Comparison

UPSnut Pro vs CAN Studio

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

Head to head
About

UPSnut Pro

Monitor your Uninterruptible Power Supply (UPS) status remotely. View battery charge, voltage, and time on battery from a compatible server or network management card. Supports SNMP and dark mode.

Highlights
  • Retrieve UPS status information
  • Monitor battery charge and voltage
  • View time on battery
  • Supports SNMP v1/v2c
  • Dark mode support
  • Compatible with iOS 16+
Features
Read full description

UPSnut Pro can be used to retrieve UPS status information, like battery charge level, battery voltage, time on battery and so on, from an UPS with a network management card (compatible with SNMPv1/v2c) or NUT (Network UPS Tools)/ APC UPS Daemon (apcupsd) server that has an UPS (Uninterruptible Power Supply) hooked up to it. Features: - App supports the latest NUT server / APCUPSD and is compatible with all iPhone running iOS 16 or higher. - SNMP Support for v1 and v2c. - Dark mode is supported. Requirements: - Any UPS compatible with NUT or APCUPSD or UPS with SNMP management (following IETF SNMP standard) - Server - this can be any device that can host the NUT / APCUPSD service (Note: you can not run the server on an iPhone, the phone is just the client. You can use an embedded device, such as a Raspberry Pi), Server not necessary if UPS has management card (and supports IETF UPS monitoring SNMP) - your phone For information regarding set up of the NUT server, please check the project's site: https://networkupstools.org And for information regarding set up of the APCUPSD server, please check the project's site: https://apcupsd.org Support: UPSnut Pro (the iOS app) is a fully compatible, but unofficial client developed to allow your device to connect to NUT / APCUPSD servers. No support will be provided for bugs in NUT server or in APCUPSD, but only for bugs related to this iOS app. Tested on CyberPower UPS, no affiliation with cyberpower or APC or any UPS manufacturer.

About

CAN Studio

Read full description

CAN Decoder is an ISO 15765-2 CAN frame utility for quickly and easily understanding the contents of CAN bus data frames. Inspect frame packet data and frame structure in one place on any of your devices. Decode SAEJ1979 standard OBD parameter values instantly, with live-updates as you type. Features: - Copy frame data as hex bytes, as base64 encoding, and as ASCII text. - Import PacketLogger .pklg files that contain OBD scanner session data to automatically extract OBD command/response messages. - Decode ISO 15765-4 CAN 11-bit ID and 29-bit ID. - Decode SAEJ1979 Service 01 standard parameter id values.

Screenshots

UPSnut Pro4 screens
CAN Studio2 screens

Verdict

The call

The clearest difference is price: UPSnut Pro at $1.99 against CAN Studio's $59.99. CAN Studio's advantage is update cadence (every 3 weeks vs every 9 months) and device support (4 vs 2). On ads, in-app purchases and iOS requirement 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

UPSnut Pro costs $1.99 and CAN Studio $59.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

UPSnut Pro ships an update every 9 months, CAN Studio every 3 weeks. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

Scorecard3 real differences · 6 level
UPSnut Pro versus CAN Studio: the parameters behind the verdict, then further details
ParameterUPSnut ProCAN Studio
Price$1.99 — better$59.99
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 9 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhone, iPadiPhone, iPad, Mac, Vision Pro — better
Requires iOS16.0 — better17.0
Further details — not scored
Size4 MB2 MB
Age rating4+4+
DeveloperIoan MoldovanFearless design, LLC

In-app purchases

None

UPSnut Pro

No in-app purchases

None

CAN Studio

No in-app purchases

Questions

Is UPSnut Pro free?
UPSnut Pro costs $1.99, with no in-app purchases.
Is CAN Studio free?
CAN Studio costs $59.99, with no in-app purchases.
Do UPSnut Pro or CAN Studio have ads?
Neither UPSnut Pro nor CAN Studio shows ads.
Which is updated more often, UPSnut Pro or CAN Studio?
UPSnut Pro ships an update every 9 months, and CAN Studio every 3 weeks. Most recently, UPSnut Pro was updated on October 24, 2026 and CAN Studio on October 30, 2026.

Other comparisons