SeamStack vs Feathers
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SeamStack
Organize all your sewing projects, from current works-in-progress to completed creations. Track project details, store measurements with history, and access built-in size charts. Build a personal archive of your sewing journey.
- Project tracking with status and photos
- Measurement profiles with history
- Built-in size charts (inches/cm)
- Cloud storage for data backup
- Clean and intuitive design
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SeamStack is the organizational tool sewists have been asking for. Keep all your projects in one place - titles, notes, status, and photos of each creation. See what you're working on now and remember everything you've completed. Store measurements exactly how you need them. Create profiles for everyone you sew for, choose inches or centimeters, and watch how measurements change over time. Important profiles stay pinned at the top. Reference built-in size charts whenever you need them. With SeamStack, you're building your own sewing archive. Look back at what you've made, see how your skills have grown, and feel proud of everything you've created. Features: Project tracking with status updates and photos Measurement profiles with history tracking Built-in size charts (switch between in/cm) Cloud storage that keeps everything safe Clean design that doesn't get in your way SeamStack: Simple. Useful. Yours.
Feathers
Record detailed bird sightings and sessions in the field. Save precise locations, apply custom tags, and refine records with taxonomy options. Fetch real-time weather to document your birding journey.
- Capture individual bird sightings
- Record birding sessions/checklists
- Save precise location coordinates
- Apply custom tags to sightings
- Detailed taxonomy options
- Fetch real-time weather information
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Document every detail of your birding journey. Feathers for iOS is a companion app to the Feathers web platform, designed for capturing bird sightings and sessions while in the field. Key features • Capture individual bird sightings on their own or as part of a birding session (i.e., a checklist). • Save precise location coordinates with each sighting to remember both your location and the bird’s — down to a specific tree or bush. • Track what matters to you by applying custom tags to sightings (e.g., “singing,” “adult”). • Refine your records with detailed taxonomy options, including subspecies, forms, and sp. • Fetch real-time weather information to preserve the conditions of each field session. Why choose Feathers? Feathers provides a beautiful, customizable home for a lifetime of bird sightings. Build a personal record of your observations and watch your relationship with each species evolve over time. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.feathersapp.io/legal/privacy
Screenshots
Verdict
The clearest difference is ads: Feathers at none against SeamStack's shown. Feathers also leads on monetization model (free vs ad-supported). SeamStack's advantage is update cadence (daily vs every 4 months) and ratings volume (35 vs 2). On price, rating, review sentiment and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for SeamStack against 5.0 for Feathers. That said, the two scores are not equally well evidenced: SeamStack has 35 ratings behind it against 2, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.
SeamStack ships an update daily, Feathers every 4 months. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.
| Parameter | SeamStack | Feathers |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (35 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 35 — better | 2 |
| Update frequency | Daily — better | Every 4 months |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 26.0 |
| Further details — not scored | ||
| Size | 43 MB | 76 MB |
| Age rating | 4+ | 12+ |
| Developer | Lowland Kids | Land Urchin LLC |
Customer experience
SeamStack
Feathers
Bugs and requests
SeamStack
Reported bugs
1 issue- None mentioned
Requested features
2 requests- Add fabric stash tracking
- Integrate with more pattern companies
Feathers
Not enough reviews yet to summarise bugs or requests.
In-app purchases
SeamStack
No in-app purchases
Feathers
No in-app purchases









