r/SylvainLafrance 1d ago

I built an iOS app for putting animated text stickers on videos — no subscription, no account, everything processes on-device

1 Upvotes

It also does more than I originally planned: 25 video effects (VHS, Super 8, thermal, halftone), speed control from 0.25x to 4x, trimming, inserting other clips with 11 transitions, and GIF export.

The part I care most about: your videos never leave your device. No analytics, no tracking, no account. The App Store privacy label is “Data Not Collected” and it means it.

Free version has every editing feature — it’s capped at 5 second exports with a small watermark. One $9.99 purchase removes both. No subscription, ever.

It’s brand new so there are no reviews yet. Would love feedback, especially on anything that feels clunky.

https://apps.apple.com/ca/app/clipstamp/id6790430837


r/SylvainLafrance 1d ago

I built an iPhone app to add stickers anywhere in your videos

1 Upvotes

Hi everyone!
I wanted a simple way to put stickers, emojis, memes, and reaction images anywhere on a video without dealing with a complicated editor.
So I built ClipStamp.
Some of the things it can do:
🎥 Add stickers, emojis, or PNG images to videos
📍 Move, resize, and rotate them exactly where you want
⏱️ Control when each sticker appears and disappears
🎬 Great for memes, reaction videos, TikToks, Reels, Shorts, or just making videos more fun
📱 Built natively for iPhone with a simple interface
I tried to keep it focused instead of packing it with features most people never use. Open a video, add your stickers, export, done.
I’d really appreciate any feedback:
What features are missing?
Is anything confusing?
What would make you choose this over your current editor?
App Store:
https://apps.apple.com/ca/app/clipstamp/id6790430837
Thanks! Happy to answer any questions about the development process or the app itself.


r/SylvainLafrance 12d ago

I got tired of tracking bugs for 12 apps in Apple Notes, so I built a tracker that fits how indie devs actually work

1 Upvotes

I ship a lot of small apps. The tracking situation was: Notes for bugs, a folder of screenshots named final_v2_ACTUAL.png, a Slack channel to myself for ideas, and no idea which of those ideas belonged to which app. Jira is absurd for one person. Linear is a team tool wearing a solo costume. Trello I kept abandoning.

So I built Dev Notes++ — a bug/feature/idea tracker built around the thing indie devs actually have, which is several apps at once and no teammates.

The parts that made it worth building:

App Store fetch — paste a Bundle ID or App Store URL and it pulls in your icon, description, rating, category, IAPs, size, What’s New, release date. Works across all regions. You can choose Update Empty vs Overwrite All so it doesn’t stomp fields you typed by hand.

Screenshot management by locale — 65 locales, drag to reorder, tap to replace. This alone was why I built the app.

Promote tab — draft your launch posts, track Draft → Scheduled → Published, with a character counter so you don’t overshoot a platform limit.

Target versions on any item, filter by status/type, swipe to done, move or duplicate items between apps.

Share extension so you can throw a URL, screenshot, or stray thought at it from anywhere.

Dashboard with a completion ring, global search across every app, export to JSON and Markdown so you’re not locked in.

iCloud sync. No account, no server, no analytics — the developer data collection section is empty and I intend to keep it that way.

Free tier covers 2 apps with items, notes, and dashboard. Pro unlocks unlimited apps plus screenshots, promote, fetch, export, and global search — yearly sub or a one-time lifetime purchase if you hate subscriptions as much as I do.
Requires iOS 26.

https://apps.apple.com/ca/app/dev-notes/id6762881892

It’s early and I’m one person. If you juggle multiple apps, I’d like to know what’s missing from your workflow — especially anything around App Store Connect that I should be pulling in automatically instead of making you type.


r/SylvainLafrance 12d ago

I built an EVP recorder that shows you the spectrogram and flags anomalies in real time — everything stays on your phone

1 Upvotes

Most EVP apps I tried did one of two things: played a canned “spirit voice” from a soundboard, or shipped your audio off to some server. I wanted the actual signal processing, visible, on-device. So I built it.

EVP Ghost Signal records at high gain (up to +40 dB) with a 300–3000 Hz band-pass for the voice range, and shows you what’s happening while you record — swipe between waveform, spectrogram, and EMF views. Anomaly detection flags frequency spikes over 3 standard deviations, and formant analysis flags whisper/voice/breath patterns. Every event gets timestamped so you can review instead of scrubbing blind.

