Synctrain vs Anvilrity
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Synctrain
Securely synchronize files and folders between devices running Syncthing. Stream audio and video directly from other devices. All changes, including deletions, are mirrored across your connected devices.
- Secure file synchronization
- Full folder or specific file syncing
- Audio and video streaming
- Cross-device changes mirrored
- Integrates with iOS Files app
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With Synctrain you can securely synchronize files with other devices that have Syncthing installed. You can choose to synchronize full folders, or choose specific files. With Synctrain you can also stream audio and video files from other devices. When you synchronize files, all changes, including deleting files, also happen on your other devices. Do not use Synctrain for back-up purposes, and always keep a back-up of your data. You decide with which devices you share which files. This also means the app makers cannot help you access or recover any lost files. This app is powered by Syncthing. This app is however not associated with or endorsed by Syncthing nor its developers. Please do not expect support from the Syncthing developers. Instead, contact the maker of this app if you have questions.
Anvilrity
This app helps blacksmiths and bladesmiths meticulously record project details, heat treatment processes, and material properties. It includes helpful calculators for forge welding, bevel geometry, and fuel costs, along with a comprehensive library of steels and tools. An integrated learning module offers lessons and a glossary for skill development.
- Project journal with stage checklists and progress photos
- Detailed heat treatment logging with cooling curve visualization
- Interactive forge calculators for geometry and fuel costs
- Library of blacksmithing steels and tool inventory
- Blacksmithing lessons, glossary, and craft tips
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Anvilrity is a workshop companion for blacksmiths, bladesmiths and ornamental smiths. It keeps the records that decide how a piece turns out: what steel you used, how many heats it took, what temperature you quenched at and what hardness you measured. PROJECT JOURNAL Create a card for every piece with type, steel, technique, target dimensions and deadline. Work through a stage checklist from drawing out to final finish. Record each forging session with the number of heats, resulting dimensions and how the steel behaved. Track how the piece changes shape from raw stock to finished blade, attach progress photos, and keep client briefs and cost estimates alongside the work. HEAT TREATMENT RECORDS Log normalizing cycles, austenitizing temperature, soak time, quench medium, tempering schedule and measured hardness for every blade. Each record is drawn as a cooling curve against the transformation nose so you can see what the schedule actually did. FORGE CALCULATORS An interactive heat colour chart that maps incandescent colour to temperature. Heat treatment schedules for common carbon, alloy, spring, tool and stainless steels. Tempering colour guide from pale straw to grey blue. Steel mass and stock removal calculators. Forge welding window with flux selection. Bevel geometry with live cross sections. Edge angle tables by purpose. Fuel consumption and cost. Quench medium comparison with crack risk. STEEL AND TOOLS A library of blacksmithing steels with composition, forging range, hardening schedule, hardness and what each grade is actually good for. Inventory for bar stock, hammers, tongs, anvils, forges and grinders, with condition tracking and maintenance history. Consumables with low stock alerts, handle material comparison and a supplier directory. BLACKSMITH ACADEMY Twelve lessons across three levels, from steels and heat colour through heat treatment, blade geometry and handles to damascus, ornamental work, axes and shop economics. Each lesson has theory, a procedural diagram, the mistakes that ruin the work, and a five question test. A glossary of more than 280 terms, a daily craft tip with a streak counter, and a competency radar that shows where the gaps are.
Screenshots
Verdict
The clearest difference is ratings volume: Synctrain at 142 against Anvilrity's 1. Synctrain also leads on device support (3 vs 1). Anvilrity's advantage is update cadence (fortnightly vs every 6 weeks). On price, rating, ads 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 — 4.9 for Synctrain against 5.0 for Anvilrity. That said, the two scores are not equally well evidenced: Synctrain has 142 ratings behind it against 1, so its average is the more settled of the two.
Synctrain ships an update every 6 weeks, Anvilrity fortnightly. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.
| Parameter | Synctrain | Anvilrity |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (142 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 89.5% of reviews | — |
| Number of ratings | 142 — better | 1 |
| Update frequency | Every 6 weeks | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, Mac — better | iPhone |
| Requires iOS | 17.0 | 16.0 — better |
| Further details — not scored | ||
| Size | 42 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | T-Shaped | Aidan Reid |
Bugs and requests
Synctrain
Reported bugs
2 issues- Occasional app crashes
- Sync delays on some devices
Requested features
2 requests- Direct photo/video sync to remote devices
- Faster initial connection to server
Anvilrity
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Synctrain
No in-app purchases
Anvilrity
No in-app purchases









