# RenewableUK vs CILLS

The clearest difference is update cadence: CILLS at every 2 months against RenewableUK's every 8 months. CILLS also leads on iOS requirement (13.0 vs 16.4). 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.

RenewableUK ships an update every 8 months, CILLS every 2 months. The most recent releases landed on October 4, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | RenewableUK | CILLS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 2 months** |
| Size | 50 MB | 30 MB |
| Requires iOS | 16.4 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [RenewableUk](https://appshunter.io/developer/1581313968) | [CILLS](https://appshunter.io/developer/1852869221) |

## What reviewers say

### RenewableUK

[App page](https://appshunter.io/ios/app/renewableuk/id6478032603)

**Features:** Vision Pro support

**In-app purchases:** none


### CILLS

[App page](https://appshunter.io/ios/app/cills/id6755255125)

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

**In-app purchases:** none


## Frequently asked questions

### Is RenewableUK free?

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

### Is CILLS free?

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

### Do RenewableUK or CILLS have ads?

Neither RenewableUK nor CILLS shows ads.

### Which is updated more often, RenewableUK or CILLS?

RenewableUK ships an update every 8 months, and CILLS every 2 months. Most recently, RenewableUK was updated on October 4, 2026 and CILLS on September 17, 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.*