Comparison

Roommates by Roomi vs Knife Sharpening Log & Timer

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

Head to head
About

Roommates by Roomi

Find safe and verified roommates and rooms for rent in over 200 cities worldwide. Browse listings, swipe to match with potential flatmates, and secure rentals with an in-app booking system. Offers optional paid features for enhanced verification and faster searching.

Highlights
  • Verified roommate community
  • Rooms for rent and sublets
  • Swipe and match with flatmates
  • In-app booking system
  • Optional ID and background checks
  • Listing and profile boosts
Features
Read full description

Roomi is the safest, easiest roommate/flatmate finder in over 200 cities around the world. Join a verified community of roommates/flatmates and find rooms for rent, sublets, spare rooms, and monthly rentals. Rent rooms for rent Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Rent your spare room for free and find a flatmate/roommate on your terms. Browse Roomi's roommate/flatmate finder to swipe and match with roommates/flatmates that get you! Find sublets and spare rooms Rent rooms from verified roommates/flatmates and find monthly rentals, rooms for rent, and sublets quickly. Free roommate/flatmate finder - Search for a spare room, post a room for rent, or find a roommate/flatmate for free - Get verified with an ID and Background check [Paid] - Boost your listing to speed up your roommate/flatmate search [Paid] - Boost your profile to find rooms for rent faster [Paid] - Get paid with a seamless in-app booking system Subscription info Upgrade your account to unlock premium features like background checks, identity verifications, unlimited messaging, at one flat cost. Save time, money and find a roommate/flatmate faster. Recurring plans renew within 24-hours prior to the end of the current period. Subscriptions may be managed and auto-renewal is turned off by going to the Account Settings after purchase.

About

Knife Sharpening Log & Timer

Features
Read full description

A sharpening session is only repeatable if you wrote it down. This app records the stones you pulled, the angle you held, the minutes you spent on each grit, and how the finished edge actually cut — so the next time that same blade comes off the board, you already know the sequence that worked. BUILD YOUR BLADE LIBRARY Add every blade you maintain: chef's knife, paring, boning, pocket folder, chisel, plane iron. Each one stores its steel type, its bevel angle in degrees, your own working notes, and a color tag so you can spot it at a glance in the list. Sort or search the library, and see at a glance which blades were done recently and which have gone untouched. RUN A TIMED SESSION Pick a blade, hit start, and a running timer takes over. As you move up through the progression, add a grit phase for each stone you use and the minutes you spent on it. The session builds itself into an ordered record of the progression rather than something you try to remember afterward. RATE THE EDGE YOU GOT Finish a session with a one-to-five rating and a note on how it went — burr came up fast, needed longer on the 1000, the 12000 was overkill. Those ratings are what turn a pile of sessions into a usable pattern. STONE INVENTORY Keep a record of the stones on your bench: grit number, family (Japanese water, diamond, oil, ceramic), and soak time for the ones that need it. A grit-progression strip lays your inventory out coarse to fine so gaps in the jump are obvious. A starter set of common grits is already loaded; add, edit, or remove to match the stones you actually own. PER-BLADE NUMBERS Open any blade to see how many sessions it has had, its average edge rating, total bench minutes, and the average number of days between sharpenings. Library-wide totals and a session streak live in the history tab. MAINTENANCE REMINDERS Set a cadence per blade — 14 days for the workhorse, 90 for the one that rarely comes out. A local notification nudges you before the edge wanders, and it reschedules itself from your most recent session. EVERYTHING STAYS ON THE DEVICE No account to create, no sign-in, no sync. Your blades, stones, and session history are stored locally on your iPhone. Built for kitchen cooks, hunters, woodworkers, and anyone who would rather keep a real maintenance record than guess. Knife Sharpening Log & Timer requires a Pro unlock to log a sharpening. Pro opens the whole bench record: an unlimited blade library with steel type, bevel angle, notes and color tags, timed sessions with a grit phase for every stone you pull, edge ratings and session notes, the stone inventory with its grit-progression strip, per-blade numbers for sessions, average edge rating, bench minutes and days between sharpenings, the full session history and streak, and per-blade maintenance reminders. Plans: a weekly subscription, a yearly subscription, or a one-time lifetime purchase. Payment is charged to your Apple ID account at confirmation of purchase. The subscription renews automatically unless it is cancelled at least 24 hours before the end of the current period, and your account is charged for renewal within 24 hours prior to the end of the current period. You can manage your subscription and turn off auto-renewal in your Account Settings after purchase. Privacy policy: https://pnkl26.web.app/privacy-policy Terms of use: https://pnkl26.web.app/terms-of-service

Screenshots

Roommates by Roomi4 screens
Knife Sharpening Log & Timer4 screens

Verdict

The call

The clearest difference is in-app purchases: Roommates by Roomi at none against Knife Sharpening Log & Timer's 3. Roommates by Roomi also leads on update cadence (every 3 weeks vs every 5 months) and device support (3 vs 1). 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. Knife Sharpening Log & Timer sells 3 in-app purchases, starting at $2.99 per 7 days. Roommates by Roomi asks for nothing beyond the download.

UpkeepUpdate frequency

Roommates by Roomi ships an update every 3 weeks, Knife Sharpening Log & Timer every 5 months. The most recent releases landed on November 11, 2026 and November 5, 2026 respectively.

Scorecard4 real differences · 6 level
Roommates by Roomi versus Knife Sharpening Log & Timer: the parameters behind the verdict, then further details
ParameterRoommates by RoomiKnife Sharpening Log & Timer
PriceFreeFree
Rating2.1 (739 ratings) — better—
Positive reviews22.0% of reviews—
Number of ratings739 — better—
Update frequencyEvery 3 weeks — betterEvery 5 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.1 — better17.0
Further details — not scored
Size67 MB4 MB
Age rating4+4+
DeveloperRoomi, Inc.Linh Phan Nhat Khanh

Bugs and requests

Roommates by Roomi

Reported bugs

4 issues
  • Address bar not working properly
  • Listings not showing up in search results
  • Inability to edit or delete profiles/listings
  • Inconsistent push notification delivery

Requested features

5 requests
  • Improved app stability and performance
  • More affordable subscription options
  • Better verification process to weed out scammers
  • Enhanced search and filtering capabilities
  • Ability to contact users without paid subscription

Knife Sharpening Log & Timer

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Roommates by Roomi

No in-app purchases

3 purchases

Knife Sharpening Log & Timer

Subscriptions2
  • Grit Progression Planner$2.997 Days
  • Bevel Angle Tracker$14.991 Year
One-time1
  • Blade Maintenance Reminders$29.99

Questions

Is Roommates by Roomi free?
Roommates by Roomi is free to download, with no in-app purchases.
Is Knife Sharpening Log & Timer free?
Knife Sharpening Log & Timer is free to download, with in-app purchases available.
Do Roommates by Roomi or Knife Sharpening Log & Timer have ads?
Neither Roommates by Roomi nor Knife Sharpening Log & Timer shows ads.
Which is updated more often, Roommates by Roomi or Knife Sharpening Log & Timer?
Roommates by Roomi ships an update every 3 weeks, and Knife Sharpening Log & Timer every 5 months. Most recently, Roommates by Roomi was updated on November 11, 2026 and Knife Sharpening Log & Timer on November 5, 2026.

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