Comparison

PromoKit vs Z80CPM

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

Head to head
About

PromoKit

Features
Read full description

Promote Smarter. Share Faster. PromoKit is your essential companion for managing and sharing App Store promo codes—perfect for live events, conferences, or one-on-one demos. Import the .txt file from App Store Connect in seconds and let PromoKit do the rest: • Effortlessly view and manage all your promo codes • Instantly copy a code or deep link to share with a tap • See which codes are used and how many are still valid • Built-in dark mode for low-light environments • VoiceOver support for full accessibility Whether you’re showcasing your app at a tech event, handing out codes in person, or sending them via email or DM—PromoKit saves you time and makes you look professional. No more spreadsheets. No more chaos. Just clean, fast promo code sharing—right from your iPhone. ----- Legal Notice ----- Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Z80CPM

Experience the classic CP/M operating system on your iOS or Mac device with a full Z80 processor emulator. Run authentic CP/M software, including operating systems, word processors, programming languages, and text adventures. Works offline with support for multiple disk images.

Highlights
  • Full Z80 emulation
  • VT100 terminal support
  • Multiple disk image mounting
  • Offline functionality
  • Native Mac support
  • Downloadable CP/M disk images
Features
Read full description

RomWBW CP/M brings the classic CP/M operating system to your iPhone, iPad, and Mac with a full Z80 processor emulator. FEATURES • Full Z80 Emulation - Accurate instruction emulation runs authentic CP/M software • VT100 Terminal - ANSI escape sequence support for text adventures and productivity apps • Multiple Disk Support - Mount up to 4 disk images simultaneously • Download Disk Images - Fetch CP/M disk images directly from the RomWBW project • Works Offline - Downloaded disk images are stored locally • Native Mac Support - Runs natively on macOS via Mac Catalyst CLASSIC SOFTWARE Run the software that defined personal computing: • Operating Systems: CP/M 2.2, CP/M 3, ZSDOS, NZCOM, ZPM3 • Word Processing: WordStar • Programming: Turbo Pascal, Microsoft BASIC • Text Adventures: Zork, Adventure, Hitchhiker's Guide to the Galaxy • Databases: dBASE II • And thousands more CP/M programs GETTING STARTED 1. Open Settings and download a disk image (CP/M 2.2 recommended) 2. Select the disk image for Unit 0 3. Press Play to start the emulator 4. Press 0 at the boot menu to boot from disk BUILT ON ROMWBW This emulator is built on the RomWBW HBIOS platform, the same firmware used by real retro Z80 hardware projects. Disk images are downloaded from the official RomWBW project and include freely distributable CP/M software. TECHNICAL DETAILS • 80x25 character terminal display • hd1k disk format (8MB per slice, 64MB per disk) • Hardware keyboard support • Portrait and landscape orientation Perfect for retrocomputing enthusiasts, computer history education, or anyone who wants to experience the operating system that launched the personal computer revolution.

Screenshots

PromoKit4 screens
Z80CPM1 screens

Verdict

The call

The clearest difference is in-app purchases: Z80CPM at none against PromoKit's 1. Z80CPM also leads on device support (4 vs 2) and iOS requirement (15.0 vs 18.0). PromoKit's advantage is update cadence (daily vs every 10 days). On price and ads 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. PromoKit sells 1 one-off in-app purchase. Z80CPM asks for nothing beyond the download.

UpkeepUpdate frequency

PromoKit ships an update daily, Z80CPM every 10 days. The most recent releases landed on September 16, 2026 and September 18, 2026 respectively.

Scorecard4 real differences · 5 level
PromoKit versus Z80CPM: the parameters behind the verdict, then further details
ParameterPromoKitZ80CPM
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyDaily — betterEvery 10 days
AdsNoNo
In-app purchasesYesNo — better
Monetization—Free
DevicesiPhone, iPadiPhone, iPad, iPod, Mac — better
Requires iOS18.015.0 — better
Further details — not scored
Size19 MB1 MB
Age rating4+4+
DeveloperJan ArmbrustAaron Wohl

In-app purchases

1 purchases

PromoKit

One-time1
  • Pro Lifetime$2.99
None

Z80CPM

No in-app purchases

Questions

Is PromoKit free?
PromoKit is free to download, with in-app purchases available.
Is Z80CPM free?
Z80CPM is free to download, with no in-app purchases.
Do PromoKit or Z80CPM have ads?
Neither PromoKit nor Z80CPM shows ads.
Which is updated more often, PromoKit or Z80CPM?
PromoKit ships an update daily, and Z80CPM every 10 days. Most recently, PromoKit was updated on September 16, 2026 and Z80CPM on September 18, 2026.

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