# Tortoise vs SunLight

The clearest difference is price: SunLight at Free against Tortoise's $1.99. SunLight also leads on update cadence (fortnightly vs every 4 months). Tortoise's advantage is in-app purchases (none vs 1) and iOS requirement (16.0 vs 26.0). On ads and device support there is nothing between them.

SunLight is free to download; Tortoise costs $1.99 up front. SunLight sells 1 one-off in-app purchase. Tortoise asks for nothing beyond the download.

Tortoise ships an update every 4 months, SunLight fortnightly. The most recent releases landed on October 8, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Tortoise | SunLight |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[2.5 (2 ratings)](https://appshunter.io/ios/app/tortoise-keep-tracking/id1127680609/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 63.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | Paid | — |
| Size | 25 MB | 69 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [叶祺 顾](https://appshunter.io/developer/1127680608) | [胜天 何](https://appshunter.io/developer/1667218804) |

## What reviewers say

### Tortoise

[App page](https://appshunter.io/ios/app/tortoise-keep-tracking/id1127680609)

This app helps you meticulously track the growth and health of your pet turtles. Record key measurements, feeding habits, and visual progress with photos and videos. Manage multiple pets and set reminders for care tasks to ensure optimal health.

**Highlights:** Record weight and measurements, Log feeding habits, Store photos and videos, Generate growth charts, Manage multiple turtles, Set care reminders

**In-app purchases:** none


### SunLight

[App page](https://appshunter.io/ios/app/sunlight-3d-sun-path-tracker/id6784104999)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SunLight Pro Lifetime | $2.99 | one-time |


## Frequently asked questions

### Is Tortoise free?

Tortoise costs $1.99, with no in-app purchases.

### Is SunLight free?

SunLight is free to download, with in-app purchases available.

### Do Tortoise or SunLight have ads?

Neither Tortoise nor SunLight shows ads.

### Which is updated more often, Tortoise or SunLight?

Tortoise ships an update every 4 months, and SunLight fortnightly. Most recently, Tortoise was updated on October 8, 2026 and SunLight on October 11, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*