CallTimer vs Interlo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Measure call time
- Set customizable alarms
- Receive notifications
- Vibration alerts
- Simple interface
- Select numbers from phone book
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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.
Interlo
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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
Verdict
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
Both are free to download. Interlo sells 2 in-app purchases, starting at $1.99 per month. CallTimer asks for nothing beyond the download.
CallTimer ships an update monthly, Interlo fortnightly. The most recent releases landed on October 16, 2026 and October 17, 2026 respectively.
| Parameter | CallTimer | Interlo |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (5 ratings) — better | — |
| Positive reviews | 21.2% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Monthly | Fortnightly — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 9 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Chunxu Qiu | sugamata ryohei |
In-app purchases
CallTimer
No in-app purchases
Interlo
- Interlo Pro(月額)7 Days trial$1.991 Month
- Interlo Pro(買い切り)$9.99