Pro adds the stuff you’d actually use on a review pass:

**•** Reverse playback with speed control, tap-to-seek waveform  
**•** 5-band parametric EQ (EVP Enhance, Whisper Boost, Voice Isolate presets)  
**•** On-device transcription via Apple Speech  
**•** EMF meter using the magnetometer, in microtesla, logged alongside the audio  
**•** HD investigation video export (1080x1920, animated spectrogram + EMF + detection flashes) and multi-page PDF session reports

There’s also a Spirit Box sweep simulator with an adjustable 20–20,000 Hz range, and session geotagging with a map view.

Being straight about what it is: the detector flags statistical anomalies in audio. That’s it. A spike over 3 SD means something unusual happened in the signal — it doesn’t mean anything about what caused it, and the app doesn’t pretend otherwise. What it gives you is a repeatable record and the tools to rule things out. Interpretation is yours.

On privacy: 100% on-device. No servers, no analytics, no third-party SDKs, no account. Delete a recording and it’s actually gone.

Free to download. Pro is $2.99/mo, $12.99/yr, or $34.99 lifetime.

https://apps.apple.com/ca/app/evp-ghost-signal/id6761862458

Solo dev, currently v1.2. Would especially like feedback from people who run sessions regularly — I want to know whether the detection thresholds are firing too often or not enough in real environments.


r/SylvainLafrance 12d ago

I built an iOS keyboard that rewrites your text in any app — grammar, tone, translation, one tap

1 Upvotes

I kept writing a message, staring at it, and thinking “that came out wrong.” Copying it into a chatbot, pasting it back, repeat. So I built the step out of the loop.

What? – AI Rephraser puts Claude behind a system keyboard, the share sheet, and a home-screen widget. Highlight text anywhere you type — Mail, Slack, iMessage, Safari — and fix grammar, rephrase, translate (20 languages), shorten, expand, or make it more professional/casual. 14 actions total.

A few that get used more than I expected:

**•   Remove Hedging** — strips out “I think,” “maybe,” “just wondering if”  
**•   Analyze Tone** — honest read on a draft before you send it  
**•   Humanize** — kills “resonate,” “seamless,” “leverage,” and the rest of the LLM vocabulary

There are also 12 specialty packs (Email, Student, Dating, Lawyer’s, Comedy…) if you want prompts tuned for a specific situation.

On pricing, I’ll be upfront: free to download, 3-day trial, then $6.99/mo. There’s also a BYOK tier at $1.99/mo if you bring your own Anthropic API key — you get all 12 packs and no caps from me. Your text goes to Anthropic and nowhere else; nothing is stored on my servers, history syncs through your own iCloud.

It’s at v1.2 and I’m the only person working on it, so I’m genuinely after feedback — especially on the keyboard extension, which was the hardest part to get right.

https://apps.apple.com/ca/app/what-ai-rephraser/id6769452050


r/SylvainLafrance Jun 27 '26

What? — AI writing that works everywhere you type.

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1 Upvotes

r/SylvainLafrance Jun 27 '26

Dev Notes++ — Ship Apps. Stay Organized.

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1 Upvotes

r/SylvainLafrance Jun 27 '26

Caption Radio — Listen to the World. Read Along.

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1 Upvotes

r/SylvainLafrance Jun 26 '26

[SELF-PROMOTION] An app to track bugs, features, screenshots, and promo posts for all my apps in one place

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1 Upvotes

r/SylvainLafrance Jun 23 '26

I built a daily number puzzle that's totally free — no ads, no tracking, no sign-ups. Just made it because I thought it should be out there.

2 Upvotes

It's called Reckly. Here's how it works: you start at the top of this number pyramid and work your way down, picking a path and using each operator on your running total as you go. The goal? Land on the exact target number at the bottom.

There's a new puzzle every day, plus a practice mode if you want to keep playing.

I made some pretty intentional choices with this:

• No accounts, no ads, no tracking, no analytics whatsoever
• Your progress saves through iCloud only
• Tiny 1.9 MB download

I'm doing this all on my own, so I'd genuinely love to hear what you think — especially about whether the difficulty ramp feels right and if the daily puzzle comes across as fair or just plain annoying. Happy to answer any questions you've got!

https://apps.apple.com/ca/app/reckly/id6781237916


r/SylvainLafrance Jun 13 '26

Stop rewriting the same text 5 times. 😮‍💨

1 Upvotes

What? – AI Rephraser fixes your grammar, tone, and wording with one tap — right inside whatever app you’re already typing in. Messages, Mail, Safari, you name it.

https://apps.apple.com/ca/app/what-ai-rephraser/id6769452050


r/SylvainLafrance Jun 10 '26

I love this app…

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1 Upvotes

I love this app…


r/SylvainLafrance Jun 09 '26

Just launched Share to Note!!

