Comparison

Yaba Sanshiro 2 vs Prometheus Browser

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

Head to head
About

Yaba Sanshiro 2

Experience your Sega Saturn game collection on iOS devices with enhanced graphics and features. Enjoy fast, lightweight emulation, massive save storage, and cloud backup for seamless gameplay across devices. Offers save states and game controller support for a complete retro gaming experience.

Highlights
  • High-resolution graphics
  • Fast and lightweight emulation
  • Massive backup storage
  • Cloud backup and save transfer
  • Save states
  • Game controller support
Features
Read full description

Take your Saturn game collection anywhere with Yaba Sanshiro 2. Enjoy your favorite Saturn games on iPhone and iPad with high-resolution graphics, fast and lightweight emulation, massive backup storage, and cloud save support. Play with enhanced visuals, keep more save data, protect your progress in the cloud, and transfer your saves to your other devices. KEY FEATURES • High-Resolution Graphics Enjoy sharper 3D graphics rendered at resolutions higher than the original Saturn hardware, powered by Apple's Metal API. • Fast and Lightweight Optimized for smooth and responsive gameplay on iPhone and iPad. • Massive Backup Storage The original Saturn had only 32 KB of internal backup RAM. Yaba Sanshiro 2 lets you keep far more save data without constantly deleting old saves. • Cloud Backup Back up your important game saves to your private cloud storage and protect your progress. • Save Data Transfer Back up, restore, and transfer your save data so you can continue playing on your other devices. • Save States Save your progress at any moment and continue later from exactly where you left off. • Game Controller Support Play with compatible Bluetooth and USB game controllers for a more authentic console experience. FREE TO START — UPGRADE YOUR WAY Download Yaba Sanshiro 2 for free and get started with your own Saturn games. For full access to Pro features, choose the option that works best for you: • Annual Pro Unlock Pro features with an auto-renewable yearly subscription. • Lifetime Pro Unlock Pro features permanently with a one-time purchase. Pay once and keep Pro forever. Users who purchased Yaba Sanshiro 2 before it became a free app will continue to receive Pro access without an additional subscription or purchase. GETTING STARTED Yaba Sanshiro 2 does not include Saturn BIOS files or game data. You must use game files created from game discs that you legally own. 1. Create a supported game image from your Saturn game disc. 2. Copy the game file to your iPhone or iPad. 3. Start Yaba Sanshiro 2. 4. Tap the “Add” button and select your game file. 5. Tap the game icon to start playing. For detailed setup instructions, visit: https://www.yabasanshiro.com/howto#ios COMPATIBILITY The Saturn is a complex system, and some games may not yet work perfectly. Check the current game compatibility list here: https://www.yabasanshiro.com/games You can also send compatibility information and issue reports directly to the developer by selecting “Report” from the in-game menu. OPEN-SOURCE SOFTWARE Yaba Sanshiro 2 is based on the Yabause open-source project and is provided under the GPL license. Source code is available here: https://www.yabasanshiro.com/download LEGAL NOTICE Yaba Sanshiro 2 is not affiliated with or endorsed by SEGA Corporation. “Sega Saturn” is a registered trademark of SEGA Corporation. Terms of Use: https://www.yabasanshiro.com/terms-of-use Privacy Policy: https://www.yabasanshiro.com/privacy

About

Prometheus Browser

This web browser offers an uninterrupted browsing experience with built-in ad blocking. Enjoy background audio and Picture-in-Picture playback for videos, along with convenient playback controls and navigation shortcuts.

Highlights
  • Built-in ad and content filtering
  • Background audio playback
  • Picture-in-Picture (PiP) video
  • Playback speed and quality controls
  • Accessible navigation shortcuts
Features
Read full description

Prometheus is a web browser with built-in ad blocking, helping you watch videos and browse the web with fewer interruptions. FEATURES * Built-in ad and content filtering * Background audio and Picture in Picture playback * Mini-player and full-screen viewing * One-tap playback speed and video quality controls * Convenient, accessible navigation shortcuts Prometheus is independently developed and does not host video content. Content is loaded directly from the websites you visit. Unlock the full version with a single, one-time purchase. No subscription required. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Yaba Sanshiro 24 screens
Prometheus Browser4 screens

Verdict

The call

The clearest difference is rating: Prometheus Browser at 5.0 against Yaba Sanshiro 2's 4.4. Prometheus Browser also leads on review sentiment (100% vs 61%). Yaba Sanshiro 2's advantage is ratings volume (29 vs 4) and iOS requirement (16.0 vs 18). On price, update cadence, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Yaba Sanshiro 2 sells 2 in-app purchases, starting at $1.99 per year and Prometheus Browser 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

Prometheus Browser holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Yaba Sanshiro 2 has 29 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 61% of Yaba Sanshiro 2's written reviews are positive against 100% of Prometheus Browser's.

UpkeepUpdate frequency

Yaba Sanshiro 2 ships an update fortnightly, Prometheus Browser every 8 days. The most recent releases landed on November 13, 2026 and November 10, 2026 respectively.

Scorecard4 real differences · 6 level
Yaba Sanshiro 2 versus Prometheus Browser: the parameters behind the verdict, then further details
ParameterYaba Sanshiro 2Prometheus Browser
PriceFreeFree
Rating4.4 (29 ratings)5.0 (4 ratings) — better
Positive reviews61.1% of reviews100.0% of reviews — better
Number of ratings29 — better4
Update frequencyFortnightlyEvery 8 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 — better18
Further details — not scored
Size60 MB37 MB
Age rating4+17+
DeveloperdevMiyaxKeval Korat

Customer experience

Yaba Sanshiro 2

All ratings29 ratings
Positive89.7%
Neutral3.4%
Negative6.9%
Written reviews36 reviews
Positive61.1%
Neutral36.1%
Negative2.8%

Prometheus Browser

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

In-app purchases

2 purchases

Yaba Sanshiro 2

Subscriptions1
  • Pro Annual$1.991 Year
One-time1
  • Lifetime Pro$4.99
1 purchases

Prometheus Browser

One-time1
  • Full Version$9.99

Questions

Is Yaba Sanshiro 2 free?
Yaba Sanshiro 2 is free to download, with in-app purchases available.
Is Prometheus Browser free?
Prometheus Browser is free to download, with in-app purchases available.
Which has better reviews, Yaba Sanshiro 2 or Prometheus Browser?
Prometheus Browser is rated higher. Yaba Sanshiro 2 averages 4.4 out of 5 from 29 ratings, while Prometheus Browser averages 5.0 from 4 ratings.
Do Yaba Sanshiro 2 or Prometheus Browser have ads?
Neither Yaba Sanshiro 2 nor Prometheus Browser shows ads.
Which is updated more often, Yaba Sanshiro 2 or Prometheus Browser?
Yaba Sanshiro 2 ships an update fortnightly, and Prometheus Browser every 8 days. Most recently, Yaba Sanshiro 2 was updated on November 13, 2026 and Prometheus Browser on November 10, 2026.

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