Comparison

Lambda vs emu98

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

Head to head
About

Lambda

This application allows users to play supported games with others on the same local network. Create rooms and connect with nearby players for a direct, low-latency multiplayer experience. It functions as a multi-system game emulator.

Highlights
  • LAN multiplayer support
  • Create game rooms
  • Connect with nearby players
  • Low-latency gameplay
  • Multi-system emulation
Features
Read full description

Lambda is a brand-new game emulator with LAN multiplayer support. LAN multiplayer is one of Lambda's core features. You can create a room on the same local network (the same Wi-Fi environment), connect with nearby players, and play supported games together for a more direct, low-latency gameplay experience. Legal Disclaimer: Lambda is an independently developed emulator app and is not affiliated with, sponsored by, or endorsed by any game publisher, device manufacturer, or content owner. Compatibility descriptions are provided only to explain the app's supported environments. In-App Purchases: Payment will be charged to your Apple ID account at confirmation of purchase. Subscriptions renew automatically unless canceled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period. After purchase, you can manage or cancel your subscription in your App Store account settings. Email: jiangdi0924@gmail.com Privacy Policy: https://planthunter.notion.site/58b7b83742254a92ac90aaa06f85398b Terms of Service: https://planthunter.notion.site/1d1282126c6e4a259f589f34fb6a46ee EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

emu98

This app is a compatibility environment for running PC-98 programs on iOS devices. It allows users to import and manage disk images, configure settings for different software, and customize controls. It includes interactive demos and supports game controllers.

Highlights
  • Run PC-98 programs on iPhone/iPad
  • Import floppy, hard disk, and CD-ROM images
  • Organize and run local software library
  • Configure font ROMs, graphics, and controls
  • Real-time saving and loading
  • Customize virtual keyboard and layout
  • Supports game controllers
Features
Read full description

emu98 is a compatibility environment for running PC-98 programs on iPhone and iPad. It is designed for retro-computing enthusiasts, software authors, and anyone who wants to organize local program files. Import floppy-disk, hard-disk, and optical-disc images that you created, compiled, or lawfully possess, then organize and run them in the on-device software library. emu98 does not provide commercial software, BIOS or ROM downloads, or an online content catalog. Key features: • Includes two fully original interactive demos • Manages PC-98 floppy-disk, hard-disk, optical-disc, and ZIP files • Supports per-software font ROM, display, performance, and control settings • Supports quick save, quick load, and save-state import and export • Customizable on-screen controls, opacity, size, and layout • External keyboard, mouse, and controller mapping support • Simplified Chinese, English, and Japanese interfaces • Imported software, ROMs, artwork, settings, and save states remain on the device The free version allows one user-imported local program. A one-time non-consumable purchase unlocks additional software slots and can be restored through your Apple ID. emu98 has no user accounts, online resource catalog, or user-generated-content platform. Except for purchases, purchase restoration, and entitlement verification, the app does not upload user-imported files to a server. Import only files that you created or lawfully possess. emu98 is not affiliated with or endorsed by the official NP2 project.

Screenshots

Lambda4 screens
emu984 screens

Verdict

The call

The clearest difference is in-app purchases: Lambda at none against emu98's 1. Lambda also leads on rating (5.0 vs 4.7). emu98's advantage is update cadence (every 2 days vs every 5 weeks) and ratings volume (3 vs 1). On price, 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

Both are free to download. emu98 sells 1 one-off in-app purchase. Lambda asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Lambda holds the better App Store score, 5.0 against 4.7. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

UpkeepUpdate frequency

Lambda ships an update every 5 weeks, emu98 every 2 days. The most recent releases landed on October 15, 2026 and October 6, 2026 respectively.

Scorecard5 real differences · 5 level
Lambda versus emu98: the parameters behind the verdict, then further details
ParameterLambdaemu98
PriceFreeFree
Rating5.0 (1 ratings) — better4.7 (3 ratings)
Positive reviews—100.0% of reviews
Number of ratings13 — better
Update frequencyEvery 5 weeksEvery 2 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhoneiPhone, iPad — better
Requires iOS17.016.0 — better
Further details — not scored
Size23 MB9 MB
Age rating4+17+
Developer笛 姜Caner (Chongqing) Computer System Co., Ltd.

Customer experience

Lambda

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

emu98

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Lambda

No in-app purchases

1 purchases

emu98

One-time1
  • Unlock More Software Slots$0.99

Questions

Is Lambda free?
Lambda is free to download, with no in-app purchases.
Is emu98 free?
emu98 is free to download, with in-app purchases available.
Which has better reviews, Lambda or emu98?
Lambda is rated higher. Lambda averages 5.0 out of 5 from 1 ratings, while emu98 averages 4.7 from 3 ratings.
Do Lambda or emu98 have ads?
Neither Lambda nor emu98 shows ads.
Which is updated more often, Lambda or emu98?
Lambda ships an update every 5 weeks, and emu98 every 2 days. Most recently, Lambda was updated on October 15, 2026 and emu98 on October 6, 2026.

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