Comparison

OliveOdds vs Parlay Shield

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

OliveOdds

Features
Read full description

OliveOdds turns statistical models into a clear read on the market. It estimates win probabilities for soccer, NBA, MLB and tennis matches, then compares them against bookmaker-implied odds to surface where the market may be mispricing a result. MATCHES & MARKETS • Soccer: 1X2 result and Over/Under 2.5 goals • NBA: moneyline, handicap and totals • MLB: moneyline, run line and totals • Tennis: match winner and total games (ATP, WTA, Challenger) • Model probability shown side by side with market-implied probability • Fixtures grouped by date and filtered by sport and market • A freshness indicator so you always know how current a model run is BET TRACKER • Log any pick and resolve it as Won, Lost, Returned or Pending • Net P&L and ROI across everything you log • Day-by-day P&L breakdown • Performance analytics by sport, market and odds range • Set your bankroll and see stake suggestions scaled to it OLIVEODDS PRO • Full value analysis: edge percentage and best available odds on each side • Value badges highlighting the largest gaps the model finds • Kelly criterion stake suggestions to help you think about sizing • No ads for as long as any plan is active PLANS • Full Access: every sport and market, monthly or yearly, starting with a 1-week free trial • Single Sport: one sport, billed monthly, cancel anytime • Season Pass: a single payment covering one sport through the end of its season, with nothing to cancel Payment is charged to your Apple Account at confirmation of purchase. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period; manage or cancel anytime in your App Store account settings. Season passes are one-time purchases that do not renew. IMPORTANT DISCLAIMER OliveOdds is a sports analytics tool, not a tipster or a betting advice service. We do not advise you to place any bet. Every figure shown (win probabilities, edge percentages, Kelly suggestions) is the output of a statistical model, and models are sometimes wrong. Past model accuracy does not guarantee future results. All wagering decisions and their financial consequences are entirely your own. 18+. Please gamble responsibly and only stake what you can afford to lose. PRIVACY OliveOdds uses Google's User Messaging Platform to manage advertising consent in line with GDPR. You can update your privacy preferences at any time from the in-app Settings screen.

About

Parlay Shield

This sports research tool aggregates pick signals, win probabilities, and market data into an organized board. It helps users quickly identify markets for further review with confidence indicators and filtering options. Features include reference parlays and a sportsbook selector for line verification.

Highlights
  • Organized research feed by market
  • Expected-value and win-probability indicators
  • Confidence indicator for market pricing
  • Sortable signals by value, probability, confidence, or time
  • Auto-built reference parlays
  • One-tap sportsbook selector
  • Built-in betting guide and glossary
Features
Read full description

Parlay Shield is a sports research and market-organization tool that brings pick signals, win-probability ranges, expected-value notes, and watch-only markets together in one fast, native board. The app organizes research-only signals by market and lets you sort and filter them so you can quickly see which markets may warrant additional review. A confidence indicator shows how many sharp reference books priced each market, and an optional sharp-only filter narrows the board to those. Features include: Research feed organized by market (moneyline, spread, total, player props) Expected-value and win-probability indicators on every signal Confidence indicator showing how many sharp reference books priced a market Sort by value, win probability, confidence, or start time Auto-built reference parlays across Safe, Balanced, Aggressive, and Lottery tiers One-tap sportsbook selector to open a book and verify the line yourself Built-in guide covering how to bet, how to read the board, and a glossary Pull-to-refresh for the latest research signals Parlay Shield does not guarantee outcomes. All information is for research and informational purposes only. Users are responsible for verifying all odds, lines, and availability, and for complying with local laws and sportsbook rules. Must be of legal age where applicable.

Screenshots

OliveOdds4 screens
Parlay Shield4 screens

Verdict

The call

The clearest difference is ads: Parlay Shield at none against OliveOdds's shown. Parlay Shield also leads on iOS requirement (15.1 vs 26.0). OliveOdds's advantage is update cadence (every 2 days vs every 4 weeks). On price, in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

OliveOdds ships an update every 2 days, Parlay Shield every 4 weeks. The most recent releases landed on October 28, 2026 and October 8, 2026 respectively.

Scorecard3 real differences · 6 level
OliveOdds versus Parlay Shield: the parameters behind the verdict, then further details
ParameterOliveOddsParlay Shield
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 2 days — betterEvery 4 weeks
AdsYesNo — better
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS26.015.1 — better
Further details — not scored
Size19 MB38 MB
Age rating17+17+
DeveloperEros Garcia PonteParlay Shield Inc

In-app purchases

None

OliveOdds

No in-app purchases

None

Parlay Shield

No in-app purchases

Questions

Is OliveOdds free?
OliveOdds is free to download, with no in-app purchases.
Is Parlay Shield free?
Parlay Shield is free to download, with no in-app purchases.
Do OliveOdds or Parlay Shield have ads?
OliveOdds shows ads; Parlay Shield does not.
Which is updated more often, OliveOdds or Parlay Shield?
OliveOdds ships an update every 2 days, and Parlay Shield every 4 weeks. Most recently, OliveOdds was updated on October 28, 2026 and Parlay Shield on October 8, 2026.

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