# Synergy Training Center vs Flex Longevity

The clearest difference is update cadence: Flex Longevity at monthly against Synergy Training Center's every 39 months. Synergy Training Center's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 16.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Synergy Training Center ships an update every 39 months, Flex Longevity monthly. Both last shipped on September 9, 2026.

## The numbers

| Metric | Synergy Training Center | Flex Longevity |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/synergy-training-center/id1451489676/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 39 months | **Monthly** |
| Monetization | Free | — |
| Size | 50 MB | 99 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Thinkit doo](https://appshunter.io/developer/1392908612) | [Andrea Solutions](https://appshunter.io/developer/1734094747) |

## What reviewers say

### Synergy Training Center

[App page](https://appshunter.io/ios/app/synergy-training-center/id1451489676)

This app allows users of Synergy Training Center to manage their gym experience. View subscription details, training plans, and book group or individual sessions. Potential clients can also explore gym offerings.

**Highlights:** Check subscription status, View training plans, Reserve group training, Book individual sessions, Explore gym offerings

**Features:** macOS Compatibility

**In-app purchases:** none


### Flex Longevity

[App page](https://appshunter.io/ios/app/flex-longevity/id6667106405)

**In-app purchases:** none


## Frequently asked questions

### Is Synergy Training Center free?

Synergy Training Center is free to download, with no in-app purchases.

### Is Flex Longevity free?

Flex Longevity is free to download, with no in-app purchases.

### Do Synergy Training Center or Flex Longevity have ads?

Neither Synergy Training Center nor Flex Longevity shows ads.

### Which is updated more often, Synergy Training Center or Flex Longevity?

Synergy Training Center ships an update every 39 months, and Flex Longevity monthly. Most recently, Synergy Training Center was updated on September 9, 2026 and Flex Longevity on September 9, 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.*