Comparison

Subi vs Subly

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

Head to head
About

Subi

Automatically generate accurate subtitles for any video in any language. Customize styles and export your videos with professional captions to increase engagement and accessibility. Start for free and enhance your content.

Highlights
  • Automatic speech recognition
  • Subtitle translation
  • Customizable subtitle styles
  • One-tap text editing
  • Video export with subtitles
Features
Read full description

Subi - Automatic Subtitles for Any Video Make your videos clearer, more professional, and more accessible with Subi - the app that adds subtitles automatically in any language. Features: • Automatic speech recognition and subtitle generation • Translate subtitles into any language • Choose from ready-made styles: font, color, background, and shadow • One-tap text editing • Export videos with subtitles and share easily Why Subi: No unnecessary features. Just subtitles - fast, accurate, and beautiful. Perfect for creators, teachers, marketers, and anyone who wants to keep viewers engaged. Start for free and see for yourself! Subscription Information: Subi offers flexible premium plans for full access: - Pro Weekly - Unlock all premium features. Billed weekly. - Pro Annual - Get a discount by paying yearly. Billed annually. Payment & Auto-Renewal Terms - Payment is charged to your Apple ID account at purchase confirmation. - Subscriptions renew automatically unless canceled at least 24 hours before the renewal date. - Manage or cancel anytime in Settings → Apple ID → Subscriptions. - If you subscribe before a free trial ends, the remaining trial period is forfeited. Privacy Policy: https://docs.google.com/document/d/1M7c8okfOBb2vvUfqiNuubmexkgMNoGdZUJNsKL9tDQQ/ Terms of Use: https://docs.google.com/document/d/1M7c8okfOBb2vvUfqiNuubmexkgMNoGdZUJNsKL9tDQQ/ Terms of Use (EULA): Apple’s Standard EULA https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Subly

Easily add animated, word-by-word captions and AI-generated narration to your videos. This app processes everything on your device, ensuring privacy and offline functionality. Edit clips, add music, and export in professional formats without recurring fees.

Highlights
  • Word-by-word animated captions
  • On-device AI narration
  • Full video editing suite
  • Offline functionality
  • One-time purchase
  • SRT/VTT export
  • Vertical reframing
Features
Read full description

Caption, edit, and narrate short videos — all on your iPhone, all private. Try it free, then pay once and keep it forever. No subscription. No credits that "run out." No account. Your video never leaves your device, so it even works in airplane mode. • WORD-BY-WORD CAPTIONS — animated, karaoke-style highlight with a live preview. • PAY ONCE — one purchase removes the watermark and unlocks unlimited, full-quality export. No monthly fees, no token meter. • ON-DEVICE & PRIVATE — no servers, no uploads, no account. Cloud editors send your footage away and take broad rights to it; Subly never does. • FULL EDITOR — combine clips, split, trim, and reorder on a scrub timeline with frame-accurate preview. • TRANSITIONS — dissolve, fade to black, slide, and zoom between clips. • B-ROLL & MUSIC — drop video overlays and a music bed with auto-ducking and per-clip volume. • AI NARRATOR — type a script, pick a voice, get a natural voiceover generated entirely on your iPhone. Offline, unlimited, no per-character fees. • CAPTIONS FROM YOUR SCRIPT — one script becomes both the narrator audio and word-synced captions. • ENGLISH-FIRST, 90+ LANGUAGES — on-device Whisper transcription. • PRO FORMATS — export SRT and VTT subtitle files. • VERTICAL REFRAME — turn landscape clips into 9:16. Built for Reels, Shorts, and TikTok creators who are done renting their tools.

Screenshots

Subi4 screens
Subly4 screens

Verdict

The call

The clearest difference is rating: Subly at 5.0 against Subi's 4.2. Subly also leads on review sentiment (100% vs 60%) and update cadence (every 5 days vs every 3 weeks). Subi's advantage is ratings volume (16 vs 2). On price, ads, in-app purchases and monetization model 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. Subi sells 3 in-app purchases, starting at $5.99 per 7 days and Subly sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Subly holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: Subi has 16 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 60% of Subi's written reviews are positive against 100% of Subly's.

UpkeepUpdate frequency

Subi ships an update every 3 weeks, Subly every 5 days. The most recent releases landed on September 23, 2026 and September 19, 2026 respectively.

Scorecard4 real differences · 6 level
Subi versus Subly: the parameters behind the verdict, then further details
ParameterSubiSubly
PriceFreeFree
Rating4.2 (16 ratings)5.0 (2 ratings) — better
Positive reviews60.0% of reviews100.0% of reviews — better
Number of ratings16 — better2
Update frequencyEvery 3 weeksEvery 5 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhoneiPhone
Requires iOS17.617.0 — better
Further details — not scored
Size13 MB95 MB
Age rating4+4+
DeveloperStanislav PonamorenkoNikolai Tsyrenov

Customer experience

Subi

All ratings16 ratings
Positive81.3%
Neutral0.0%
Negative18.8%
Written reviews5 reviews
Positive60.0%
Neutral0.0%
Negative40.0%

Subly

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

Subi

Subscriptions3
  • Weekly3 Days trial$5.997 Days
  • Pro Annual Discount$14.991 Year
  • Annual$29.991 Year
1 purchases

Subly

One-time1
  • Subly Pro$4.99

Questions

Is Subi free?
Subi is free to download, with in-app purchases available.
Is Subly free?
Subly is free to download, with in-app purchases available.
Which has better reviews, Subi or Subly?
Subly is rated higher. Subi averages 4.2 out of 5 from 16 ratings, while Subly averages 5.0 from 2 ratings.
Do Subi or Subly have ads?
Neither Subi nor Subly shows ads.
Which is updated more often, Subi or Subly?
Subi ships an update every 3 weeks, and Subly every 5 days. Most recently, Subi was updated on September 23, 2026 and Subly on September 19, 2026.

Other comparisons