# Geared vs RainbowCalc

The clearest difference is ads: Geared at none against RainbowCalc's shown. Geared also leads on iOS requirement (13.4 vs 15.1). On price, update cadence, 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.

Geared ships an update every 3 weeks, RainbowCalc fortnightly. The most recent releases landed on September 16, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Geared | RainbowCalc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Size | 18 MB | 34 MB |
| Requires iOS | **13.4** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [AisaHub](https://appshunter.io/developer/1724156124) | [Andre Silva](https://appshunter.io/developer/1719182490) |

## What reviewers say

### Geared

[App page](https://appshunter.io/ios/app/geared/id6475396820)

**Features:** macOS Compatibility

**In-app purchases:** none


### RainbowCalc

[App page](https://appshunter.io/ios/app/rainbowcalc/id6479331134)

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

**In-app purchases:** none


## Frequently asked questions

### Is Geared free?

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

### Is RainbowCalc free?

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

### Do Geared or RainbowCalc have ads?

RainbowCalc shows ads; Geared does not.

### Which is updated more often, Geared or RainbowCalc?

Geared ships an update every 3 weeks, and RainbowCalc fortnightly. Most recently, Geared was updated on September 16, 2026 and RainbowCalc on September 14, 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.*