Comparison

GymNext Flex Timer vs KUMA Saco

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

Head to head
About

GymNext Flex Timer

This app offers advanced interval training timing with customizable modes and the ability to control an external LED display. It integrates with wearables and heart rate monitors for a comprehensive workout experience.

Highlights
  • Control external LED displays
  • Multiple customizable timer modes (Tabata, EMOM, etc.)
  • Save and recall favorite workouts
  • Apple Watch control
  • Audio sync with music
  • Heart rate monitor integration
  • Control multiple LED displays
Features
Read full description

Meet the future of interval training. GymNext Flex Timer is the only timer app that combines powerful workout programming with control of large, wall-mounted LED displays—giving you the best of both worlds. Traditional gym timers rely on clunky remotes and are difficult to use. Mobile apps are flexible, but hard to see across the room. Flex Timer solves both. Build and control your workouts from your phone while displaying them on bright, easy-to-read LED screens anywhere in your gym. Perfect for HIIT, CrossFit, circuits, bootcamps, boxing, MMA, strength training, and more. Features: • Use the app on its own or connect to GymNext LED displays for maximum visibility • Core timer modes include Count Up/Down, Round, Tabata, EMOM, Mixed Intervals, and Sets with Rest • Plan your personal workouts or full classes in advance—everything ready in one tap • Share timers with athletes and trainers instantly using simple links • Save workouts to your library for quick access • Control your timer from Apple Watch—completely hands-free • Smart audio sync keeps your music and timer cues perfectly aligned • Connect multiple Bluetooth heart rate monitors and track performance in real time • Set custom heart rate zones for better training feedback • Control multiple timers across your gym at the same time • Run different workouts simultaneously for group training • Reliable Bluetooth control with no line-of-sight limitations “This will eventually become the standard for all gyms” – Garage Gym Reviews “All our coaches love the clock” – CrossFit Barrie “We love it to death” – Wolverine Strength & Conditioning Download Flex Timer and upgrade the way you train. We’re always improving. Have feedback? Reach us at support@gymnext.com

About

KUMA Saco

Manage your KUMA Saco account, including class reservations and gym event sign-ups. Update personal information and payment details easily. Stay connected with your fitness community.

Highlights
  • Class reservations
  • Gym event sign-ups
  • Account management
  • Update personal information
  • Manage payment methods
Features
Read full description

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

Screenshots

GymNext Flex Timer4 screens
KUMA Saco4 screens

Verdict

The call

The clearest difference is rating: GymNext Flex Timer at 4.8 against KUMA Saco's 4.0. GymNext Flex Timer also leads on ads (none vs shown) and ratings volume (2.1K vs 3). KUMA Saco's advantage is in-app purchases (none vs 2) and review sentiment (100% vs 72%). On price, update cadence, 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. GymNext Flex Timer sells 2 in-app purchases, starting at $8.99 per month. KUMA Saco asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

GymNext Flex Timer holds the better App Store score, 4.8 against 4.0. That said, the two scores are not equally well evidenced: GymNext Flex Timer has 2.1K ratings behind it against 3, so its average is the more settled of the two. Written reviews complicate that: 72% of GymNext Flex Timer's written reviews are positive against 100% of KUMA Saco's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

GymNext Flex Timer ships an update every 3 weeks, KUMA Saco every 5 weeks. The most recent releases landed on September 25, 2026 and June 20, 2026 respectively.

Scorecard6 real differences · 4 level
GymNext Flex Timer versus KUMA Saco: the parameters behind the verdict, then further details
ParameterGymNext Flex TimerKUMA Saco
PriceFreeFree
Rating4.8 (2.1K ratings) — better4.0 (3 ratings)
Positive reviews72.4% of reviews100.0% of reviews — better
Number of ratings2.1K — better3
Update frequencyEvery 3 weeks — betterEvery 5 weeks
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree — betterAd-supported
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, iPod
Requires iOS15.015
Further details — not scored
Size185 MB92 MB
Age rating4+4+
DeveloperHomick EnterprisesKUMA Fit LLC

Customer experience

GymNext Flex Timer

All ratings2,119 ratings
Positive96.6%
Neutral1.1%
Negative2.4%
Written reviews170 reviews
Positive72.4%
Neutral5.9%
Negative21.8%

KUMA Saco

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

GymNext Flex Timer

Reported bugs

2 issues
  • Saved timers not consistently loading
  • Segmented timers not saving properly

Requested features

4 requests
  • Watch app integration for remote control
  • Background audio playback when app is closed
  • Customizable voice options
  • Lap timer functionality

KUMA Saco

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

GymNext Flex Timer

Subscriptions2
  • Flex Timer Pro Monthly7 Days trial$8.991 Month
  • Flex Timer Pro Yearly1 Month trial$79.991 Year
None

KUMA Saco

No in-app purchases

Questions

Is GymNext Flex Timer free?
GymNext Flex Timer is free to download, with in-app purchases available.
Is KUMA Saco free?
KUMA Saco is free to download, with no in-app purchases.
Which has better reviews, GymNext Flex Timer or KUMA Saco?
GymNext Flex Timer is rated higher. GymNext Flex Timer averages 4.8 out of 5 from 2.1K ratings, while KUMA Saco averages 4.0 from 3 ratings.
Do GymNext Flex Timer or KUMA Saco have ads?
KUMA Saco shows ads; GymNext Flex Timer does not.
Which is updated more often, GymNext Flex Timer or KUMA Saco?
GymNext Flex Timer ships an update every 3 weeks, and KUMA Saco every 5 weeks. Most recently, GymNext Flex Timer was updated on September 25, 2026 and KUMA Saco on June 20, 2026.

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