Comparison

B3 Gym vs Renno Run

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

Head to head
About

B3 Gym

This app allows B3 Gym members to manage their gym experience. Reserve spots in classes, sign up for gym events, and update personal account details like payment information and profile pictures.

Highlights
  • Class reservation
  • Gym event sign-ups
  • Account management
  • Update profile picture
  • Manage payment information
Features
Read full description

For members of B3 Gym to reserve their place in a class, sign up for gym events, and general account management like updating headshots and credit card on file.

About

Renno Run

This app motivates you to run by putting your money on the line. Commit to a weekly mileage goal and track your runs with GPS. Achieve your goal to get your entry fee back, or miss it and fund those who succeed.

Highlights
  • GPS tracking with pace, distance, and route
  • Weekly distance goal setting
  • Entry fee at stake for motivation
  • Server-side run verification
  • Lock Screen and Dynamic Island updates
  • Run streaks and history
Features
Read full description

Run For Real Stakes Put something on the line and go run. Join a race, commit to a weekly mileage goal, and log your runs. Clear your goal and your entry comes back in full. Miss it, and your entry is split among the runners who made it. Nobody to beat but the goal you agreed to. HOW IT WORKS • Pick a race and a weekly distance goal • Track runs with GPS • Clear your goal every week to keep your full entry • Runners who miss fund the runners who finish BUILT FOR PEOPLE WHO ACTUALLY RUN • Live GPS tracking with pace, distance, and route • Lock Screen and Dynamic Island updates while you run • Every run verified server-side, so the standings mean something • Streaks, history, and a receipt for every race you've entered Free races are available to everyone. No ranking to climb, no opponents to outrun, just the goal you set. SUBSCRIPTIONS (OPTIONAL) Renno+ — $6.99/month A higher entry cap, no processing fees, and every race mode. Renno Teams — $39.99/month A coach dashboard for a full roster: goals, trends, and who needs a nudge. Renno is free to use. Subscriptions are optional and never affect race results or payouts. Payment is charged to your Apple ID account at confirmation of purchase. Subscriptions renew automatically unless auto-renew is turned off at least 24 hours before the end of the current period. Your account is charged for renewal within 24 hours prior to the end of the current period. Manage your subscription or turn off auto-renew in your App Store account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://rennoapp.com/privacy

Screenshots

B3 Gym4 screens
Renno Run4 screens

Verdict

The call

The clearest difference is in-app purchases: B3 Gym at none against Renno Run's 2. Renno Run's advantage is ads (none vs shown) and update cadence (every 2 days vs monthly). On price, rating, 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. Renno Run sells 2 in-app purchases, starting at $6.99 per month. B3 Gym asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for B3 Gym against 5.0 for Renno Run. That said, the two scores are not equally well evidenced: Renno Run has 13 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

B3 Gym ships an update monthly, Renno Run every 2 days. The most recent releases landed on September 15, 2026 and October 3, 2026 respectively.

Scorecard5 real differences · 5 level
B3 Gym versus Renno Run: the parameters behind the verdict, then further details
ParameterB3 GymRenno Run
PriceFreeFree
Rating5.0 (1 ratings)5.0 (13 ratings)
Positive reviews—100.0% of reviews
Number of ratings113 — better
Update frequencyMonthlyEvery 2 days — better
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPod, Apple Watch
Requires iOS15 — better15.1
Further details — not scored
Size94 MB57 MB
Age rating4+12+
DeveloperBody By Boris, LLCRenno LLC

Customer experience

B3 Gym

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Renno Run

All ratings13 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews6 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

B3 Gym

No in-app purchases

2 purchases

Renno Run

Subscriptions2
  • Renno+7 Days trial$6.991 Month
  • Renno Coach / Team$39.991 Month

Questions

Is B3 Gym free?
B3 Gym is free to download, with no in-app purchases.
Is Renno Run free?
Renno Run is free to download, with in-app purchases available.
Which has better reviews, B3 Gym or Renno Run?
B3 Gym and Renno Run are both rated 5.0 out of 5 on the App Store, from 1 and 13 ratings respectively.
Do B3 Gym or Renno Run have ads?
B3 Gym shows ads; Renno Run does not.
Which is updated more often, B3 Gym or Renno Run?
B3 Gym ships an update monthly, and Renno Run every 2 days. Most recently, B3 Gym was updated on September 15, 2026 and Renno Run on October 3, 2026.

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