SourceCanvas vs Klocky
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
SourceCanvas
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SourceCanvas is a local editor for SVG, Mermaid, Graphviz DOT, and PlantUML diagrams on iPhone, iPad, Mac, and Apple Vision Pro. Start free β’ Create, edit, and preview SVG diagrams. β’ Open, edit, and save source files in all four formats. Your documents remain accessible without a purchase. β’ Try each non-SVG renderer once for 10 continuous minutes per device. Its timer starts after the first successful render. Lifetime Pro β’ Unlock explicit SVG, PNG 1Γ/2Γ/3Γ, and vector PDF exports. β’ Use nonblank templates and full Mermaid, Graphviz, and PlantUML previews after each trial. β’ On Mac, use the MCP Agent and native AI Preview with compatible local AI hosts. Lifetime Pro is a one-time in-app purchase, not a subscription. Customers who obtained the paid app before the free transition automatically keep equivalent Legacy Pro access. Purchase directly on iPhone, iPad, Mac, or Apple Vision Pro. Restore on another device with the same Apple Account. Rendering runs locally. No account or remote rendering service is required. External SVG resources are blocked unless you choose to allow them.
Klocky
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Klocky is an alarm clock that does not stop with a simple tap. To silence it, complete a mission you chooseβdesigned to get your mind, body, or voice fully awake. Wake up with intention Choose a positive affirmation or a Bible verse and read it aloud. Make Scripture, reflection, or a meaningful morning practice part of the routine that gets you out of bed. Prefer a different kind of challenge? Klocky includes more than ten ways to prove you are awake. Choose from 10+ wake-up missions: β’ Read a positive affirmation aloud β’ Read a selected Bible verse aloud β’ Match six pairs in a color memory game β’ Solve math problems β’ Complete squats, push-ups, or jumping jacks β’ Walk a set number of steps β’ Find a household object with the camera β’ Photograph the open sky or real grass Build an alarm around your morning Set the time, repeat days, alarm sound, and mission target. Your recent wake-ups and streak help you see the mornings you have won. Wake up to your music Choose an available song preview from Apple Music through your library, playlists, or catalogue search. Listen before selecting it, then save the preview on your iPhone for offline alarms. Designed with privacy in mind Camera-based missions are validated locally on your iPhone, and mission photos are never stored. Microphone, speech recognition, motion, and camera access are requested only when a mission needs them. Whether you want a stronger wake-up challenge, a positive affirmation, a Bible-based morning routine, or a reason to move before touching snooze, Klocky helps you start the day awake and on purpose.
Screenshots
Verdict
The clearest difference is update cadence: SourceCanvas at every 3 weeks against Klocky's every 2 months. SourceCanvas also leads on device support (4 vs 1) and iOS requirement (18.6 vs 26.0). On price, ads and in-app purchases there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
SourceCanvas ships an update every 3 weeks, Klocky every 2 months. The most recent releases landed on October 31, 2026 and October 29, 2026 respectively.
| Parameter | SourceCanvas | Klocky |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks β better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, Mac, Vision Pro β better | iPhone |
| Requires iOS | 18.6 β better | 26.0 |
| Further details β not scored | ||
| Size | 22 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | ι³ε»Ί δ½ | Gabriel Langon Maomy |
In-app purchases
SourceCanvas
No in-app purchases
Klocky
No in-app purchases









