# DoseMate: Planted Tank Ferts — EI, PPS-Pro & PMDD in ppm

> EI, PPS-Pro & PMDD in ppm (iPhone/iPad app by Yoshifumi Sato.)

- Source: https://appshunter.io/ios/app/dosemate-planted-tank-ferts/id6790429576 (this page in markdown: same URL + `.md`)
- Developer: [Yoshifumi Sato](https://appshunter.io/developer/6780413827)
- Category: Utilities
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 17.0 · 2 MB
- Languages: American English, Japanese
- Released: 2026-07-21
- Data updated: 2026-07-27
- User reviews in markdown: https://appshunter.io/ios/app/dosemate-planted-tank-ferts/id6790429576/reviews.md

## What is DoseMate?

DoseMate is the offline fertilizer calculator for planted aquariums. Enter your tank volume and dosing method, and get the exact amount of each dry salt to weigh out, plus the ppm it adds.

DOSING METHODS
- EI (Estimated Index), high and low light
- PPS-Pro
- PMDD
- Custom: set your own weekly ppm targets

FEATURES
- Dry-salt and stock-solution dosing (grams, ml, and teaspoon estimate)
- Target-ppm solver
- RO/DI remineralization: exact gypsum (CaSO4), Epsom salt (MgSO4) and baking soda (NaHCO3) for your target GH, KH and Ca:Mg ratio
- Multiple tank profiles
- See the math behind every result
- Works completely offline. No account, no subscription.

Built for the planted tank and aquascaping community. Grams are authoritative; teaspoon figures are estimates. For aquarium plant fertilization only. Verify before dosing.

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| DoseMate Pro | $3.99 | one-time |



## Version history (last 1 release)

### 1.0 — 2026-07-21

No release notes.

## More apps by Yoshifumi Sato

- [DualShot: Front & Back Cam](https://appshunter.io/ios/app/dualshot-front-and-back-cam/id6788761561)
- [Progressly – Body Progress](https://appshunter.io/ios/app/progressly-body-progress/id6789591055)
- [Holdly – Isometric Timer](https://appshunter.io/ios/app/holdly-isometric-timer/id6789790139)
- [かんじ3年生 小学3年の漢字ドリル](https://appshunter.io/ios/app/3-3/id6790055787)
- [Kotoba: Learn Japanese N5](https://appshunter.io/ios/app/kotoba-learn-japanese-n5/id6790646798)

All apps by Yoshifumi Sato: https://appshunter.io/developer/6780413827

---

*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-27.*