# IBM Aspera vs KDM Reader

The clearest difference is rating: KDM Reader at 5.0 against IBM Aspera's 3.7. KDM Reader also leads on update cadence (every 3 weeks vs every 2 months). IBM Aspera's advantage is ratings volume (22 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

KDM Reader holds the better App Store score, 5.0 against 3.7. That said, the two scores are not equally well evidenced: IBM Aspera has 22 ratings behind it against 1, so its average is the more settled of the two.

IBM Aspera ships an update every 2 months, KDM Reader every 3 weeks. The most recent releases landed on November 5, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | IBM Aspera | KDM Reader |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (22 ratings)](https://appshunter.io/ios/app/ibm-aspera/id1612281171/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/kdm-reader/id6476420239/reviews)** |
| Number of ratings | **22** | 1 |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 54 MB | 1 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Mac |
| Age rating | 17+ | 4+ |
| Developer | [IBM](https://appshunter.io/developer/367353856) | [Center Point Post](https://appshunter.io/developer/1726641663) |

## What reviewers say

### IBM Aspera

[App page](https://appshunter.io/ios/app/ibm-aspera/id1612281171)

Facilitates rapid file transfers to and from your IBM Aspera server. Link your server account to upload, download, and share files seamlessly from your mobile device, mirroring web browser capabilities.

**Highlights:** Fast FASP file transfers, Link server account, Upload, download, and share files, Mobile and web browser parity, Supports multiple IBM Aspera server types

**In-app purchases:** none


### KDM Reader

[App page](https://appshunter.io/ios/app/kdm-reader/id6476420239)

Easily verify KDM validity times, content version, and target DCP player. View information in your local timezone or UTC.

**Highlights:** Verify KDM validity times, Check content version, Identify target DCP player, View in local timezone, View in UTC

**In-app purchases:** none


## Frequently asked questions

### Is IBM Aspera free?

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

### Is KDM Reader free?

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

### Which has better reviews, IBM Aspera or KDM Reader?

KDM Reader is rated higher. IBM Aspera averages 3.7 out of 5 from 22 ratings, while KDM Reader averages 5.0 from 1 ratings.

### Do IBM Aspera or KDM Reader have ads?

Neither IBM Aspera nor KDM Reader shows ads.

### Which is updated more often, IBM Aspera or KDM Reader?

IBM Aspera ships an update every 2 months, and KDM Reader every 3 weeks. Most recently, IBM Aspera was updated on November 5, 2026 and KDM Reader on November 4, 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.*