Comparison

CallTimer vs Interlo

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

Head to head
About

CallTimer

This utility app helps you monitor call durations with customizable alarms. It's designed for simplicity, allowing users to set notifications for specific call lengths, making it useful for managing unlimited calling plans.

Highlights
  • Measure call time
  • Set customizable alarms
  • Receive notifications
  • Vibration alerts
  • Simple interface
  • Select numbers from phone book
Features
Read full description

CallTimer will measure the call time ,depending on the alarm that you set for notify.Especially the unlimited calling within 5 minutes , to a 10-minute telephone call unlimited plan , I think that useful . Since the aim of the app that can be used by anyone,it made as much as possible simple interface . User guide: 1、Set a alarm with you want to be notify. 2、Input the phone number or choose a number from phone book. 3、Call with green button. ※ Notify method : Notifications + Vibration if it not work or you have any requests , Please contact us with support site.

About

Interlo

Features
Read full description

Talk with people on your travels with Interlo. Translate conversations, text and text in photos directly on your iPhone. FREE FEATURES • Two-way conversation translation with original text, translated text and spoken output. Translate the other person’s reply back into your language. • Text translation and read-aloud. • Photo translation: take or select a photo, crop the area you want to translate, and translate automatically. Translating the entire photo and editing the source text are also available. • A personal glossary for names and specialized terms. • Offline use after downloading the required language data. PRIVACY No account, ads or tracking. Conversation audio, conversation text and photos are processed on your device and are not sent to our servers. INTERLO PRO Export and share conversation notes. Automatic language detection and AI summaries are also available on iPhones that support Apple Intelligence. These two features require a compatible device and the necessary settings; purchasing Pro does not enable them on unsupported devices. Export works on all iPhones supported by the app. Automatic language detection requires an initial model download of approximately 480 MB. Pro is available as a monthly subscription or a one-time purchase. Subscriptions renew automatically unless canceled at least 24 hours before the current period ends. Manage or cancel your subscription in your App Store account settings. COMPATIBILITY The app interface is available in Japanese and English. Translation and speech recognition languages depend on your device and Apple’s services. Photo translation may be unavailable for some devices or selected languages. Requires iOS 26 or later. Terms: https://khunryo.github.io/interlo/terms.html Privacy: https://khunryo.github.io/interlo/privacy.html

Screenshots

CallTimer4 screens
Interlo3 screens

Verdict

The call

The clearest difference is in-app purchases: CallTimer at none against Interlo's 2. CallTimer also leads on iOS requirement (15.0 vs 26.0). Interlo's advantage is ads (none vs shown) and update cadence (fortnightly vs monthly). On price 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. Interlo sells 2 in-app purchases, starting at $1.99 per month. CallTimer asks for nothing beyond the download.

UpkeepUpdate frequency

CallTimer ships an update monthly, Interlo fortnightly. The most recent releases landed on October 16, 2026 and October 17, 2026 respectively.

Scorecard4 real differences · 6 level
CallTimer versus Interlo: the parameters behind the verdict, then further details
ParameterCallTimerInterlo
PriceFreeFree
Rating4.6 (5 ratings) — better—
Positive reviews21.2% of reviews—
Number of ratings5 — better—
Update frequencyMonthlyFortnightly — better
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported—
DevicesiPhone, iPod — betteriPhone
Requires iOS15.0 — better26.0
Further details — not scored
Size9 MB5 MB
Age rating4+4+
DeveloperChunxu Qiusugamata ryohei

In-app purchases

None

CallTimer

No in-app purchases

2 purchases

Interlo

Subscriptions1
  • Interlo Pro(月額)7 Days trial$1.991 Month
One-time1
  • Interlo Pro(買い切り)$9.99

Questions

Is CallTimer free?
CallTimer is free to download, with no in-app purchases.
Is Interlo free?
Interlo is free to download, with in-app purchases available.
Do CallTimer or Interlo have ads?
CallTimer shows ads; Interlo does not.
Which is updated more often, CallTimer or Interlo?
CallTimer ships an update monthly, and Interlo fortnightly. Most recently, CallTimer was updated on October 16, 2026 and Interlo on October 17, 2026.

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