Comparison

Flash Charge vs Chronovolt

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

Head to head
About

Flash Charge

Features
Read full description

Flash Charge is a visual illusion app for magicians and comedy performances. Five effects: Charge, Reverse Charge, Overcharge, iPhone ↔ Watch and Charge to Number. Customize the simulated Lock Screen, animations, timing and sound. The optional Apple Watch companion can trigger effects or take part in a synchronized charging illusion. FIVE EFFECTS FOR YOUR SHOW • Charge — make the displayed battery percentage rise, with an automatic or manually chosen range. • Reverse Charge — the screen says Charging while the percentage falls. Finish on the simulated Lock Screen, or choose a black finale at 0%. • Overcharge — go beyond 100%, up to 300%. Add a pause at 100%, heat, a temperature warning, screen glitches and sound. • iPhone ↔ Watch — a synchronized charging illusion in either direction, with optional Energy Flow. The Watch can also trigger iPhone effects; keep both apps open. • Charge to Number — stop at a chosen number for a prediction or a playing-card position. Set it beforehand or use discreet input. Practice with Demo mode. This is a controlled visual illusion. The app does not charge the battery or speed up real charging. Styles include Original iPhone, Original MagSafe, Custom MagSafe, Stage Battery, Energy Core and Liquid Charge. Stay in control, discreetly Trigger the effect with a secret touch or by connecting a charging cable. In Pad / Lift mode, simply lift the phone after charging finishes to return to the simulated Lock Screen. Cable-triggered Power mode is unavailable on iPhones with Dynamic Island. Use Touch or Pad / Lift on these devices. Build your own routine Choose the pace, duration, delays and sound. Use an automatic range linked to the real battery level, or set the starting and final percentages manually. Add a simulated boot sequence: begin with a black screen, show the phone appearing to turn on, then start the charging effect. Make the screen your own Customize the wallpaper, clock, date, lock, carrier and connection indicators. The clock offers White, Gray, Black and Glass appearances, with adjustable height, width and weight. The redesigned Appearance editor lets you select Clock, Date, Lock, Status or Wallpaper directly in the preview. Drag, resize, center or reset individual elements, use Undo and Redo, and check the result in full screen. Prepare for your performance The preparation card brings your current settings together. The How to Start the Effect guide adapts to your chosen setup, while animated hints help you find your way. The interface is available in 11 languages. All visual effects take place inside Flash Charge. The app does not replace the system Lock Screen or transfer energy between devices.

About

Chronovolt

This app simulates a phone battery charging or draining magically, controlled by the performer. It works on the spectator's iPhone, even on their Home Screen, and can be customized for various performance styles. A tutorial guides users through the routine.

Highlights
  • Simulates battery charging/draining
  • Works on spectator's iPhone
  • Customizable performance options
  • Home Screen integration
  • Step-by-step tutorial
  • Performer-controlled routine
Read full description

Chronovolt is a magic app for performers. Your spectator holds their own iPhone, and its battery starts charging by itself. No cable, no charger, nothing plugged in. The Charging banner drops down and the level climbs, just like on a real charger. Or it drains instead. THEIRS CHARGES, YOURS DRAINS Your iPhone drains by the same amount, as if the energy jumped from one phone to the other. NOT JUST ONE APP It even happens on their Home Screen. YOUR ROUTINE Choose how much, which way, and when it happens. Perform it close up, on stage or in the street. LEARN IT IN MINUTES A step-by-step tutorial teaches the whole routine. Rehearse every step on your own iPhone before you perform. REQUIREMENTS iPhones running iOS 26.0 or later.

Screenshots

Flash Charge4 screens
Chronovolt4 screens

Verdict

The call

The clearest difference is price: Flash Charge at $19.99 against Chronovolt's $59.99. Flash Charge also leads on iOS requirement (17.0 vs 26.0). Chronovolt's advantage is update cadence (daily vs every 4 days). On ads, in-app purchases 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

Flash Charge costs $19.99 and Chronovolt $59.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Flash Charge ships an update every 4 days, Chronovolt daily. The most recent releases landed on November 6, 2026 and November 10, 2026 respectively.

Scorecard3 real differences · 7 level
Flash Charge versus Chronovolt: the parameters behind the verdict, then further details
ParameterFlash ChargeChronovolt
Price$19.99 — better$59.99
Rating—5.0 (1 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—1 — better
Update frequencyEvery 4 daysDaily — better
AdsNoNo
In-app purchasesNoNo
Monetization—Paid
DevicesiPhone, Apple Watch — betteriPhone
Requires iOS17.0 — better26.0
Further details — not scored
Size11 MB10 MB
Age rating4+4+
DeveloperARTSEM DARAFEYEUBassem Allani

In-app purchases

None

Flash Charge

No in-app purchases

None

Chronovolt

No in-app purchases

Questions

Is Flash Charge free?
Flash Charge costs $19.99, with no in-app purchases.
Is Chronovolt free?
Chronovolt costs $59.99, with no in-app purchases.
Do Flash Charge or Chronovolt have ads?
Neither Flash Charge nor Chronovolt shows ads.
Which is updated more often, Flash Charge or Chronovolt?
Flash Charge ships an update every 4 days, and Chronovolt daily. Most recently, Flash Charge was updated on November 6, 2026 and Chronovolt on November 10, 2026.

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