Comparison

Subnet Plus vs ScratchPads

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

Head to head
About

Subnet Plus

Calculate IP subnets with ease on your iPhone or iPad. This tool helps visualize binary and hex information for subnets, aiding in network studies and professional calculations. Save your calculated networks for future reference.

Highlights
  • Subnet calculation
  • Save calculated networks
  • Binary and hex display
  • Network address ranges
  • Broadcast IP addresses
  • Study aid for networking exams
Features
Read full description

Subnet Plus is a fast, beautiful subnet calculator for network engineers, sysadmins, and students — now completely rebuilt for iPhone and iPad. Type any IPv4 or IPv6 address and instantly see the network address, broadcast, usable host range, subnet mask, wildcard mask, prefix length, total and usable hosts, IP class, and address type. A live prefix stepper lets you dial the mask up or down and watch every value update in real time. NETWORK CALCULATIONS • IPv4 and IPv6, auto-detected • Binary view with network/host bits color-coded • Visual address-space map PRO TOOLS • VLSM Designer — carve a network into right-sized subnets and save the plan • CIDR to subnet mask to wildcard converter • Subnet membership — is an address inside a network? • Range to CIDR, and supernet / aggregate • CIDR cheat sheet NETWORK UTILITIES • DNS Lookup — A, AAAA, MX, NS, TXT, CNAME, SOA, SRV, and reverse PTR — using your device's resolver or any IPv4/IPv6 DNS server you add • Ping — round-trip time and packet loss • Traceroute — see the path to any host • Path Monitor (Pro) — a live, MTR-style traceroute with per-hop packet loss and latency • Network Scanner (Pro) — find the active devices on your local network, their names, and open ports • Email Auth — check a domain's SPF, DKIM, and DMARC records SIRI, WIDGETS & APPLE INTELLIGENCE • Explain this — turn any subnet calculation or Email Auth report into a plain-English explanation, generated on-device by Apple Intelligence • Siri & Shortcuts — calculate a subnet, ping a host, check a port, or ask "What's my network?" by voice, and use the same actions in your own Shortcuts • Live Activities — follow Path Monitor and Network Scanner from the Lock Screen and Dynamic Island • Home Screen widget — pin any saved subnet, with a different subnet per widget SAVE & SYNC • Label and save subnets, VLSM plans, and lookups • Everything syncs across your devices with iCloud • Share and export your results Available in 45 languages. Remove ads with a one-time in-app purchase.

About

ScratchPads

Quickly jot down notes and have them automatically saved. This utility app offers multiple scratch pads for easy organization and instant recall of your thoughts. Simply close the app to save your work.

Highlights
  • Multiple scratch pads
  • Automatic note saving
  • Quick text deletion
  • Restores last active pad
  • Simple interface
Features
Read full description

Very simplistic utility app to allow for scratch pad notes to be quickly added and automatically saved. USE: Open app, select one of the "Pads", and record scratch pad notes. To clear a pad, tap the trash icon in the upper right side of the screen and then confirm to delete the pad text. To save the text, just close the app. FEATURES: Five different "Pads" to store scratch pad notes. Delete all text on a Pad with two taps. Scratch pad notes are automatically saved when the app is closed, and restored the next time the app is opened. The last active Pad tab is saved when the app is closed, and restored the next time the app is opened.

Screenshots

Subnet Plus4 screens
ScratchPads3 screens

Verdict

The call

The clearest difference is price: Subnet Plus at Free against ScratchPads's $0.99. Subnet Plus also leads on update cadence (every 2 weeks vs every 10 months) and ratings volume (54 vs 1). ScratchPads's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support 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

Subnet Plus is free to download; ScratchPads costs $0.99 up front. Subnet Plus sells 1 one-off in-app purchase. ScratchPads asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

ScratchPads holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Subnet Plus has 54 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 89% of Subnet Plus's written reviews are positive against 100% of ScratchPads's.

UpkeepUpdate frequency

Subnet Plus ships an update every 2 weeks, ScratchPads every 10 months. The most recent releases landed on October 12, 2026 and September 26, 2026 respectively.

Scorecard9 real differences · 1 level
Subnet Plus versus ScratchPads: the parameters behind the verdict, then further details
ParameterSubnet PlusScratchPads
PriceFree — better$0.99
Rating4.6 (54 ratings)5.0 (1 ratings) — better
Positive reviews89.2% of reviews100.0% of reviews — better
Number of ratings54 — better1
Update frequencyEvery 2 weeks — betterEvery 10 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree — betterPaid
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS26.015.6 — better
Further details — not scored
Size12 MB0 MB
Age rating4+4+
DeveloperTed TrentlerThomas Dalke

Customer experience

Subnet Plus

All ratings54 ratings
Positive92.6%
Neutral3.7%
Negative3.7%
Written reviews74 reviews
Positive89.2%
Neutral4.1%
Negative6.8%

ScratchPads

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Subnet Plus

Reported bugs

8 issues
  • Text in subnet netmask field too large, last octet not visible
  • Values truncated, cannot view full values
  • Subnet mask and IP addresses truncated
  • Cannot read all data
  • Numbers truncated on iPhone 5s
Show 3 more
  • Fields populated by app cannot be expanded
  • Screen cannot fit full mask on iPad
  • Calculation for number of subnets may be incorrect

Requested features

5 requests
  • Export option to share saved subnets
  • Pay to remove ads
  • Landscape mode for iPad Pro
  • Update for visualising or adjusting screen on iOS 9
  • Ability to type netmask

ScratchPads

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Subnet Plus

One-time1
  • remove Ads$4.99
None

ScratchPads

No in-app purchases

Questions

Is Subnet Plus free?
Subnet Plus is free to download, with in-app purchases available.
Is ScratchPads free?
ScratchPads costs $0.99, with no in-app purchases.
Which has better reviews, Subnet Plus or ScratchPads?
ScratchPads is rated higher. Subnet Plus averages 4.6 out of 5 from 54 ratings, while ScratchPads averages 5.0 from 1 ratings.
Do Subnet Plus or ScratchPads have ads?
Subnet Plus shows ads; ScratchPads does not.
Which is updated more often, Subnet Plus or ScratchPads?
Subnet Plus ships an update every 2 weeks, and ScratchPads every 10 months. Most recently, Subnet Plus was updated on October 12, 2026 and ScratchPads on September 26, 2026.

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