# CBM FMS vs OIDDS

The clearest difference is update cadence: CBM FMS at every 2 months against OIDDS's every 3 months. 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.

CBM FMS ships an update every 2 months, OIDDS every 3 months. The most recent releases landed on October 10, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | CBM FMS | OIDDS |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Size | 38 MB | 45 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [IBASE Technology Pte Ltd](https://appshunter.io/developer/387147768) | [CAMP CHALLENGE PTE. LTD.](https://appshunter.io/developer/1512378273) |

## What reviewers say

### CBM FMS

[App page](https://appshunter.io/ios/app/cbm-fms/id1222540329)

**Features:** macOS Compatibility

**In-app purchases:** none


### OIDDS

[App page](https://appshunter.io/ios/app/oidds/id1512378274)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CBM FMS free?

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

### Is OIDDS free?

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

### Do CBM FMS or OIDDS have ads?

Neither CBM FMS nor OIDDS shows ads.

### Which is updated more often, CBM FMS or OIDDS?

CBM FMS ships an update every 2 months, and OIDDS every 3 months. Most recently, CBM FMS was updated on October 10, 2026 and OIDDS on October 7, 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.*