ZzzBank vs RideFlow
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
ZzzBank
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Track your sleep, borrow when needed, and repay with rest βΆ Borrow Sleep Too busy to rest? Borrow sleep to stay focused. βΆ Repay Sleep Pay back every hour youβve borrowed. Tap the notification to check your updated sleep data. βΆ Sleep History View all your borrow and repay records. βΆ Meet Pebby Your buddy changes with your sleep status. Inspired by the βSleep Bankβ episode from the webtoon "Lee Mal-nyeon series". Special thanks for the inspiration.
RideFlow
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One app for indoor training and the thinking behind it. The workout library is free forever. The AI coach is a subscription β and if you already pay on rideflow.cc, it is included. β FREE, NO ACCOUNT NEEDED β 666 structured workouts, bundled in the app. Open it and ride. β’ Recovery, Z2 base, sweet spot, threshold, VO2max, intervals β 30 to 120 minutes β’ ERG mode auto-control for FTMS smart trainers (Wahoo Kickr, Tacx, Elite, Saris, JetBlack) β’ Live power, heart rate and cadence with a smoothed 3-second average β’ Workout profile chart that highlights the segment you are in β’ Pause, resume, skip segments, adjust difficulty on the fly β’ Auto-stop with a summary: TSS, average and normalised power, time in zone β’ Strava upload with distance, speed, power, heart rate and cadence β’ Light and dark themes, landscape mode on iPad β RIDEFLOW COACH (SUBSCRIPTION) β Connect Strava once and the coach works from your actual riding, not a template. β’ Ride analysis: every upload gets an automatic review β zones, efficiency factor, normalised power, what went well, what to fix, what to do next β’ Adaptive weekly plan: tell it which days you can ride and roughly how long. Group ride on Wednesday, race on Sunday, the rest fills itself in β’ Coach chat: ask why a session is scheduled, whether to move it, how to fuel it. Your full ride history is in context β’ RideFlow Score: one number from 0 to 100 for your fitness, benchmarked against pros, with fitness, fatigue and form curves β’ Train Now: one tap picks the right session for today based on your load and freshness β’ Export to Zwift, MyWhoosh or Garmin Connect β ONE SUBSCRIPTION, BOTH PLACES β Subscribe in the app through the App Store, or on rideflow.cc. Either way it unlocks the coach in the app and on the web. Sign in with Strava β no separate password. β SUBSCRIPTION DETAILS β RideFlow Coach is an auto-renewable subscription, offered monthly or yearly. Payment is charged to your Apple ID at confirmation of purchase. It renews automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel in your App Store account settings at any time. Terms of Use: https://rideflow.cc/terms Privacy Policy: https://rideflow.cc/privacy β DEVICE SUPPORT β Bluetooth Low Energy sensors only. ANT+ is not supported. β’ Smart trainers: any FTMS-compatible trainer β’ Power meters, heart rate straps, cadence sensors Need help? rideflow.cc/workouts-support
Screenshots
Verdict
The clearest difference is update cadence: ZzzBank at weekly against RideFlow's monthly. RideFlow's advantage is iOS requirement (16.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
ZzzBank ships an update weekly, RideFlow monthly. The most recent releases landed on September 17, 2026 and September 21, 2026 respectively.
| Parameter | ZzzBank | RideFlow |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly β better | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone |
| Requires iOS | 18.0 | 16.0 β better |
| Further details β not scored | ||
| Size | 32 MB | 18 MB |
| Age rating | 4+ | 4+ |
| Developer | Inho Lee | Rideflow.cc |
In-app purchases
ZzzBank
No in-app purchases
RideFlow
No in-app purchases