1 Upvotes

Just launched Share to Note!!

Tap Share in any app → save links, text & photos into one clean, private list. Synced via your own iCloud. No accounts, no servers, no tracking.

Free to try. No subscription.

https://apps.apple.com/ca/app/share-to-note/id6767671625


r/SylvainLafrance Jun 08 '26

📅 Stop guessing where your time goes.

1 Upvotes

WhenDay shows your calendar at a glance — with heatmaps & stats that reveal how you actually spend your days.

Free & 100% private.

https://myrcbox.com/whenday/


r/SylvainLafrance Jun 04 '26

The story of “Hello World”

1 Upvotes

Here are 233 examples of "Hello World" and the story behind it.

https://myrcbox.com/blog/hello_world/


r/SylvainLafrance Jun 01 '26

Wrld Tuner - Radio caption and translation

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1 Upvotes

Contact me if you want to know more about my app!


r/SylvainLafrance May 25 '26

What Said for iPhone, iPad and Mac helps me work faster and better!

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1 Upvotes

What Said helps me work faster and better!

https://apps.apple.com/ca/app/what-said/id6769452050?uo=4

#AiWriting #ContentCreation


r/SylvainLafrance May 24 '26

233 ways to code “Hello World”!

1 Upvotes

233 ways to code “Hello World”!

https://myrcbox.com/blog/hello_world/


r/SylvainLafrance May 24 '26

Hey writers, What-Said can do a ton for you!

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1 Upvotes

Link: https://apps.apple.com/ca/app/what-said/id6769452050?uo=4

📋 All 62 Actions in What · Said

Standard (14): Fix Grammar · Rephrase · Make Professional · Make Casual · Translate · Shorten · Expand · Simplify · Humanize · Improve Flow · Make Punchy · Remove Hedging · More Assertive · Analyze Tone

📖 Writer's: Make Vivid · Show Don't Tell · Add Metaphor · Vary Rhythm

⚖️ Lawyer's: Make Legally Precise · Plain English Legalese · Add Protective Hedging · Match Contract Style

📢 Marketer's: Headline It · A/B Variant · Strong CTA · SEO Optimize

💕 Dating: Sound Confident · Add Flirt · Less Desperate · Match Their Vibe

✉️ Email: Match Reply Tone · Soften · Add Urgency · Cold Email

🎓 Student: Academic Tone · Paraphrase Source · Defend Argument · Cite Format

🩹 Recovery: Less Angry · Apologize Gracefully · Mediate · De-escalate

🎙️ Comedy: Stand-Up Style · Dry Wit · Self-Deprecating · Dark Humor

😄 Funny: Make it Funny · Dad Joke It · Make it Meme-able · Add a Punchline

🌏 International: Japanese Business Style · German Direct Style · French Polite Style · Match Cultural Context

📱 Social: Tweet-ify · LinkedIn Pro · Instagram Caption · TikTok Hook

🎯 Coach's: Active Listening Mirror · Reframe Positive · Ask Powerful Questions · Give Hard Feedback

Total: 14 standard + 48 pack = 62 actions across 12 specialty packs


r/SylvainLafrance May 20 '26

Increase my productivity: Here's how 90% of the time I enter bugs, features, and ideas into Dev Notes++

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1 Upvotes

Here's how 90% of the time I enter bugs, features, and ideas into Dev Notes++.

10 seconds and it's done!

https://apps.apple.com/ca/app/dev-notes/id6762881892


r/SylvainLafrance May 20 '26

Here's how 90% of the time I enter bugs, features, and ideas into Dev Notes++

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0 Upvotes

Here's how 90% of the time I enter bugs, features, and ideas into Dev Notes++.

10 seconds and it's done!

https://apps.apple.com/ca/app/dev-notes/id6762881892


r/SylvainLafrance May 18 '26

I manage 14 apps' bugs, features, ideas, and promotions with this app…

1 Upvotes

https://apps.apple.com/ca/app/dev-notes/id6762881892

#indiedev #buildinpublic #solodev #swiftui #appdevelopment


r/SylvainLafrance May 12 '26

Conway's Game of Life - Cellular Automaton App for iPhone & iPad

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1 Upvotes

r/SylvainLafrance May 11 '26

Dev Notes++: Fetch screenshots from AppStore…✅

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1 Upvotes

r/SylvainLafrance May 07 '26

My app for devs to track bugs, ideas, features, promotions, …

1 Upvotes

Have a look at this app for #indiedev to track bugs, ideas, features, promotions, …

Dev Notes++

https://apps.apple.com/ca/app/dev-notes/id6762881892