# GymNext Flex Timer vs KUMA Saco

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.

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.

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.

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.

## The numbers

| Metric | GymNext Flex Timer | KUMA Saco |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (2.1K ratings)](https://appshunter.io/ios/app/gymnext-flex-timer/id977329344/reviews)** | [4.0 (3 ratings)](https://appshunter.io/ios/app/kuma-saco/id1564113056/reviews) |
| Number of ratings | **2.1K** | 3 |
| Positive reviews | 72.4% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 5 weeks |
| Monetization | **Free** | Ad-supported |
| Size | 185 MB | 92 MB |
| Requires iOS | 15.0 | 15 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Homick Enterprises](https://appshunter.io/developer/346326303) | [KUMA Fit LLC](https://appshunter.io/developer/1572678105) |

## What reviewers say

### GymNext Flex Timer

[App page](https://appshunter.io/ios/app/gymnext-flex-timer/id977329344)

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:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Flex Timer Pro Monthly | $8.99 | per month |
| Flex Timer Pro Yearly | $79.99 | per year |

**What reviewers like**

- 🚀 Versatile and customizable
- 👍 User-friendly interface
- 🔔 Reliable and consistent
- 💪 Excellent for interval training
- 🔊 Clear audio cues

**What reviewers complain about**

- 🐛 Audio cues sometimes stop working
- 🔊 Lack of volume control
- 🔍 Detailed instructions needed for beginners
- ⏱️ Delayed countdown between phone and timer

**Reported bugs**

- Saved timers not consistently loading
- Segmented timers not saving properly

**Requested features**

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


### KUMA Saco

[App page](https://appshunter.io/ios/app/kuma-saco/id1564113056)

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:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*