Comparison

Interval Timer Sec+Sec vs CatKai

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

Head to head
About

Interval Timer Sec+Sec

This free interval training timer app uses alarms and vibrations to mark specified second intervals. It automatically tracks repetitions and remembers your settings, making it ideal for High Intensity Interval Training (HIIT). Background operation is limited.

Highlights
  • Second-based interval timing
  • Alarm and vibration alerts
  • Repetition counter
  • Saves interval settings
  • Suitable for HIIT
  • Background operation limited
Features
Read full description

Simple free interval training timer application that alarm and vibration at the time specified in seconds. After the set time has elapsed, it counts the number of repetitions. Since it keeps the specified seconds setting, it is no need to set the seconds every time. The behavior in the background is limited. For High Intensity Interval Training (HIIT).

About

CatKai

Features
Read full description

CatKai is the genetics tool cat breeders have always needed — powerful enough for professionals, clear enough for anyone curious about feline inheritance. Whether you're planning a litter, evaluating a new stud, or trying to understand why a kitten turned out the way it did, CatKai does the math so you don't have to. WHAT CATKAI DOES Enter the traits or known genotype of a queen and a tom, and CatKai instantly calculates the probability of every possible offspring phenotype. It covers all major coat color and pattern genes, including: · Color: black, chocolate, cinnamon, and their dilutes (blue, lilac, fawn) · White spotting and full white (masking) · Tabby pattern: mackerel vs. classic · Agouti (tabby vs. solid) · Silver and smoke · Colorpoint (Siamese-type restriction) · Orange (sex-linked) · Long hair Results are shown as clear percentages with color labels — no genetics degree required. BREEDER MODE Unlock the full power of feline genetics with a Breeder Mode subscription: · Enter exact alleles for all genetic loci, not just observed traits · See every possible offspring genotype and its individual probability · Identify carriers of hidden recessive genes · Get warnings for impossible or contradictory genotype combinations · Distinguish mackerel from classic tabby, silver from smoke BUILT FOR BREEDERS CatKai lets you build a roster of your cats and save calculations for future reference. Compare pairings, track your breeding program, and make informed decisions — all in one place. The app follows Apple's design language: clean, focused, and distraction-free. It works fully offline — your data stays on your device. Breeder Mode is an auto-renewing annual subscription. Price and length are shown at the time of purchase. Your subscription renews automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel your subscription in Settings → Apple ID → Subscriptions. Privacy Policy: https://support.raml.ch/privacy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Interval Timer Sec+Sec1 screens
CatKai4 screens

Verdict

The call

The clearest difference is ads: CatKai at none against Interval Timer Sec+Sec's shown. Interval Timer Sec+Sec's advantage is iOS requirement (13 vs 26.2). On price, 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. Interval Timer Sec+Sec sells 1 one-off in-app purchase and CatKai sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Scorecard2 real differences · 8 level
Interval Timer Sec+Sec versus CatKai: the parameters behind the verdict, then further details
ParameterInterval Timer Sec+SecCatKai
PriceFreeFree
Rating3.7 (13 ratings) — better—
Positive reviews77.8% of reviews—
Number of ratings13 — better—
Update frequencyEvery 12 months—
AdsYesNo — better
In-app purchasesYesYes
MonetizationAd-supported—
DevicesiPhone, iPodiPhone, iPad
Requires iOS13 — better26.2
Further details — not scored
Size12 MB2 MB
Age rating4+4+
DeveloperSHIGETO TAKAGILuca Ramseyer

In-app purchases

1 purchases

Interval Timer Sec+Sec

One-time1
  • Remove Ads$1.99
2 purchases

CatKai

Subscriptions2
  • Breeder Mode Monthly Subscription$0.991 Month
  • Breeder Mode Yearly Subscription$9.991 Year

Questions

Is Interval Timer Sec+Sec free?
Interval Timer Sec+Sec is free to download, with in-app purchases available.
Is CatKai free?
CatKai is free to download, with in-app purchases available.
Do Interval Timer Sec+Sec or CatKai have ads?
Interval Timer Sec+Sec shows ads; CatKai does not.

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