Orenda vs Renew
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Orenda
This app helps you master pool chemistry by accurately calculating chemical dosages and balancing water based on the LSI. It offers a user-friendly experience for both novices and professionals, including a volume estimator and educational videos.
- Chemical dosing calculator
- LSI water balancing
- Pool volume estimator
- User-friendly interface
- Educational videos
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Master pool chemistry with the Orenda pool chemical dosing calculator. Measure pool chemicals accurately while balancing water chemistry according to the LSI. The Orenda App is a swimming pool calculator with a user friendly experience, and makes pool chemistry easier than ever. Try the new pool volume estimator and watch Orenda videos in the app. A pool chemical calculator that allows a novice to dose chemicals as accurately as a professional pool operator.
Renew
This app helps families and households manage important dates and recurring payments. It tracks subscriptions, bills, birthdays, and pet vaccinations with reliable notifications. The interface is simple and easy to use for both individuals and households.
- Subscription tracking
- Bill and service renewal reminders
- Birthday and event reminders
- Pet vaccination tracking
- Household organization
- Reliable notifications
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RenewAlert helps families and households stay organized by tracking subscriptions, bills, birthdays, pet vaccinations, and other important household reminders all in one place. Key features include: • Track streaming subscriptions such as Netflix, HBO Max, and SiriusXM • Receive reminders for utilities, phone plans, and service renewals • Never forget birthdays, family events, or pet vaccinations • Simple, clean, and easy-to-use interface designed for households and individual users • Manage reminder schedules and renewal dates with reliable notifications Subscriptions: • Premium features are available via auto-renewable subscriptions • Subscription pricing, duration, and any applicable trial are clearly shown before purchase • Subscriptions automatically renew unless canceled at least 24 hours before the end of the current period • Users can manage or cancel subscriptions through their App Store account settings Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: Orenda at none against Renew's 6. Orenda also leads on ads (none vs shown) and ratings volume (478 vs 1). Renew's advantage is rating (5.0 vs 4.7) and review sentiment (100% vs 82%). On price, update cadence, device support and iOS requirement 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. Renew sells 6 in-app purchases, starting at $14.99 per month. Orenda asks for nothing beyond the download.
Renew holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Orenda has 478 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 82% of Orenda's written reviews are positive against 100% of Renew's.
Orenda ships an update monthly, Renew every 3 weeks. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.
| Parameter | Orenda | Renew |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (478 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 81.8% of reviews | 100.0% of reviews — better |
| Number of ratings | 478 — better | 1 |
| Update frequency | Monthly | Every 3 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 78 MB | 61 MB |
| Age rating | 4+ | 4+ |
| Developer | Hasa Inc. | RenewAlert |
Customer experience
Orenda
Renew
Bugs and requests
Orenda
Reported bugs
4 issues- Desired levels changing when inputting current values
- Metric system not functioning as expected
- Slider feature for inputting readings is slow and frustrating
- App not optimized for all iPhone screen sizes
Requested features
5 requests- Ability to save pool volume and desired levels
- Option to log pool history and track trends
- Integration with pool chemical monitors
- Ability to set custom chemical concentrations
- Support for more languages (e.g., Chinese)
Renew
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Orenda
No in-app purchases
Renew
- Home & Family Monthly1 Month trial$14.991 Month
- Standard Monthly1 Month trial$29.991 Month
- Enterprise Monthly1 Month trial$49.991 Month
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- Home & Family Yearly1 Month trial$149.991 Year
- Standard Yearly1 Month trial$299.991 Year
- Enterprise Yearly1 Month trial$499.991 Year









