Comparison

AVR Tutorial Pro vs Campus Labs® Event Check

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

Head to head
About

AVR Tutorial Pro

Features
Read full description

This app is a AVR tutorial based on ATMEGA16 C language. It is suitable for hobbyist or engineering students. Learning AVR mcu is difficult. The learning curve is steep. The process including reading datasheet, writing code, building prototypes and troubleshooting. The most possible errors are the setting wrong value of registers. Now, AVR tutorial Pro is the solution. The code wizard allow you to set the timer, UART, ADC, interrupt and peripherals by just a few clicks in setting. The proven C source code is generated automatically. Though the code wizard is based on ATMEGA16 mcu, it is easy to port to other ATMEGA mcu since the source code is highly structured Features • AVR architecture review • AVR asm mnemonics & C language • 21 demo projects including LED, buzzer, key switch, lcm16x2, ADC, etc • Code wizard for UART, timer, interrupt, ADC and external peripherals Features in PRO only • Support I2C eeprom 24C01 (128B) ~ 24C512 (64kB) • Support SPI eeprom 25010 (128B) ~ 25M02 (256kB) • Extra demo projects including led matrix 16x16, I2C eeprom, SPI eeprom • Code wizard for I2C eeprom, SPI eeprom, LCM128x64, etc Atmel® and AVR® are registered trademarks or trademarks of Atmel Corporation or its subsidiaries, in the US and/or other countries. This application is not related or affiliated in any way Atmel Corporation.

About

Campus Labs® Event Check

This app allows campus event hosts to securely check students into events using their mobile devices. It acts as a companion to a web application, streamlining the event attendance process for organizers.

Highlights
  • Mobile event check-in
  • Secure student entry
  • Companion to web app
  • Event host tool
Read full description

Campus Labs® Event Check-in is a companion app for the Campus Labs® Engage student engagement web application that enables campus event hosts to easily and securely check students into events using mobile devices. This app is for event hosts, students do not need to download this app to check-in at events.

Screenshots

AVR Tutorial Pro4 screens
Campus Labs® Event Check4 screens

Verdict

The call

The clearest difference is price: Campus Labs® Event Check at Free against AVR Tutorial Pro's $1.99. Campus Labs® Event Check also leads on in-app purchases (none vs 10) and update cadence (monthly vs every 4 months). AVR Tutorial Pro's advantage is iOS requirement (9.0 vs 15.0). On ads 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

Campus Labs® Event Check is free to download; AVR Tutorial Pro costs $1.99 up front. AVR Tutorial Pro sells 10 one-off in-app purchases. Campus Labs® Event Check asks for nothing beyond the download.

UpkeepUpdate frequency

AVR Tutorial Pro ships an update every 4 months, Campus Labs® Event Check monthly. The most recent releases landed on August 22, 2026 and September 22, 2026 respectively.

Scorecard4 real differences · 6 level
AVR Tutorial Pro versus Campus Labs® Event Check: the parameters behind the verdict, then further details
ParameterAVR Tutorial ProCampus Labs® Event Check
Price$1.99Free — better
Rating—4.8 (1.4K ratings) — better
Positive reviews—42.9% of reviews
Number of ratings—1.4K — better
Update frequencyEvery 4 monthsMonthly — better
AdsNoNo
In-app purchasesYesNo — better
Monetization—Free
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 — better15.0
Further details — not scored
Size33 MB31 MB
Age rating4+4+
DeveloperSiu Yuen HoCampus Labs, Inc.

In-app purchases

10 purchases

AVR Tutorial Pro

One-time10
  • SPI OLED$1.99
  • Wifi home automation$1.99
  • I2C OLED$1.99
Show 7 more
  • 2.2" TFT$1.99
  • Lora home automation$1.99
  • gps project$2.99
  • Home automation using Siri$2.99
  • Home automation using Google$2.99
  • BT home automation$4.99
  • BLE home automation$4.99
None

Campus Labs® Event Check

No in-app purchases

Questions

Is AVR Tutorial Pro free?
AVR Tutorial Pro costs $1.99, and also offers in-app purchases.
Is Campus Labs® Event Check free?
Campus Labs® Event Check is free to download, with no in-app purchases.
Do AVR Tutorial Pro or Campus Labs® Event Check have ads?
Neither AVR Tutorial Pro nor Campus Labs® Event Check shows ads.
Which is updated more often, AVR Tutorial Pro or Campus Labs® Event Check?
AVR Tutorial Pro ships an update every 4 months, and Campus Labs® Event Check monthly. Most recently, AVR Tutorial Pro was updated on August 22, 2026 and Campus Labs® Event Check on September 22, 2026.

Other comparisons