TimeCapsule2 vs Light Teller
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TimeCapsule2
Track important upcoming events with a clean and efficient countdown widget. Supports various sizes for iOS 14 and macOS, with iCloud synchronization across devices. Never forget a special day again by adding reminders to your system calendar.
- iOS 14 widget support
- macOS menubar and notification widgets
- iCloud cross-device synchronization
- System calendar reminders
- Year-Day format support
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TimeCapsule - A clean and efficient countdown App. Support iOS 14 widget with all sizes. Support Year-Day format. Help you know better about the number. Support adding reminder to System Calendar. You will never forget the important days. Cross-device support · Synchronize with iCloud between iOS device and macOS device · Consistent design in iOS and macOS · macOS version supports menubar widget and notification center widget. Don't forget to try it. If you have any advice or problem, here is my email address:cswenshuo@gmail.com
Light Teller
This app uses your smartphone camera to measure ambient light levels, helping parents ensure their children's study spaces have adequate lighting to protect their vision and reduce myopia risk. It offers clear instructions and educational content on light's impact on eye health.
- Brightness testing with smartphone camera
- Light health guidance for parents
- Detailed user instructions
- Accurate and reliable measurements
- Educational articles on visual health
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"Light Teller" is an intelligent application that utilizes the smartphone camera to test the brightness of the environment, helping parents determine whether the lighting in their children's study environment is sufficient. Specifically designed for parents with young children, we understand the importance of protecting their eyes during their developmental stages. Therefore, we pay special attention to the impact of lighting on daily eye health and strive to create an optimal learning environment that reduces the risk of myopia. The key advantage of "Light Teller" lies in providing detailed usage instructions and a reference for brightness, enabling you to easily understand and optimize your children's study environment. Key Features: 1. Brightness Testing: Utilize the smartphone camera to quickly and accurately measure the brightness level of the environment, providing reliable reference values for parents. 2. Light Health Guide: Provide parents with educational information about brightness, helping them create a comfortable learning environment for their children. 3. User Instructions: Clear and user-friendly interface and instructions enable parents to quickly get started, operate correctly, and interpret the results of brightness testing. Key Highlights: - Accurate and Reliable: Utilize advanced brightness measurement algorithms to ensure accurate and reliable test results. - Simple and User-Friendly: Designed with a user-friendly interface, allowing you to easily conduct brightness testing without requiring specialized knowledge or equipment. - Illuminating Knowledge: Offer a rich collection of educational articles to deepen parents' understanding of the importance of light and its impact on visual health.(TBD) Whether you are prioritizing your children's eye health or seeking a deeper understanding of the importance of light, "Light Teller" is the ideal choice for you. Please note: This application solely provides brightness testing and educational knowledge sharing. It does not diagnose any environment or offer medical advice.
Screenshots
Verdict
The clearest difference is price: Light Teller at Free against TimeCapsule2's $0.99. TimeCapsule2's advantage is in-app purchases (none vs 2) and chart position (#193 vs unranked). On update cadence, ads 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
Light Teller is free to download; TimeCapsule2 costs $0.99 up front. Light Teller sells 2 one-off in-app purchases. TimeCapsule2 asks for nothing beyond the download.
TimeCapsule2 ships an update every 6 months, Light Teller every 5 months. The most recent releases landed on October 2, 2026 and September 20, 2026 respectively.
| Parameter | TimeCapsule2 | Light Teller |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | 70.6% of reviews | — |
| Number of ratings | — | 1 — better |
| Update frequency | Every 6 months | Every 5 months — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Best chart rank | #193 — better | — |
| Devices | iPhone, iPod, Mac — better | iPhone, iPad |
| Requires iOS | 14.0 — better | 16.1 |
| Further details — not scored | ||
| Size | 1 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | 文烁 蔡 | 佳佳 陶 |
Customer experience
TimeCapsule2
Light Teller
In-app purchases
TimeCapsule2
No in-app purchases
Light Teller
- 3 Months Access$1.99
- 1 Year Access$4.99









