Comparison

CacheCat vs M3U8 Spark

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

Head to head
About

CacheCat

Capture online videos with a Safari extension and watch them offline. Generate on-device subtitles, translate foreign content, and convert media formats. Manage your cached videos with a sleek interface.

Highlights
  • Safari extension for one-tap video capture
  • On-device subtitle generation with AI
  • Bilingual subtitle display and AI translation
  • m3u8, mp4, mov, mkv, flv, avi caching
  • Convert m3u8 to mp4
  • Picture in Picture and AirPlay support
  • Smart media management and search
Features
Read full description

CacheCat — Capture Effortlessly, Cache Elegantly Like a cat catching fish, managing your media resources has never been easier. CacheCat is a media caching tool crafted for iPhone and iPad. With its Safari extension, you can capture online videos in one tap and watch them offline anytime, anywhere. Simple yet powerful, intuitive yet feature-rich. 【New Feature · Subtitles】 Generate subtitles on-device, no internet required. - Offline Subtitle Generation Built-in AI speech recognition generates subtitles with a long press on any cached video. Ready to use out of the box — no additional downloads needed. - Bilingual Subtitle Display Overlay both the original text and translation during playback, making foreign-language content easy to follow. - AI-Powered Translation Connect to leading AI models and choose from 6 customizable translation styles — including Standard, Humorous, and Cinematic. - On-Device System Translation iOS 18+ devices can use Apple's built-in translation engine. No setup required, fully offline, and completely private. - SRT Subtitle Export Export generated subtitles as standard SRT files for easy sharing and reuse. 【Core Features】 - Safari Extension - Seamless integration with Safari - Automatically detects media resources on any webpage - One-tap caching for a fast, efficient experience - Fully native browser interaction - High-Speed Caching - Multi-threaded downloads for fast, reliable performance - Supports direct-link caching for m3u8, mp4, mov, mkv, flv, avi, and more - Smart parsing, one-tap caching — simple and efficient - Format Conversion Convert m3u8 to mp4 for easier playback and sharing. - Playback Enhancements - Built-in Picture in Picture and AirPlay support - A smoother, more flexible viewing experience - Media Management Smart categorization and fast search to find what you need instantly. - Elegant Interface Thoughtfully designed visuals with full Dark Mode support. 【How to Enable the Safari Extension】 - Open Settings - Go to Settings > Safari > Extensions - Find CacheCat - Toggle it on 【Membership】 - Unlock all premium features with a CacheCat membership - Enjoy free future updates with no ads, ever - Auto-renews via your iTunes account — cancel anytime - Renewal charge applies 24 hours before the current period ends - To cancel, disable auto-renewal in Apple ID settings at least 24 hours before expiry 【Privacy】 - Your privacy is our priority - We do not collect or store any personal or sensitive information - All data is stored locally on your device Privacy Policy: https://boyhood.notion.site/Privacy-Policy-12fb095b905380c3a59af71d45f14298 Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula

About

M3U8 Spark

Easily download videos from websites and convert them to MP4 format. This tool offers seamless integration with Safari extensions and provides offline library management for your media files.

Highlights
  • Safari Extension Integration
  • Download videos from websites
  • Convert to MP4 format
  • Offline library management
  • Cross-device playback compatibility
Features
Currently charting
Read full description

A powerful management tool designed for your media files. You can use it to download videos from websites and convert them to MP4. Key Features: - Download videos from websites - Supports background downloads (merging video segments still requires the app to remain in the foreground) - Supports online playback - Efficient Conversion: Quickly export to standard MP4 format, ensuring your files play on any device or player. - Offline Library Management: Organize and access your personal media library anytime, anywhere, even without an internet connection.

Screenshots

CacheCat4 screens
M3U8 Spark2 screens

Verdict

The call

The clearest difference is review sentiment: M3U8 Spark at 84% against CacheCat's 0%. M3U8 Spark also leads on in-app purchases (none vs 6) and update cadence (every 3 days vs monthly). CacheCat's advantage is price (Free vs $0.99). On ads, device support and iOS requirement 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

CacheCat is free to download; M3U8 Spark costs $0.99 up front. CacheCat sells 6 in-app purchases, starting at $1.99 per month. M3U8 Spark asks for nothing beyond the download.

UpkeepUpdate frequency

CacheCat ships an update monthly, M3U8 Spark every 3 days. The most recent releases landed on October 3, 2026 and October 20, 2026 respectively.

Scorecard6 real differences · 5 level
CacheCat versus M3U8 Spark: the parameters behind the verdict, then further details
ParameterCacheCatM3U8 Spark
PriceFree — better$0.99
Rating—5.0 (6 ratings) — better
Positive reviews0.0% of reviews83.9% of reviews — better
Number of ratings—6 — better
Update frequencyMonthlyEvery 3 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemiumFree — better
Best chart rank—#162 — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.015.0 — better
Further details — not scored
Size189 MB25 MB
Age rating17+4+
Developer振 劳一文 陈

Customer experience

CacheCat

Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

M3U8 Spark

All ratings6 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews31 reviews
Positive83.9%
Neutral6.5%
Negative9.7%

In-app purchases

6 purchases

CacheCat

Subscriptions2
  • Monthly Pro7 Days trial$1.991 Month
  • Yearly Pro$4.991 Year
One-time4
  • 包月$1.99
  • 包年$4.99
  • Lifetime Pro$12.99
Show 1 more
  • Lifetime Pro$24.99
None

M3U8 Spark

No in-app purchases

Questions

Is CacheCat free?
CacheCat is free to download, with in-app purchases available.
Is M3U8 Spark free?
M3U8 Spark costs $0.99, with no in-app purchases.
Do CacheCat or M3U8 Spark have ads?
Neither CacheCat nor M3U8 Spark shows ads.
Which is updated more often, CacheCat or M3U8 Spark?
CacheCat ships an update monthly, and M3U8 Spark every 3 days. Most recently, CacheCat was updated on October 3, 2026 and M3U8 Spark on October 20, 2026.

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