# Ergo Slim vs Jerome’s adjustable base

The clearest difference is update cadence: Jerome’s adjustable base at every 2 months against Ergo Slim's every 4 months. Ergo Slim's advantage is iOS requirement (8.0 vs 13.0). 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.

Ergo Slim ships an update every 4 months, Jerome’s adjustable base every 2 months. The most recent releases landed on October 10, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Ergo Slim | Jerome’s adjustable base |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Size | 32 MB | 35 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ergomotion, Inc.](https://appshunter.io/developer/765697157) | [Qingdao Richmat Intelligence Technology Inc.](https://appshunter.io/developer/1814751082) |

## What reviewers say

### Ergo Slim

[App page](https://appshunter.io/ios/app/ergo-slim/id1196211362)

**Features:** macOS Compatibility

**In-app purchases:** none


### Jerome’s adjustable base

[App page](https://appshunter.io/ios/app/jeromes-adjustable-base/id6751373400)

**In-app purchases:** none


## Frequently asked questions

### Is Ergo Slim free?

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

### Is Jerome’s adjustable base free?

Jerome’s adjustable base is free to download, with no in-app purchases.

### Do Ergo Slim or Jerome’s adjustable base have ads?

Neither Ergo Slim nor Jerome’s adjustable base shows ads.

### Which is updated more often, Ergo Slim or Jerome’s adjustable base?

Ergo Slim ships an update every 4 months, and Jerome’s adjustable base every 2 months. Most recently, Ergo Slim was updated on October 10, 2026 and Jerome’s adjustable base on October 12, 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.*