# Rapid RMS vs OIS Basic

The clearest difference is update cadence: OIS Basic at every 3 weeks against Rapid RMS's every 2 months. OIS Basic also leads on iOS requirement (9.0 vs 17.0). 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.

Rapid RMS ships an update every 2 months, OIS Basic every 3 weeks. The most recent releases landed on June 2, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Rapid RMS | OIS Basic |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (22 ratings)](https://appshunter.io/ios/app/rapid-rms/id942407690/reviews)** | — |
| Number of ratings | **22** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 184 MB | 101 MB |
| Requires iOS | 17.0 | **9.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Nirav Inc.](https://appshunter.io/developer/929010075) | [Orders In Seconds, Inc.](https://appshunter.io/developer/411806858) |

## What reviewers say

### Rapid RMS

[App page](https://appshunter.io/ios/app/rapid-rms/id942407690)

A cloud-based point-of-sale and inventory management system designed for high-volume businesses, multiple locations, and remote sales. Offers features like cash register functions, promotion management, and detailed reporting. It is free and does not charge for software updates or service contracts.

**Highlights:** Cloud-based POS system, Robust inventory management, Industry-specific layouts (Gas, Retail, Restaurant), Cash register functions with offline support, Promotion and discount management, Customer loyalty programs, Full web-based back office

**Features:** macOS Compatibility

**In-app purchases:** none


### OIS Basic

[App page](https://appshunter.io/ios/app/ois-basic/id1503407612)

**In-app purchases:** none


## Frequently asked questions

### Is Rapid RMS free?

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

### Is OIS Basic free?

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

### Do Rapid RMS or OIS Basic have ads?

Neither Rapid RMS nor OIS Basic shows ads.

### Which is updated more often, Rapid RMS or OIS Basic?

Rapid RMS ships an update every 2 months, and OIS Basic every 3 weeks. Most recently, Rapid RMS was updated on June 2, 2026 and OIS Basic 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.*