As of 6 Nov 2026, Cell Pack Designer is #56 in Paid · Utilities in Brazil, the one tracked chart it's in. Its best rank in the last 7 days was #34 in Paid · Utilities in Brazil.
Current rank
#56Brazil · Paid · Utilities
- Was
- —7 days ago
- Change
- Not enough history yetover 7 days
- Best
- #34in 7 days
- Longest chart run
- 2 daysBrazil · Paid · Utilities
- New ratings, 7 days
- —Needs a week of rating history
What's new
Version 1.1 · 18 days ago
New: Interconnects & wiring sizing, right next to BMS sizing. - Strip recommendation for the series links between parallel groups: material, thickness, width and number of layers, sized from your pack's continuous and peak current. - A clear answer to "Should I switch to copper?" (No / Optional / Yes / use busbars), with the reason. - Copper cross-section for the terminal bus where the main leads attach. - Main discharge lead gauge in AWG and mm², from current with headroom plus a voltage-drop check for your lead length (new optional input, default 50 cm). - Balance lead gauge guidance. - Compare now shows strip, copper verdict and lead gauge side by side, and the Reference tab explains the rules of thumb used. Thanks to the reviewer who asked for this.
Ranking events
- Entered the Paid · Utilities chart at #34Brazil
About
Cell Pack Designer helps you plan DIY battery packs built from 18650, 21700, or LiFePO4 cells, before you spend money on parts. Pick a cell preset (or enter your own specs) and a series x parallel configuration, and instantly see: - Pack nominal and full-charge voltage - Total capacity in Ah and Wh - Continuous and peak discharge current - Estimated pack weight - Estimated build cost (cells, BMS, strip, wiring) - Recommended BMS current rating, with a warning if your BMS is undersized…
Ranks come from Apple's public App Store charts, checked once a day. Appulse Index isn't affiliated with Apple.
Rank history
Higher on the chart is better: #1 is at the top.
Sign in to see 30 days, 90 days and all history.
Brazil · Paid · Utilities: best #34, latest #56, over 7 snapshots since 31 Oct.
In 1 chart now
| Chart | Rank | 24 h | 7 days | Best | Days on chart |
|---|---|---|---|---|---|
| Brazil· Paid · Utilities · best #34 · 2 days | #56 | Down 22 places | Not enough history yet | #34 | 2 |
Competitors
Compare with the top 3Full chartTop of Paid · Utilities in Brazil. Cell Pack Designer is #56 there. Changes are over 7 days.
- #1 (number one)No change
Real Sensi FF - PROAurion Technologies L.L.C. - #2No change
atvToolsOleksandr Hamlii - #3No change
HolyricsVinicius Lima da Silva - #4No change
ShadowrocketShadow Launch Technology Limited - #5New entry
PhotoUnlockedKevin Shah - #6Down 1 place
Gerador de Sensi - PROAurion Technologies L.L.C. - #7No change
PortabilidadeAlexandre Fugita - #8No change
iVerify BasiciVerify - #9Up 10 places
CDI Profire-X (PRO)Mult Scan Tecnologia Eletronica Mult Scan LTDA - #10Down 1 place
Noir - Dark Mode for SafariJeffrey Kuiken - #11Up 76 places
FE File ExplorerSkyjos Co., Ltd. - #12Not enough history yet
Mapper for SafariAlex Kitcoff - #13Not enough history yet
- #14New entry
Tabela TacoRodrigo Scroferneker - #15New entry
Stay On Target 1138Harin Wickremasinghe - #16New entry
Ovue for SeerrSayan Goswami - #17New entry
Modern RPNKevin Flathers - #18Up 3 places
- #19Not enough history yet
MagnetometerBogdan Gavriluta - #20Up 31 places
Amperes 4 : Info BatterieCrioSoft LLC
Screenshots
More from Yoshifumi Sato
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|---|---|---|---|
 スプーンフル スプーン理論で気力と疲労を見える化する手帳Health & Fitness · | Paid · Health & FitnessJapan#6 | ||
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As of 6 Nov 2026, Cell Pack Designer is #56 in Paid · Utilities in Brazil, the one tracked chart it's in. Its best rank in the last 7 days was #34 in Paid · Utilities in Brazil.
Store listing
How the app presents itself on the App Store. Select a screenshot to open it full size.
App facts
What Apple publishes about this app. Ratings are from one country's App Store.
