# AtlantisNS vs Flex Longevity

The clearest difference is update cadence: Flex Longevity at monthly against AtlantisNS's every 39 months. AtlantisNS'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.

AtlantisNS ships an update every 39 months, Flex Longevity monthly. The most recent releases landed on September 26, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | AtlantisNS | Flex Longevity |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 39 months | **Monthly** |
| Size | 43 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

### AtlantisNS

[App page](https://appshunter.io/ios/app/atlantisns/id1556877566)

**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 AtlantisNS free?

AtlantisNS 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 AtlantisNS or Flex Longevity have ads?

Neither AtlantisNS nor Flex Longevity shows ads.

### Which is updated more often, AtlantisNS or Flex Longevity?

AtlantisNS ships an update every 39 months, and Flex Longevity monthly. Most recently, AtlantisNS was updated on September 26, 2026 and Flex Longevity on September 25, 2026.

---

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