Comparison

eSPi vs Cornerman for K.O. II

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

eSPi

Recreate the iconic sound of the 90's SP-1200 sampler on your iPad. Import or record audio, then chop, pitch, and sequence it to create sampled beats. Experience the gritty sound and workflow of a legendary music production tool.

Highlights
  • Sampled beat creation
  • SP-1200 emulation
  • Import and record samples
  • Sample chopping and pitching
  • Sequencing
  • Multiple filters and effects
  • Compressor
Features
Currently charting
Read full description

Create sampled beats the original 90's way using eSPi. The SP-1200 was the primary tool of many legendary hip-hop beatmakers and house music producers in the 90's. It is well known for its gritty sound and simple but effective workflow. Now with eSPi you get to experience this machine right at your fingertips, on your iPad. Import samples or record them yourself, chop them up, pitch them and sequence them within the app. Features include multiple filters, effects, a compressor, and most importantly the best emulation of the gritty signature sound produced by the SP-1200 when pitching samples up & down. eSPi is also available on Mac, Linux & PC. *SP1200 & SP12 are registered trademarks or Rossum Electromusic LLC.

About

Cornerman for K.O. II

This app serves as a sample librarian for the Teenage Engineering EP-133 K.O. II sampler. It allows users to upload, download, and organize backups directly from their device. Note that it requires a USB-C connection and is only compatible with iOS devices featuring such ports.

Highlights
  • Sample librarian for EP-133 K.O. II
  • Upload and download backups
  • Organize and share backups
  • USB-C connection required
  • iOS device compatibility
Features
Read full description

Cornerman for K.O. II is a third party Sample Librarian for the Teenage Engineering EP-133 K.O. II Sampler Composer. The app doesn't make any sound by itself and is designed to work connected to the EP-133 via an USB-C connection. IMPORTANT: Please note that due to hardware limitations of the K.O. II the app is only compatible with iOS devices using USB-C ports. Power is provided by the mobile device for the EP-133 while connected. Features: - Upload and download backups from your K.O. II - Organize and share your backups with friends Drum Machine Funk is an independent software developer not affiliated with Teenage Engineering. We develop innovative apps for your favorite sampler and synthesizer.

Screenshots

eSPi4 screens
Cornerman for K.O. II4 screens

Verdict

The call

The clearest difference is price: Cornerman for K.O. II at Free against eSPi's $19.99. eSPi's advantage is rating (3.7 vs 2.5) and in-app purchases (none vs 1). On ads, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Cornerman for K.O. II is free to download; eSPi costs $19.99 up front. Cornerman for K.O. II sells 1 one-off in-app purchase. eSPi asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

eSPi holds the better App Store score, 3.7 against 2.5. Both are backed by a comparable volume of ratings — 39 and 11 respectively. Written reviews point the same way: 52% of eSPi's written reviews are positive against 20% of Cornerman for K.O. II's.

UpkeepUpdate frequency

eSPi ships an update fortnightly, Cornerman for K.O. II every 3 months. The most recent releases landed on November 7, 2026 and November 4, 2026 respectively.

Scorecard8 real differences · 3 level
eSPi versus Cornerman for K.O. II: the parameters behind the verdict, then further details
ParametereSPiCornerman for K.O. II
Price$19.99Free — better
Rating3.7 (39 ratings) — better2.5 (11 ratings)
Positive reviews51.5% of reviews — better20.0% of reviews
Number of ratings39 — better11
Update frequencyFortnightly — betterEvery 3 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
Best chart rank#87 — better—
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS14.014.0
Further details — not scored
Size32 MB45 MB
Age rating4+4+
DeveloperLouis TeboulDelta Seven Kft.

Customer experience

eSPi

All ratings39 ratings
Positive59.0%
Neutral15.4%
Negative25.6%
Written reviews66 reviews
Positive51.5%
Neutral19.7%
Negative28.8%

Cornerman for K.O. II

All ratings11 ratings
Positive36.4%
Neutral0.0%
Negative63.6%
Written reviews10 reviews
Positive20.0%
Neutral0.0%
Negative80.0%

In-app purchases

None

eSPi

No in-app purchases

1 purchases

Cornerman for K.O. II

One-time1
  • Restore/Backup Functionality$14.99

Questions

Is eSPi free?
eSPi costs $19.99, with no in-app purchases.
Is Cornerman for K.O. II free?
Cornerman for K.O. II is free to download, with in-app purchases available.
Which has better reviews, eSPi or Cornerman for K.O. II?
eSPi is rated higher. eSPi averages 3.7 out of 5 from 39 ratings, while Cornerman for K.O. II averages 2.5 from 11 ratings.
Do eSPi or Cornerman for K.O. II have ads?
Neither eSPi nor Cornerman for K.O. II shows ads.
Which is updated more often, eSPi or Cornerman for K.O. II?
eSPi ships an update fortnightly, and Cornerman for K.O. II every 3 months. Most recently, eSPi was updated on November 7, 2026 and Cornerman for K.O. II on November 4, 2026.

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