- Price
- R$29.90
- Released
- 6 Aug 2026
- Last update
- Version 1.1
- Requires
- iOS 17.0or later
- Size
- 12.3 MB
- Languages
- 1
Rank history
Higher on the chart is better: #1 is at the top.
Sign in to see 30 days, 90 days and all history.
Brazil · Paid · Utilities: best #34, latest #56, over 7 snapshots since 31 Oct.
Current rankings
Every chart this app is in right now, best position first.
| Chart | Rank | 24 h | 7 days | Best | Days on chart |
|---|---|---|---|---|---|
| Brazil· Paid · Utilities · best #34 · 2 days | #56 | Down 22 places | Not enough history yet | #34 | 2 |
Ranking events
Entries, big moves, #1s and new versions we've recorded, by day.
- Entered the Paid · Utilities chart at #34Brazil
Competitors
Compare with the top 3Full chartTop of Paid · Utilities in Brazil. Cell Pack Designer is #56 there. Changes are over 7 days.
- #1 (number one)No changeReal Sensi FF - PROAurion Technologies L.L.C.
- #2No changeatvToolsOleksandr Hamlii
- #3No changeHolyricsVinicius Lima da Silva
- #4No changeShadowrocketShadow Launch Technology Limited
- #5New entryPhotoUnlockedKevin Shah
- #6Down 1 placeGerador de Sensi - PROAurion Technologies L.L.C.
- #7No changePortabilidadeAlexandre Fugita
- #8No changeiVerify BasiciVerify
- #9Up 10 placesCDI Profire-X (PRO)Mult Scan Tecnologia Eletronica Mult Scan LTDA
- #10Down 1 placeNoir - Dark Mode for SafariJeffrey Kuiken
- #11Up 76 placesFE File ExplorerSkyjos Co., Ltd.
- #12Not enough history yetMapper for SafariAlex Kitcoff
- #13Not enough history yet
- #14New entryTabela TacoRodrigo Scroferneker
- #15New entryStay On Target 1138Harin Wickremasinghe
- #16New entryOvue for SeerrSayan Goswami
- #17New entryModern RPNKevin Flathers
- #18Up 3 places
- #19Not enough history yetMagnetometerBogdan Gavriluta
- #20Up 31 placesAmperes 4 : Info BatterieCrioSoft LLC
- #56Not enough history yetCell Pack DesignerThis app
About
From the app's App Store listing.
Cell Pack Designer helps you plan DIY battery packs built from 18650, 21700, or LiFePO4 cells, before you spend money on parts.
Pick a cell preset (or enter your own specs) and a series x parallel configuration, and instantly see:
- Pack nominal and full-charge voltage
- Total capacity in Ah and Wh
- Continuous and peak discharge current
- Estimated pack weight
- Estimated build cost (cells, BMS, strip, wiring)
- Recommended BMS current rating, with a warning if your BMS is undersized…
What's new
Version 1.1 · 19 Oct 2026 ·
New: Interconnects & wiring sizing, right next to BMS sizing.
- Strip recommendation for the series links between parallel groups: material, thickness, width and number of layers, sized from your pack's continuous and peak current.
- A clear answer to "Should I switch to copper?" (No / Optional / Yes / use busbars), with the reason.
- Copper cross-section for the terminal bus where the main leads attach.
- Main discharge lead gauge in AWG and mm², from current with headroom plus a voltage-drop check for your lead length (new optional input, default 50 cm).
- Balance lead gauge guidance.
- Compare now shows strip, copper verdict and lead gauge side by side, and the Reference tab explains the rules of thumb used.
Thanks to the reviewer who asked for this.
More from Yoshifumi Sato
Their other apps that Appulse has seen in the charts, charting ones first.
| App | Best rank now | Released | App Store |
|---|---|---|---|
スプーンフル スプーン理論で気力と疲労を見える化する手帳Health & Fitness · | Paid · Health & FitnessJapan#6 | ||
SloMo Coach スロー動画フォーム分析Sports · | Paid · SportsJapan#9 | ||
BleedMark: Bleed & Crop PDFGraphics & Design · | Not charting | ||
LabelForge: Nutrition FactsBusiness · | Not charting | ||
SlopeCalc: Grade & RampUtilities · | Not charting | ||
Sayable 話せない・声が出ない時の意思伝達AACMedical · | Not charting | ||
通院ノート 頭痛・発作・症状を記録する体調管理Medical · | Not charting |
Ranks come from Apple's public App Store charts, checked once a day. Appulse Index isn't affiliated with Apple.