Comparison

Base Strength AI vs RPE 8 (slowdown tracker)

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

Head to head
About

Base Strength AI

This AI-powered fitness app delivers personalized strength training programs based on an expert's coaching methods. It adapts in real-time to your progress, offering an effective and affordable way to achieve your strength and size goals.

Highlights
  • AI-powered personalized training plans
  • Real-time program adjustments
  • Expert coaching style integration
  • Strength and size goal achievement
  • Affordable fitness experience
Features
Read full description

Take your training to another level with Alexander Bromley's distinctive coaching style powered by AI. Coach Bromley trained the AI to use his programming methods to create affordable, personalized, and highly effective training to help you reach your strength and size goals! Our A.I. Expert System Coaching Application will help users receive an individualized training experience that in real-time adjusts to the program. This platform's overall goal is to provide a totalized fitness experience at a fraction of the cost of 1-1 coaching. EvolveAI provides affordable expert coaching by uniting Alexander Bromley's coaching with AI to empower everyone to achieve their training goals. After taking the onboarding questionnaire you are required to set up a paid subscription before accessing the App, this unlocks the AI Strength Training features so you can get to work! The strength training uses Bromley's unique coaching style and programs to create a custom plan for your needs so you keep making progress toward your goals. Terms of use: https://www.basestrength.com/terms-of-use Health Disclaimer: https://www.basestrength.com/faqs Privacy Policy: https://www.basestrength.com/privacy-policy

About

RPE 8 (slowdown tracker)

Features
Read full description

Slowdowns in free tier. Works best in 4-20 repetition range and under a minute of time under tension. Limitations: Does not track well true grinder reps. Slower than 20 mm/s. Reps with a pause mid rep are not tracked. Free tier displays slowdowns. The number turns red when the slowdown is likely above RPE 8 for that repetition range. Paid tier displays repetition velocity. Does not collect or send any of your data, all local processing.

Screenshots

Base Strength AI4 screens

Verdict

The call

The clearest difference is in-app purchases: RPE 8 (slowdown tracker) at none against Base Strength AI's 3. On price, update cadence, ads and device support 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. Base Strength AI sells 3 in-app purchases, starting at $24.99 per month. RPE 8 (slowdown tracker) asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 9 days. The most recent releases landed on October 15, 2026 and October 17, 2026 respectively.

Scorecard1 real difference · 9 level
Base Strength AI versus RPE 8 (slowdown tracker): the parameters behind the verdict, then further details
ParameterBase Strength AIRPE 8 (slowdown tracker)
PriceFreeFree
Rating4.7 (146 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings146 — better—
Update frequencyEvery 9 daysEvery 9 days
AdsNoNo
In-app purchasesYesNo — better
MonetizationSubscription—
DevicesiPhone, iPad, iPodiPhone, iPod, Apple Watch
Requires iOS15.0 — better15.6
Further details — not scored
Size171 MB1 MB
Age rating4+4+
DeveloperSkynet Coaching Inc.德凯 郝

In-app purchases

3 purchases

Base Strength AI

Subscriptions3
  • BASE Strength3 Days trial$24.991 Month
  • Base Strength App3 Days trial$64.993 Months
  • Base Strength App3 Days trial$229.991 Year
None

RPE 8 (slowdown tracker)

No in-app purchases

Questions

Is Base Strength AI free?
Base Strength AI is free to download, with in-app purchases available.
Is RPE 8 (slowdown tracker) free?
RPE 8 (slowdown tracker) is free to download, with no in-app purchases.
Do Base Strength AI or RPE 8 (slowdown tracker) have ads?
Neither Base Strength AI nor RPE 8 (slowdown tracker) shows ads.
Which is updated more often, Base Strength AI or RPE 8 (slowdown tracker)?
Base Strength AI ships an update every 9 days, and RPE 8 (slowdown tracker) every 9 days. Most recently, Base Strength AI was updated on October 15, 2026 and RPE 8 (slowdown tracker) on October 17, 2026.

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