Comparison

TopInfrared vs NextCode Authenticator

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

Head to head
About

TopInfrared

This thermal imaging camera app provides high-resolution thermal images for precise temperature detection. It's ideal for inspecting insulation, examining electronics, and identifying heat loss with excellent accuracy and sensitivity.

Highlights
  • High-resolution thermal imaging (256x192)
  • Precise temperature detection
  • Insulation inspection
  • Circuit board examination
  • High heat sensitivity (40mk)
  • Low power consumption
Features
Read full description

Applications: The iOS smartphone thermal imaging camera offers exceptional precision in detecting temperatures, inspecting insulation, and examining circuit boards. Its impressive 256x192 ultra-high resolution ensures that thermal images are both sharp and detailed. The device has a temperature accuracy of ±3.6°F(2°C), boasting a resolution of 0.1°C. Moreover, with a low power consumption of only 0.35W, you can use it for extended periods without concerns about battery life. The camera's high heat sensitivity of 40mk enables it to detect even the slightest temperature changes with great precision.

About

NextCode Authenticator

Features
Read full description

NextCode Authenticator helps you sign in faster by showing the code you need now and the code coming next. Add two-factor authentication codes, keep them organized, and copy the right code with one tap. Built for standard time-based one-time passwords, NextCode Authenticator works with services that support TOTP QR codes. Scan a QR code, import from screenshots or image files, use supported migration QR exports, or enter account details manually. Your secrets stay on this iPhone. NextCode Authenticator does not require an account, does not use cloud sync, and does not send your vault to a remote server. Image imports are scanned on device, and encrypted backups are saved as local files you control. Features: - Current and next 2FA code display - TOTP verification codes for supported accounts - QR code scanning - Screenshot and image file import - Migration QR import for supported authenticator exports - Tap to copy current or next code - Search, favorites, and groups - Face ID, Touch ID, or passcode lock when available - Local encrypted backup and restore - QR export for one-time migration Free supports up to 5 codes. Premium unlocks unlimited codes with a one-time purchase.

Screenshots

TopInfrared4 screens
NextCode Authenticator4 screens

Verdict

The call

The clearest difference is iOS requirement: TopInfrared at 12.0 against NextCode Authenticator's 17.0. On price, update cadence, ads and in-app purchases 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. TopInfrared sells 1 one-off in-app purchase and NextCode Authenticator sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

TopInfrared ships an update every 3 weeks, NextCode Authenticator every 2 weeks. The most recent releases landed on October 20, 2026 and October 15, 2026 respectively.

Scorecard1 real difference · 9 level
TopInfrared versus NextCode Authenticator: the parameters behind the verdict, then further details
ParameterTopInfraredNextCode Authenticator
PriceFreeFree
Rating3.5 (51 ratings) — better—
Positive reviews39.7% of reviews—
Number of ratings51 — better—
Update frequencyEvery 3 weeksEvery 2 weeks — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPod — betteriPhone
Requires iOS12.0 — better17.0
Further details — not scored
Size518 MB3 MB
Age rating4+4+
DeveloperHK TOPDON TECHNOLOGY Co., LIMITEDZhe Wu

In-app purchases

1 purchases

TopInfrared

One-time1
  • AI Features$19.99
1 purchases

NextCode Authenticator

One-time1
  • NextCode Premium$9.99

Questions

Is TopInfrared free?
TopInfrared is free to download, with in-app purchases available.
Is NextCode Authenticator free?
NextCode Authenticator is free to download, with in-app purchases available.
Do TopInfrared or NextCode Authenticator have ads?
Neither TopInfrared nor NextCode Authenticator shows ads.
Which is updated more often, TopInfrared or NextCode Authenticator?
TopInfrared ships an update every 3 weeks, and NextCode Authenticator every 2 weeks. Most recently, TopInfrared was updated on October 20, 2026 and NextCode Authenticator on October 15, 2026.

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