIDER204 screens

Verdict

The call

The clearest difference is in-app purchases: SPIDER20 at none against Rep Counter's 2. SPIDER20 also leads on update cadence (every 3 days vs weekly). 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. Rep Counter sells 2 in-app purchases, starting at $3.49 per month. SPIDER20 asks for nothing beyond the download.

UpkeepUpdate frequency

Rep Counter ships an update weekly, SPIDER20 every 3 days. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 8 level
Rep Counter versus SPIDER20: the parameters behind the verdict, then further details
ParameterRep CounterSPIDER20
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyWeeklyEvery 3 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhone, Apple Watch — betteriPhone
Requires iOS16.2 — better17.0
Further details — not scored
Size33 MB11 MB
Age rating4+4+
DeveloperKyungwook Minbeomjun Son

In-app purchases

2 purchases

Rep Counter

Subscriptions2
  • One More Pro — Monthly$3.491 Month
  • One More Pro — Annual$19.991 Year
None

SPIDER20

No in-app purchases

Questions

Is Rep Counter free?
Rep Counter is free to download, with in-app purchases available.
Is SPIDER20 free?
SPIDER20 is free to download, with no in-app purchases.
Do Rep Counter or SPIDER20 have ads?
Neither Rep Counter nor SPIDER20 shows ads.
Which is updated more often, Rep Counter or SPIDER20?
Rep Counter ships an update weekly, and SPIDER20 every 3 days. Most recently, Rep Counter was updated on October 28, 2026 and SPIDER20 on October 31, 2026.

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