Comparison

Ampere vs Cairos IOT

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

Head to head
About

Ampere

Measure your device's charging speed with different chargers, cables, and wireless sources. Track app battery usage, estimate remaining time for activities, and compare charging accessories to find the best ones.

Highlights
  • Measure charging speed
  • Compare chargers and cables
  • Estimate remaining usage time
  • Track app battery usage
  • Create custom reference tables
Features
Read full description

Introducing Ampere Battery Check - your ultimate companion for everything battery, charging, and power on your device. Ampere gives you a fast, accurate way to measure real charging speed, compare chargers and cables, and understand exactly how your battery is performing right now. Whether you want to find the fastest charger in your home, test a new USB-C cable, or check if a wireless pad is really delivering the watts it promises, Ampere puts the numbers in your hand in seconds. KEY FEATURES - Accurate charging speed test: measure real-time charging current (mA) from any charger, cable, or wireless pad. - Charger comparison: benchmark wall adapters, car chargers, power banks, and wireless chargers side by side. - Cable & wire testing: instantly spot slow, damaged, or low-quality USB, Lightning, and USB-C cables. - Wireless charging check: verify that your Qi or MagSafe pad delivers the speed it advertises. - Battery health insights: track capacity, voltage, temperature, and overall condition over time. - Remaining usage time: see how long your battery will last for browsing, calls, video, music, gaming, and standby. - Charging history & logs: review past charging sessions to find the best charger for daily use. - Smart notifications: get alerts when charging is complete or when a slow charger is detected. - Clean, simple interface: clear readouts, no clutter, no confusing jargon. WHY AMPERE - Save time by always picking the fastest working charger. - Save money by identifying bad cables before you replace your device. - Protect your battery by avoiding weak or unstable power sources. - Travel smart by testing hotel, airport, and car chargers on the go. PERFECT FOR - Anyone frustrated by slow charging. - Users comparing new chargers, power banks, or MagSafe accessories. - Tech enthusiasts who want real data about their device's power. - Travelers, students, gamers, and heavy phone users. HOW IT WORKS 1. Open Ampere Battery Check. 2. Plug in your charger or place your device on a wireless pad. 3. Watch live charging speed, voltage, and battery status update in real time. 4. Compare results and choose the best charger and cable for you. Stop guessing which charger or cable is actually fast. Download Ampere Battery Check today and take full control of your battery, charging speed, and device power - all from one beautifully simple app.

About

Cairos IOT

Features
Read full description

Being a competitive world, our focus should be on performance enhancement. IOT and connected devices gives you the luxury to monitor performance not only of your employees but your assets and provide you with insights on how to enhance performance which provides a competitive edge over your competitors.

Screenshots

Ampere4 screens
Cairos IOT3 screens

Verdict

The call

The clearest difference is in-app purchases: Cairos IOT at none against Ampere's 1. Cairos IOT also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 3 months). On price 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. Ampere sells 1 one-off in-app purchase. Cairos IOT asks for nothing beyond the download.

UpkeepUpdate frequency

Ampere ships an update every 3 months, Cairos IOT every 3 weeks. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

Scorecard4 real differences · 6 level
Ampere versus Cairos IOT: the parameters behind the verdict, then further details
ParameterAmpereCairos IOT
PriceFreeFree
Rating3.6 (12 ratings) — better—
Positive reviews20.9% of reviews—
Number of ratings12 — better—
Update frequencyEvery 3 monthsEvery 3 weeks — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, Apple WatchiPhone, iPad, iPod
Requires iOS17.613.0 — better
Further details — not scored
Size25 MB34 MB
Age rating4+4+
DeveloperCrioSoft LLCJARS Services Private Limited

Bugs and requests

Ampere

Reported bugs

3 issues
  • Crashes on launch
  • Fails to complete testing
  • Incorrect wattage readings

Requested features

3 requests
  • Historical data logging
  • Real-time monitoring
  • Wireless charging support

Cairos IOT

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Ampere

One-time1
  • Disable Ads$0.99
None

Cairos IOT

No in-app purchases

Questions

Is Ampere free?
Ampere is free to download, with in-app purchases available.
Is Cairos IOT free?
Cairos IOT is free to download, with no in-app purchases.
Do Ampere or Cairos IOT have ads?
Ampere shows ads; Cairos IOT does not.
Which is updated more often, Ampere or Cairos IOT?
Ampere ships an update every 3 months, and Cairos IOT every 3 weeks. Most recently, Ampere was updated on October 26, 2026 and Cairos IOT on October 27, 2026.

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