# Atom Personal Trainer vs GRAVITY

Atom Personal Trainer and GRAVITY are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Atom Personal Trainer ships an update every 44 months, GRAVITY every 78 months. The most recent releases landed on October 12, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Atom Personal Trainer | GRAVITY |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 44 months** | Every 78 months |
| Size | 12 MB | 11 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [antonio trombetta](https://appshunter.io/developer/1720727893) | [manuel buratti](https://appshunter.io/developer/1449018994) |

## What reviewers say

### Atom Personal Trainer

[App page](https://appshunter.io/ios/app/atom-personal-trainer/id1156432601)

**Features:** macOS Compatibility

**In-app purchases:** none


### GRAVITY

[App page](https://appshunter.io/ios/app/gravity/id1449018995)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Atom Personal Trainer free?

Atom Personal Trainer is free to download, with no in-app purchases.

### Is GRAVITY free?

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

### Do Atom Personal Trainer or GRAVITY have ads?

Neither Atom Personal Trainer nor GRAVITY shows ads.

### Which is updated more often, Atom Personal Trainer or GRAVITY?

Atom Personal Trainer ships an update every 44 months, and GRAVITY every 78 months. Most recently, Atom Personal Trainer was updated on October 12, 2026 and GRAVITY on October 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.*