# Payback Day vs Gravity

The clearest difference is update cadence: Payback Day at every 2 days against Gravity's every 2 weeks. On price, ads, in-app purchases and device support there is nothing between them.

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

Payback Day ships an update every 2 days, Gravity every 2 weeks. The most recent releases landed on September 30, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Payback Day | Gravity |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 2 weeks |
| Size | 36 MB | 31 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [IBCMobile](https://appshunter.io/developer/625175533) | [Sumith T](https://appshunter.io/developer/6799353070) |

## What reviewers say

### Payback Day

[App page](https://appshunter.io/ios/app/payback-day-split-and-settle/id6792700265)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Gravity

[App page](https://appshunter.io/ios/app/gravity-expense-tracker/id6799353068)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Payback Day free?

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

### Is Gravity free?

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

### Do Payback Day or Gravity have ads?

Neither Payback Day nor Gravity shows ads.

### Which is updated more often, Payback Day or Gravity?

Payback Day ships an update every 2 days, and Gravity every 2 weeks. Most recently, Payback Day was updated on September 30, 2026 and Gravity on October 15, 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.*