Prices verified May 25 ยท Always confirm at the retailer before buying.
What's the best pick for 2026
- Best Overall:Amplim CA-3โ$24โ
- Best Value:GoodBaby FC-IR2000โ$20โ

Pros:
- Stores 60 past readings for trend tracking
- Color LCD screen turns green/red for fever alert
- Meets FDA standards for safety
- Non-contact for hygiene
Cons (honest weight):
- Price higher than budget alternatives at $23.71
- Requires 2 AAA batteries (included)

Pros:
- Fast 1-second reading time
- 35-set memory recall
- Affordable at $19.99
- Compact design
Cons (honest weight):
- Memory shorter than competitors (35 vs 60)
- No color LCD display (digital only)
Amplim CA-3 vs GoodBaby FC-IR2000: Head-to-Head
The Amplim CA-3 and GoodBaby FC-IR2000 are two of the best-selling baby thermometers on Amazon. Both are non-contact infrared models with fever alerts and memory storage.
But which one is right for your family? Let's compare them across key dimensions.
| Feature | Amplim CA-3 | GoodBaby FC-IR2000 |
|---|---|---|
| Price | $23.71 | $19.99 |
| Rating | 4.5 / 5 | 4.6 / 5 |
| Review Count | 22,665 | 22,020 |
| Memory Storage | 60 readings | 35 readings |
| Reading Time | ~1-2 seconds | 1 second |
| Fever Alarm | Color-coded + audible | Tri-color alert |
| Display | Color LCD | Digital LCD |
| Non-Contact | Yes | Yes |
| FDA Cleared | Yes | Yes |
Memory and Display
The Amplim stores 60 previous readings, double that of the GoodBaby's 35. Its color LCD screen turns green or red to indicate fever, making it easier to interpret at a glance.
The GoodBaby offers a standard digital display. While it does have a tri-color fever alert, it lacks the color LCD.
Speed and Simplicity
The GoodBaby reads in just 1 second, slightly faster than the Amplim's approximately 2 seconds. For restless babies, every second counts.
The Amplim is still very fast, but the GoodBaby's one-button operation is simpler.
Price and Value
At $23.71, the Amplim costs about $3.72 more than the $19.99 GoodBaby. For the extra money, you get double the memory and a color display.
The GoodBaby is the better value for budget-conscious families. It delivers reliable results without the premium price.
What Experts Say
Tom's Guide and Consumer Reports both highlight the importance of accurate, fast thermometers. While neither model was directly tested by those outlets, both are top sellers with strong ratings.
Community feedback on Reddit's r/beyondthebump praises both for reliability. Parents appreciate the Amplim's memory and the GoodBaby's speed.
Final Verdict
Choose the Amplim CA-3 if you want detailed trend tracking and a vibrant display. It's ideal for parents who monitor fevers closely.
Choose the GoodBaby FC-IR2000 for a budget-friendly, no-fuss thermometer. It's perfect for quick checks without breaking the bank.
Frequently Asked Questions
What is the difference between Amplim CA-3 and GoodBaby FC-IR2000?
The Amplim CA-3 stores 60 readings with a color LCD screen, while the GoodBaby FC-IR2000 stores 35 readings with a digital display. The GoodBaby reads faster (1 second) and costs less ($19.99 vs $23.71).
Which baby thermometer is more accurate?
Both thermometers are FDA-cleared and use infrared technology. User ratings are similar (4.5 vs 4.6), indicating comparable accuracy in real-world use.
Are these thermometers FDA approved?
Yes, both the Amplim CA-3 and GoodBaby FC-IR2000 are FDA-cleared for safety and reliability.
How many readings can each store?
The Amplim CA-3 stores up to 60 previous readings, while the GoodBaby FC-IR2000 stores 35 readings.
Can these thermometers be used rectally?
No, both are non-contact forehead thermometers designed for temporal artery use. They should not be used rectally.
What is the reading time?
The GoodBaby FC-IR2000 provides a reading in 1 second. The Amplim CA-3 takes about 1-2 seconds.
Do they have fever alarms?
Yes, both have fever alerts. The Amplim CA-3 has a color-coded LCD (green/red) and an audible alarm. The GoodBaby FC-IR2000 has a tri-color fever alert.
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