# idMax SDK vs BellB ID

The clearest difference is in-app purchases: idMax SDK at none against BellB ID's 4. BellB ID's advantage is update cadence (every 6 weeks vs every 3 months) and iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. BellB ID sells 4 one-off in-app purchases. idMax SDK asks for nothing beyond the download.

idMax SDK ships an update every 3 months, BellB ID every 6 weeks. The most recent releases landed on August 23, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | idMax SDK | BellB ID |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Size | 161 MB | 29 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [OCR Solutions, Inc.](https://appshunter.io/developer/1526660568) | [YAS IAROSLAV OLENCOVSCHI](https://appshunter.io/developer/1735932637) |

## What reviewers say

### idMax SDK

[App page](https://appshunter.io/ios/app/idmax-sdk/id6471846023)

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

**In-app purchases:** none


### BellB ID

[App page](https://appshunter.io/ios/app/bellb-id-passport-reader/id6479426352)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 50 Credits | $4.99 | one-time |
| 280 Credits | $24.99 | one-time |
| 625 Credits | $49.99 | one-time |
| 1430 Credits | $99.99 | one-time |


## Frequently asked questions

### Is idMax SDK free?

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

### Is BellB ID free?

BellB ID is free to download, with in-app purchases available.

### Do idMax SDK or BellB ID have ads?

Neither idMax SDK nor BellB ID shows ads.

### Which is updated more often, idMax SDK or BellB ID?

idMax SDK ships an update every 3 months, and BellB ID every 6 weeks. Most recently, idMax SDK was updated on August 23, 2026 and BellB ID on September 15, 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.*