Comparison

Comet4 vs MilkSafe

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

Head to head
About

Comet4

Features
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Comet4 It is the first system on the market that allows to carry out an antibiotic screening test automatically and share the results in real time. Just apply a drop of milk to the test tube and Comet4 will automatically perform the test in less than 2.5 hours. Results are sent to your smart device, cloud account or email in real time.

About

MilkSafe

Features
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The MilkSafeâ„¢ app works to facilitate a range of high-quality tests in detecting the most common dairy antibiotic residues. The app works alongside the Portable Reader, which enables testing of antibiotic residues during transportation of the milk. Combined with the MilkSafeâ„¢ App, the test results are stored in a cloud-based data management solution, providing traceable documentation and transparency. The test kit range can be used to detect: - Beta-lactams - Cefalexin - Tetracyclines - Sulfonamides - Chloramphenicol - Streptomycin Providing customers the opportunity to test milk for antibiotic residues at all levels of the milk value chain is also beneficial for keeping the commingled milk uncontaminated. Reducing contamination minimizes milk waste, supporting a sustainable, efficient and profitable production process.

Screenshots

Comet44 screens
MilkSafe3 screens

Verdict

The call

The clearest difference is update cadence: MilkSafe at every 2 months against Comet4's every 6 months. MilkSafe also leads on iOS requirement (13.0 vs 16.6). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Comet4 ships an update every 6 months, MilkSafe every 2 months. The most recent releases landed on September 30, 2026 and September 27, 2026 respectively.

Scorecard2 real differences · 4 level
Comet4 versus MilkSafe: the parameters behind the verdict, then further details
ParameterComet4MilkSafe
PriceFreeFree
Update frequencyEvery 6 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.613.0 — better
Further details — not scored
Size33 MB14 MB
Age rating4+4+
DeveloperAndres Mena TobarChr Hansen A/S

In-app purchases

None

Comet4

No in-app purchases

None

MilkSafe

No in-app purchases

Questions

Is Comet4 free?
Comet4 is free to download, with no in-app purchases.
Is MilkSafe free?
MilkSafe is free to download, with no in-app purchases.
Do Comet4 or MilkSafe have ads?
Neither Comet4 nor MilkSafe shows ads.
Which is updated more often, Comet4 or MilkSafe?
Comet4 ships an update every 6 months, and MilkSafe every 2 months. Most recently, Comet4 was updated on September 30, 2026 and MilkSafe on September 27, 2026.

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