Comparison

Boulder Creator vs Retro Flash

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

Head to head
About

Boulder Creator

Easily create and share climbing problems with a global community. Document your training sessions by marking holds, assigning difficulty, and tracking your progress. No more physical markers needed to share your latest challenges.

Highlights
  • Create climbing problems
  • Share problems with community
  • Mark holds on wall photos
  • Assign difficulty levels
  • Track sends and projects
  • Profile for progress tracking
Features
Read full description

Take your climbing experience to a new era. Passionate about bouldering? Boulder Creator is the ultimate tool to connect with your gym, track your progress, and bring route setting creativity right to your fingertips. Forget about colored tape, blurry wall markings, or memorizing sequences. Now you can set, share, and climb interactive problems in seconds. What can you do with Boulder Creator? • CREATE WITHOUT LIMITS: Snap a photo of the wall, mark the holds, define grip types, choose the grade, and save your line. Your boulder is instantly available for the entire community. • LOGBOOK AND PROGRESS: Keep a detailed history of your sends, pending projects, and performance metrics for every session. • RANKINGS AND COMMUNITY: Check your position on the leaderboard alongside climbers and routesetters at your local gym. • DIGITAL BULLETIN BOARD: Stay updated on active events, gym competitions, and challenge yourself with the Boulder of the Week. Whether you train at a commercial climbing gym or on your private homewall, Boulder Creator keeps your motivation at an all-time high. Download for free and join the new era of climbing.

About

Retro Flash

This app helps climbers maximize their spray wall training with unique tools for setting various problems and supports multiple grading systems. It fosters a community for climbers to share and improve their training.

Highlights
  • Spray wall problem setting
  • Supports symmetrical, partly symmetrical, adjustable, and private walls
  • Circuit and competition boulder creation
  • Fontainebleau, Dankyu, and Hueco grading systems
  • Customizable grading systems
  • Wall upgrades for new possibilities
Features
Read full description

Welcome to Retro Flash and the Arcade Bouldering Community! Retro Flash is the Ultimate Spray Wall App, designed with every member of the climbing community in mind! We have created a lot of unique tools to ensure that everyone has everything they need to get the most out of their spray walls! For example, we support symmetrical, partly symmetrical, adjustable and private walls! Set all kinds of problems on your wall, like circuits or even competition boulders! With our wall upgrades, we upgrade your walls to the next level, opening up a lot of new possibilities! Now, you can even upgrade your walls by yourself!! Retro Flash supports the Fontainebleau, Dankyu and Hueco grading systems. You can also define your own grading systems or even deactivate grading! Download Retro Flash now and become a part of our growing community!

Screenshots

Boulder Creator4 screens
Retro Flash4 screens

Verdict

The call

The clearest difference is in-app purchases: Boulder Creator at none against Retro Flash's 8. Retro Flash's advantage is update cadence (every 3 weeks vs every 2 months) and ratings volume (226 vs 31). On price, rating, review sentiment and ads 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. Retro Flash sells 8 one-off in-app purchases. Boulder Creator asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.7 for Boulder Creator against 4.7 for Retro Flash. That said, the two scores are not equally well evidenced: Retro Flash has 226 ratings behind it against 31, so its average is the more settled of the two. Written reviews are what separate them: 89% of Boulder Creator's written reviews are positive against 83% of Retro Flash's.

UpkeepUpdate frequency

Boulder Creator ships an update every 2 months, Retro Flash every 3 weeks. The most recent releases landed on August 27, 2026 and September 27, 2026 respectively.

Scorecard4 real differences · 6 level
Boulder Creator versus Retro Flash: the parameters behind the verdict, then further details
ParameterBoulder CreatorRetro Flash
PriceFreeFree
Rating4.7 (31 ratings)4.7 (226 ratings)
Positive reviews88.9% of reviews — better82.9% of reviews
Number of ratings31226 — better
Update frequencyEvery 2 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS14.0 — better15.6
Further details — not scored
Size28 MB162 MB
Age rating4+4+
DeveloperGustavo GrassiArcade Bouldering UG (haftungsbeschrnkt)

Customer experience

Boulder Creator

All ratings31 ratings
Positive96.8%
Neutral0.0%
Negative3.2%
Written reviews9 reviews
Positive88.9%
Neutral11.1%
Negative0.0%

Retro Flash

All ratings226 ratings
Positive92.9%
Neutral3.5%
Negative3.5%
Written reviews35 reviews
Positive82.9%
Neutral8.6%
Negative8.6%

Bugs and requests

Boulder Creator

Not enough reviews yet to summarise bugs or requests.

Retro Flash

Reported bugs

8 issues
  • Cannot see sends anymore
  • All boulders set to unclimbed for all users
  • Statistics are gone
  • Won't let me reset wall
  • Won't let me delete walls
Show 3 more
  • Won't let me add a new wall on a new account
  • Camera button to add a photo doesn't do anything
  • Can't change the angle of the wall

Requested features

4 requests
  • Add a tick list of all climbs done
  • Show number and distribution of grades
  • Copy route feature for minor adjustments
  • Ability to edit names or grades of existing boulders

In-app purchases

None

Boulder Creator

No in-app purchases

8 purchases

Retro Flash

One-time8
  • Unlock Rules for Circles$4.99
  • Home Wall Year Pass$4.99
  • 1 Month Upgrade Pass$8.99
Show 5 more
  • Additional Wall$9.99
  • Gym Year Pass Tier 1$14.99
  • Add Gym$14.99
  • Gym Year Pass Tier 2$29.99
  • 6 Months Upgrade Pass$44.99

Questions

Is Boulder Creator free?
Boulder Creator is free to download, with no in-app purchases.
Is Retro Flash free?
Retro Flash is free to download, with in-app purchases available.
Which has better reviews, Boulder Creator or Retro Flash?
Boulder Creator and Retro Flash are both rated 4.7 out of 5 on the App Store, from 31 and 226 ratings respectively.
Do Boulder Creator or Retro Flash have ads?
Neither Boulder Creator nor Retro Flash shows ads.
Which is updated more often, Boulder Creator or Retro Flash?
Boulder Creator ships an update every 2 months, and Retro Flash every 3 weeks. Most recently, Boulder Creator was updated on August 27, 2026 and Retro Flash on September 27, 2026.

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