Comparison

C4 vs iVRy

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

Head to head
About

C4

Engage in explosive puzzle action where you control a bouncing fuse to trigger chain reactions of dynamite. Navigate through mind-bending levels with various block types and aim for the fastest completion times.

Highlights
  • Chain reaction explosions
  • Bouncing fuse gameplay
  • Mind-bending puzzles
  • Various block types
  • Score-based challenges
  • Game Center integration
Features
Read full description

Light the fuse in this fantastic breakout game, with mind-bending puzzles that unfold as you play. In C4 you're a fuse that is ready to set off chain reactions of dynamite explosions. The fuse will automatically bounce up and down while you control it by simply pushing left or right. Sound simple? It is! There are various types of blocks to clear, including reversals, speed-ups, slow-downs, and teleporters all which add up to brain-teasing puzzles like you've never seen. Compete to set the lowest times for each level, and challenge friends via Game Center to top your score!

About

iVRy

Transform your iPhone into a PC VR headset for SteamVR. Play PC VR titles without an expensive headset by connecting your iPhone via USB or Wi-Fi. Enjoy customizable quality and performance options for an immersive experience.

Highlights
  • SteamVR compatible VR headset
  • High-performance native driver
  • Wired (USB) and Wireless (Wi-Fi) connections
  • Automatic quality adjustment
  • User configurable quality and performance
  • QR code scanning for lens correction
  • Native SteamVR integration
Read full description

What is iVRy? • iVRy is a SteamVR-compatible Virtual Reality headset app for your iPhone or Vision Pro with a native high-performance driver for Valve's OpenVR / SteamVR. What does that mean? • Want to use that stunning iPhone display for something more than sending text messages? • Want to use that high resolution Vision Pro display for more than watching videos? • Want to play PC VR* (Virtual Reality) titles without having to buy a dedicated headset? • With iVRy, an iPhone 6 or later, and a compatible VR headset, or a Vision Pro headset you can! • Supports Wired (USB) connections (iPhone) or Wired (Ethernet) connections (Vision Pro) for greater visual quality and performance. • Supports Wireless (Wifi) connections for greater mobility. • Automatically adjusts quality to maintain optimal frame rates on all connection types. • User configurable quality and performance options. • User configurable vignette options (iPhone only). • Scan your VR headset's Cardboard QR code for optimal lens distortion correction and field-of-view (iPhone only). • Integrates natively into SteamVR, so no 'manager' / 'server' apps or additional configuration required. • Compatible with most HTC Vive and Oculus Rift** titles, including 'Robinson: The Journey', 'Adr1ft', 'Project CARS', 'Obduction', 'Elite Dangerous', 'EVE: Valkerie', 'Chronos', 'Assetto Corsa' and many more. • "Lite" edition has all of the features of "Premium" edition, but will start to reduce color saturation after being connected for more than 5 minutes. Upgrade to "Premium" edition via Steam DLC to remove this limitation. Download the iVRy OpenVR/SteamVR HMD Device Driver from: https://store.steampowered.com/app/992490/iVRy_Driver_for_SteamVR/ * Valve OpenVR/SteamVR. Requires Valve Steam & SteamVR on Windows 7 or later. ** Oculus Rift titles require Valve SteamVR, Oculus Home & 3rd party 'Revive' software from: https://github.com/LibreVR/Revive iPhone: • Requires VR headset, compatible with iPhone (eg. Google Cardboard). • XBox 360/One controller for Windows recommended. • Additional hardware/software required for positional tracking and motion controllers. Vision Pro: • Sony Playstation VR2 Sense or Sony Playstation DualSense controller(s) recommended. All: • Requires a PC running Windows 7 (or later) with a DirectX 11 (or later) graphics card with Valve Steam and SteamVR installed. • Requires installation of iVRy SteamVR HMD Device Driver software. All trademarks are used for informational purposes, and remain the property of their respective owners.

Screenshots

C44 screens
iVRy4 screens

Verdict

The call

The clearest difference is rating: C4 at 4.9 against iVRy's 3.9. C4 also leads on review sentiment (100% vs 72%). iVRy's advantage is in-app purchases (none vs 2) and update cadence (every 3 months vs every 136 months). On price, ads, monetization model and device support 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. C4 sells 2 one-off in-app purchases. iVRy asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

C4 holds the better App Store score, 4.9 against 3.9. That said, the two scores are not equally well evidenced: iVRy has 153 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 100% of C4's written reviews are positive against 72% of iVRy's.

UpkeepUpdate frequency

C4 ships an update every 136 months, iVRy every 3 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

Scorecard6 real differences · 4 level
C4 versus iVRy: the parameters behind the verdict, then further details
ParameterC4iVRy
PriceFreeFree
Rating4.9 (7 ratings) — better3.9 (153 ratings)
Positive reviews100.0% of reviews — better72.0% of reviews
Number of ratings7153 — better
Update frequencyEvery 136 monthsEvery 3 months — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, MaciPhone, iPad, iPod
Requires iOS26.012.0 — better
Further details — not scored
Size61 MB12 MB
Age rating4+4+
DeveloperFlexgames, LLCIan Dean

Customer experience

C4

All ratings7 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

iVRy

All ratings147 ratings
Positive73.5%
Neutral6.1%
Negative20.4%
Written reviews118 reviews
Positive72.0%
Neutral12.7%
Negative15.3%

Bugs and requests

C4

Not enough reviews yet to summarise bugs or requests.

iVRy

Reported bugs

14 issues
  • Screen turns black and white unexpectedly
  • App crashes after 5 minutes of use
  • Flashing lights and screen glitches
  • WiFi/USB connection switching automatically
  • Connection drops during gameplay
Show 9 more
  • Wired connection fails to establish
  • App freezes and becomes unresponsive
  • Head tracking skipping and lag
  • Double vision from IPD miscalibration
  • Restore purchases not working on older devices
  • Family Sharing compatibility issues
  • Driver installation failures
  • Steam VR integration conflicts
  • Performance degradation after extended sessions

Requested features

11 requests
  • Mac OS support
  • VR controller support
  • Full body tracking (FBT) integration
  • Higher resolution options
  • 120Hz support for compatible phones
Show 6 more
  • Improved wireless stability
  • Better IPD adjustment options
  • Automatic connection mode selection
  • Apple Vision Pro support
  • PSVR2 support expansion
  • Room-scale tracking capability

In-app purchases

2 purchases

C4

One-time2
  • Level Pack 1 (Levels 21-45)$1.99
  • Pro Purchase$2.99
None

iVRy

No in-app purchases

Questions

Is C4 free?
C4 is free to download, with in-app purchases available.
Is iVRy free?
iVRy is free to download, with no in-app purchases.
Which has better reviews, C4 or iVRy?
C4 is rated higher. C4 averages 4.9 out of 5 from 7 ratings, while iVRy averages 3.9 from 153 ratings.
Do C4 or iVRy have ads?
Neither C4 nor iVRy shows ads.
Which is updated more often, C4 or iVRy?
C4 ships an update every 136 months, and iVRy every 3 months. Most recently, C4 was updated on November 1, 2026 and iVRy on November 2, 2026.

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