Comparison

Binary Challenge vs Network Labs & Subnet Prep

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

Head to head
About

Binary Challenge

Features
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Convert as many binary numbers you can in 1 minute

About

Network Labs & Subnet Prep

Features
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Still working out every subnet by hand? Practice until the math feels automatic. Network Labs & Subnet Prep gives you a new subnetting question every time, with the steps written out after you answer. It also includes independently created practice questions and guided offline labs for CCNA 200-301 study. SUBNETTING DRILL โ€ข A new question every time, so you practice the method instead of memorizing answers โ€ข Core skills: network address, broadcast address, usable host range, usable host count, prefix to mask, and mask to prefix โ€ข Advanced: wildcard masks for ACLs and OSPF, same-subnet checks, sizing a subnet for a host count (VLSM), splitting a network into subnets, and route summarization โ€ข Answers come from the built-in subnet calculator, which is tested against an independent reference ALSO INCLUDED โ€ข Subnet calculator: network, broadcast, host range, mask, wildcard mask, and usable hosts for any IPv4 address and prefix length โ€ข Practice questions by exam topic, with an explanation for every choice โ€ข Quick 10 and a mini mock exam โ€ข Guided labs for CLI, routing decisions, VLANs, ACLs, NAT, STP, and packet flow โ€ข Progress by exam version, with readiness shown as a study indicator, not a pass guarantee โ€ข Study Mode: lock the apps you choose for a set time, free for everyone โ€ข No account, no ads, and no data sent to external servers FREE AND LIFETIME ACCESS Free: all six core drill types without limits, one question of each advanced drill type, 50 practice questions, 25 guided labs, Quick 10 and Mini Mock, explanations, progress tracking, and purchase restoration. Lifetime Access: unlimited advanced drills, the complete 100-question bank, and all 50 guided labs, so Quick 10 and Mini Mock draw from the full set. One purchase; no subscription. STUDY MODE Pick the apps that pull you away, set a time, and they stay closed until it is up, so you can stay with practice questions and labs. Study Mode is free for everyone, works only on your device, and can be stopped any time from the app. This is an independent study tool. It is not affiliated with, endorsed by, or sponsored by Cisco Systems, Inc. It contains independently created educational content, not actual exam questions or unauthorized exam dumps. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://common-legume-c99.notion.site/3a1fb55d2567815483fdc70eae63359b

Screenshots

Binary Challenge4 screens
Network Labs & Subnet Prep4 screens

Verdict

The call

The clearest difference is in-app purchases: Binary Challenge at none against Network Labs & Subnet Prep's 1. Binary Challenge also leads on iOS requirement (15.6 vs 17.0). Network Labs & Subnet Prep's advantage is update cadence (fortnightly vs every 61 months). On price, ads and device support there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Network Labs & Subnet Prep sells 1 one-off in-app purchase. Binary Challenge asks for nothing beyond the download.

UpkeepUpdate frequency

Binary Challenge ships an update every 61 months, Network Labs & Subnet Prep fortnightly. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

Scorecard3 real differences ยท 3 level
Binary Challenge versus Network Labs & Subnet Prep: the parameters behind the verdict, then further details
ParameterBinary ChallengeNetwork Labs & Subnet Prep
PriceFreeFree
Update frequencyEvery 61 monthsFortnightly โ€” better
AdsNoNo
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPad
Requires iOS15.6 โ€” better17.0
Further details โ€” not scored
Size3 MB3 MB
Age rating4+4+
DeveloperOla Kaare RisaShunya Iwasaki

In-app purchases

None

Binary Challenge

No in-app purchases

1 purchases

Network Labs & Subnet Prep

One-time1
  • CCNA Lifetime Access$39.99

Questions

Is Binary Challenge free?
Binary Challenge is free to download, with no in-app purchases.
Is Network Labs & Subnet Prep free?
Network Labs & Subnet Prep is free to download, with in-app purchases available.
Do Binary Challenge or Network Labs & Subnet Prep have ads?
Neither Binary Challenge nor Network Labs & Subnet Prep shows ads.
Which is updated more often, Binary Challenge or Network Labs & Subnet Prep?
Binary Challenge ships an update every 61 months, and Network Labs & Subnet Prep fortnightly. Most recently, Binary Challenge was updated on October 30, 2026 and Network Labs & Subnet Prep on October 24, 2026.

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